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#4074876 - 08/20/20 11:16 AM Antifreeze
ford05 Offline
Poobah

Registered: 07/24/08
Posts: 5836
Loc: New Jersey
2005 crown vic sport

So I been flushing out the coolant system for a few weeks now. I drain via radiator drain plug and refill with distilled water. I did this like 10 times. That flush was pure clear water. Car was actually running so well temp wise with just water. I had 2 gallons of prestone green concentrate antifreeze/coolant laying around in garage so I figure I use that. So I went ahead and drained the radiator via plug and then filled up with the prestone green concentrate antifreeze/coolant. Took roughly in between 1.5-2 gallons to fill which gets me close to a 50/50 mix. So after letting car run with reservoir cap off and heat on high for a good 10-15, replaced cap and let car cool down for a few hours. Then went back to top off with antifreeze. Drove the car for a few days and I started noticing that my temp was going over 200F. At one point it actually hit 216F. I did not like this at all. So I kept driving this way for a few more days thinking that maybe it just need to mix. No changes at all. Temp was climbing above 200F. Checked the reservoir and it was in range.

Being that I then realized that the best coolant for my 05 is g-05 I went ahead and gave my system another flush. Once again I drained the system like 8 times via radiator drain plug and then filled with distilled water. So, I am now running close to distilled water. 2 more drains will give me that clean clear water. Car is running way better now temp wise. It has not exceeded 198F.

So can someone here explain whats happening? Once I do the last 2 fill with distilled water, then I will be adding the g-05 pure antifreeze and try to get my 50/50 mix or atleast close.
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#4074878 - 08/20/20 11:38 AM Re: Antifreeze [Re: ford05]
Davidzq Offline
Member

Registered: 01/19/15
Posts: 275
Loc: Seattle, WA
How old was that green coolant? It has a shelf life, which is why you need to do coolant flushes every once in awhile (and to remove any contaminants).
You can use any color you want, actually. They all work. Ford changed colors many times over the years of production. Just note that some last longer than others, and mixing colors is bad.

I would recommend replacing the tstat, stock is 195°. Colder will get you a little more HP, but at the cost of some MPG.

When was it overheating? If it was mostly at idle, I would suspect the cooling fan (or it's module) is failing, which is a common issue. But a worn water pump, failing temp sensor (tells PCM to turn fan on), debris on radiator, or clogged/collapsed hoses could also cause this.

Also there's no need to run the heater during the flush, these cars do not have a valve on the heater core, coolant flows through at all times.
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David Hensley
Member of Northwest Panthers Car Club

2007 P71, Norsea Blue SAP
-Jmod
-Message Center cluster retrofit
-All interior lighting converted to blue
-Lincoln towncar seats, heated and power passenger
-Self installed Compustar remote start/security
-Full dynamat install
-Full interior swap from tan to charcoal
-Trailer hitch/light controller/AirLift assist bags
-Headlight relay mod

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#4074884 - 08/20/20 12:04 PM Re: Antifreeze [Re: ford05]
ford05 Offline
Poobah

Registered: 07/24/08
Posts: 5836
Loc: New Jersey
I should had been more specific. I have 180 stat in there already with new OEM water pump and edelbrock victor JR manifold, long tube headers colder plugs, 24lb injectors, ADTR intake tube with marauder maf sensor, MHS heads with stage 2 cams and a few other goodies. I understand that some of these goodies make more heat like the actually intake it self but with everything else pretty much brand new, I shouldn't be having this problem. Now, lets remember that when running just on distilled water, car was running great temp wise. This started happening after the 2 gallons of antifreeze was put in. The gallons were actually purchased less then a year ago. So I believe date wasn't the issue.
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#4075000 - 08/21/20 09:53 AM Re: Antifreeze [Re: ford05]
ford05 Offline
Poobah

Registered: 07/24/08
Posts: 5836
Loc: New Jersey
Ok so im starting to notice something here. So when driving down road, temp stays at its reading or it goes down. When at a stop light or idleing, temp would start to go up slowly but it goes up. Once i start moving, it starts dropping.

So is this a fan issue? Fan is working . I see fan turn on at 192 degrees. Also it turns on when AC is on. Im just not able to tell if it turns on on full speed or what. Hard to tell and listen when car exhaust is so loud. How to test fan?


Edited by ford05 (08/21/20 10:38 AM)
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#4075008 - 08/21/20 11:25 AM Re: Antifreeze [Re: ford05]
Davidzq Offline
Member

Registered: 01/19/15
Posts: 275
Loc: Seattle, WA
idle only does make it sound like a fan issue, but your description makes it sound like fan is functioning properly.
The fan is speed controlled by the PCM.
You can test the fan by jumping power and ground directly to it (the fan itself, not the fan module). Also check the blades for damage.
_________________________
David Hensley
Member of Northwest Panthers Car Club

2007 P71, Norsea Blue SAP
-Jmod
-Message Center cluster retrofit
-All interior lighting converted to blue
-Lincoln towncar seats, heated and power passenger
-Self installed Compustar remote start/security
-Full dynamat install
-Full interior swap from tan to charcoal
-Trailer hitch/light controller/AirLift assist bags
-Headlight relay mod

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#4075020 - 08/21/20 11:52 AM Re: Antifreeze [Re: Davidzq]
ford05 Offline
Poobah

Registered: 07/24/08
Posts: 5836
Loc: New Jersey
Originally Posted By Davidzq
idle only does make it sound like a fan issue, but your description makes it sound like fan is functioning properly.
The fan is speed controlled by the PCM.
You can test the fan by jumping power and ground directly to it (the fan itself, not the fan module). Also check the blades for damage.


So jumping power and ground from fan would tell me what exactly?

because I do know for a fact that fan is coming on. Question is is it coming on with the right speed?
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#4075026 - 08/21/20 12:26 PM Re: Antifreeze [Re: ford05]
gDMJoe Offline


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Registered: 06/03/03
Posts: 7705
Loc: Timbuk3, MI
*HEADS-UP* Running with just water and no antifreeze is not a good thing.

Reasons: Antifreeze ...
  • raises the boiling point.
  • contains corrosion inhibitors.
  • lubricates the water pump.
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#4075030 - 08/21/20 01:20 PM Re: Antifreeze [Re: gDMJoe]
ford05 Offline
Poobah

Registered: 07/24/08
Posts: 5836
Loc: New Jersey
Originally Posted By gDMJoe
*HEADS-UP* Running with just water and no antifreeze is not a good thing.

Reasons: Antifreeze ...
  • raises the boiling point.
  • contains corrosion inhibitors.
  • lubricates the water pump.





Im just trying to flush out old coolant to add new.

So with car idleing, at 192 degree the fan is blowing. I turn on the ac and i can actually feel and hear a difference in speed so this is telling me that the fan is working fine. I guess that at 192F the fan turns on at its lowest setting which is normal?



Edited by ford05 (08/21/20 01:23 PM)
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#4075034 - 08/21/20 02:15 PM Re: Antifreeze [Re: ford05]
hot__box Offline

Over the Hill

Registered: 09/22/15
Posts: 1703
Loc: Bayou State
Originally Posted By ford05
Ok so im starting to notice something here. So when driving down road, temp stays at its reading or it goes down. When at a stop light or idleing, temp would start to go up slowly but it goes up. Once i start moving, it starts dropping.

So is this a fan issue? Fan is working . I see fan turn on at 192 degrees. Also it turns on when AC is on. Im just not able to tell if it turns on on full speed or what. Hard to tell and listen when car exhaust is so loud. How to test fan?


Totally different vehicle but on my 13 Silverado I had a similar issue. Basically, when driving around there were no temp issues. But if I stopped at a red light or let the truck idle for an extended period of time, the temperature would begin to creep up to about 3/4 on the temp gauge until the (secondary) fan kicked on and brought the temp back to normal. If I started moving it would immediately go back down to normal.

GM trucks use an electric fan system I think it's two fans, a main and and auxiliary. As it turns out, the computer readings have to reach a specific temperature, [[[don't remember what it was, but someone on the Silverado forums did tell me the number, I feel like it was well over 200F but don't quote that]]] which is pretty hot before the aux fan kicks on, meaning the temp gauge can rise up quite high before the computer deems it hot enough to turn the extra fan on. This had a lot to do with the ambient temperature outside -- I only had these problems in the spring, when it was hot enough to warrant both fans, but just not quite hot enough to need both of them when the vehicle first started idling. In the summer I never have that issue, because it's always so hot both fans are constantly working.

I know it's a whole different vehicle manufacturer, and a completely different cooling system design .. but the symptomatic problem is exactly the same from what I've experienced.. so maybe this bit of information can help you perhaps.



Also, like gdm said, you may just be trying to flush the system but the water boils faster than antifreeze. Perhaps once you refill with antifreeze the issue will resolve itself?
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#4075046 - 08/21/20 03:44 PM Re: Antifreeze [Re: ford05]
Old_Guy_Stu Offline

Over the Hill

Registered: 04/28/19
Posts: 1602
Loc: Cleveland, OH
I think you've got a couple different issues.

Creeping temp at idle is pretty normal. The cooling system is sized so that it works optimally with the car in motion. Possibly with your mods you could benefit from a police radiator (I'm assuming they're bigger than the civi model because police cars idle all day).

Straight water conducts heat better than antifreeze mix, so the temp will be higher with antifreeze. You can add Water Wetter to the mix, which reduces its surface tension to improve heat transfer.
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#4075056 - 08/21/20 05:52 PM Re: Antifreeze [Re: ford05]
RF_Overlord Offline

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Registered: 12/14/02
Posts: 7253
Loc: MA
^^^what Old Guy Stu said^^^

However:

I would assume the radiator, water pump flow rate. thermostat selection, etc. should be sized assuming a 50/50 mix and shouldn't be right on the edge of overheating, unless you're in Death Valley this summer (hottest place on Earth - 128°).

ford05, what are you using to measure the temp?
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#4075068 - 08/21/20 06:52 PM Re: Antifreeze [Re: ford05]
ford05 Offline
Poobah

Registered: 07/24/08
Posts: 5836
Loc: New Jersey
I am using my sctx4
Right now i am running pure distilled water as i was flushing out the green coolant. I am ready to add the g05 antifreeze to try and acheive the 50/50 mix.

Ive read that running pure water helps reduce heat better but that doesnt seem to be working for me.
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#4075076 - 08/21/20 07:30 PM Re: Antifreeze [Re: ford05]
Davidzq Offline
Member

Registered: 01/19/15
Posts: 275
Loc: Seattle, WA
Originally Posted By ford05
Originally Posted By Davidzq
idle only does make it sound like a fan issue, but your description makes it sound like fan is functioning properly.
The fan is speed controlled by the PCM.
You can test the fan by jumping power and ground directly to it (the fan itself, not the fan module). Also check the blades for damage.


So jumping power and ground from fan would tell me what exactly?

because I do know for a fact that fan is coming on. Question is is it coming on with the right speed?


That the fan itself functions properly. With straight 12v, the fan should be running at high speed. If it's running a little slow, it would mean you have a weak fan motor.
I don't think it's likely, but its another thing that can be ruled out.
_________________________
David Hensley
Member of Northwest Panthers Car Club

2007 P71, Norsea Blue SAP
-Jmod
-Message Center cluster retrofit
-All interior lighting converted to blue
-Lincoln towncar seats, heated and power passenger
-Self installed Compustar remote start/security
-Full dynamat install
-Full interior swap from tan to charcoal
-Trailer hitch/light controller/AirLift assist bags
-Headlight relay mod

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#4075082 - 08/21/20 07:46 PM Re: Antifreeze [Re: ford05]
2007CrownVic Offline
Over the Hill

Registered: 11/19/11
Posts: 3036
Loc: Canada
Originally Posted By ford05
I am using my sctx4
Right now i am running pure distilled water as i was flushing out the green coolant. I am ready to add the g05 antifreeze to try and acheive the 50/50 mix.

Ive read that running pure water helps reduce heat better but that doesnt seem to be working for me.


Using antifreeze cools better then straight water. Not having the right mix is probably what's causing your noticeable temperature rise at idle.

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#4075154 - 08/22/20 10:52 AM Re: Antifreeze [Re: 2007CrownVic]
124neta Offline
don't get riled, sugar!
Poobah

Registered: 04/03/09
Posts: 6099
Loc: Il
Originally Posted By 2007CrownVic

Using antifreeze cools better then straight water. Not having the right mix is probably what's causing your noticeable temperature rise at idle.


Antifreeze reduces boiling point, it doesn't "improve" cooling aspects of the fluid in the system on any other level. As pointed out by someone else already in the thread, water alone transfers heat better.

That said, I think most people are getting blinded by this coincidence of cooling flush.

I think the car has been doing this for some time, you just noticed now because you are monitoring temps.

I also think that the easiest and most probable point of failure here is the thermostat.
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#4075156 - 08/22/20 11:00 AM Re: Antifreeze [Re: Old_Guy_Stu]
124neta Offline
don't get riled, sugar!
Poobah

Registered: 04/03/09
Posts: 6099
Loc: Il
Originally Posted By Old_Guy_Stu
Possibly with your mods you could benefit from a police radiator (I'm assuming they're bigger than the civi model because police cars idle all day).


I don't believe there is any difference in radiators. They sure look the same to me. The police do have the added benefit of engine oil cooler, but that heat ultimately needs to be removed through coolant.

Panthers, especially with added oil cooler, I think are more than capable of having one point of failure(like a t-stat not opening properly)while and having the overheating fly under the radar(no temp warnings).
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#4075162 - 08/22/20 12:15 PM Re: Antifreeze [Re: ford05]
2011LX Offline
Over the Hill

Registered: 08/31/13
Posts: 1330
Loc: Oak Creek, WI
All modern vehicle's cooling capacities are well into overkill territory. Aluminum/plastic radiators and electric cooling fans are miles better than the old vehicles 2-3 core brass/copper radiators and clutch fans with half assed shrouds. Not to mention how efficient modern AC systems are, the condenser not having as much of an impact on radiator capacity

Nowadays, if you're overheating, you have a real problem. Not poor capacity

No police specific radiator.

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#4075202 - 08/22/20 09:29 PM Re: Antifreeze [Re: 124neta]
2007CrownVic Offline
Over the Hill

Registered: 11/19/11
Posts: 3036
Loc: Canada
Originally Posted By 124neta
Originally Posted By 2007CrownVic

Using antifreeze cools better then straight water. Not having the right mix is probably what's causing your noticeable temperature rise at idle.


Antifreeze reduces boiling point, it doesn't "improve" cooling aspects of the fluid in the system on any other level. As pointed out by someone else already in the thread, water alone transfers heat better.

That said, I think most people are getting blinded by this coincidence of cooling flush.

I think the car has been doing this for some time, you just noticed now because you are monitoring temps.

I also think that the easiest and most probable point of failure here is the thermostat.


Antifreeze raises boiling point it doesn't lower it.

If this problem has been going on for a while then yeah it's something to worry about. If not then get the mix back to where it's supposed to be and then figure out what's wrong if the problem is still there.

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#4075212 - 08/22/20 10:46 PM Re: Antifreeze [Re: ford05]
gDMJoe Offline


Poobah

Registered: 06/03/03
Posts: 7705
Loc: Timbuk3, MI
Quote:
ford05 - Im just trying to flush out old coolant to add new. ...

Misunderstood ... What was meant by running, was routine driving.

I did read that you were using water to flush the system, however, somewhere in your posts I thought you were also driving around without adding antifreeze.

Never mind. And carry-on .....
.

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#4075254 - 08/23/20 01:41 PM Re: Antifreeze [Re: gDMJoe]
ford05 Offline
Poobah

Registered: 07/24/08
Posts: 5836
Loc: New Jersey
Originally Posted By gDMJoe
Quote:
ford05 - Im just trying to flush out old coolant to add new. ...

Misunderstood ... What was meant by running, was routine driving.

I did read that you were using water to flush the system, however, somewhere in your posts I thought you were also driving around without adding antifreeze.

Never mind. And carry-on .....
.


Joe you were right all along.
I was driving around town to get that water and antifreeze to mix well. I want to make sure that I get all the green out.

As of right now, I am replacing the thermostat, adding the g05 pure antifreeze and also replacing the OEM water pump just in case. I have a new stewart high flow water pump stored which I never got around to install.

If after this im still having issues then I will have to look else where. So right now I have removed thermostat and water pump. I believe this leaves me with 2-2.6 gallons of distilled water in block correct?
So I'll put 100% antifreeze there thermostat housing and another gallon through reservoir?
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#4075256 - 08/23/20 01:48 PM Re: Antifreeze [Re: ford05]
ford05 Offline
Poobah

Registered: 07/24/08
Posts: 5836
Loc: New Jersey
I would like to point out that my oem water pump which has less then 4k miles on it smells like burnt toast. Its very well intact meaning there is no wiggle no where but it smells like burnt and also spins very freely with out any resistance.

don't know if this is normal or not?
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#4075258 - 08/23/20 02:44 PM Re: Antifreeze [Re: ford05]
RF_Overlord Offline

Poobah

Registered: 12/14/02
Posts: 7253
Loc: MA
ford05, not sure if you're aware of the proper refill procedure (per the factory service manual):

Remove thermostat, reservoir cap, and the heater return hose from the nipple on the back passenger side of the intake manifold.

Fill with 50/50 coolant mix through the thermostat opening until coolant starts to flow out of the heater hose nipple.

Reconnect/reinstall everything but the reservoir cap, fill the reservoir to the MAX (or HOT) line and run the engine until the level in the reservoir drops.

Replace the cap and allow the engine to cool.

Add more coolant as necessary to restore the reservoir level to the COLD line.

Done.
_________________________
'03 Mercury Marauder (The Blackbird)
Trilogy Motorsports supercharged #61
Too many mods to list / Driveway Queen

'04 Grand Marquis LS Limited Edition (Spruce Green)
Daily Driver (Thanks, Adam!)

'00 Grand Marquis GS (Silver)
Rotted frame and broken transmission crossmember
Being resurrected...slowly.

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#4075260 - 08/23/20 02:52 PM Re: Antifreeze [Re: ford05]
Rootintootin Offline
Climber

Registered: 02/26/08
Posts: 585
Loc: North Carolina
There's something to be said about doing one thing at a time when you are trying to fix a problem. Doing 2,3,or even more things can give you the right results, but won't mean much in tracking down the culprit.

Prestone green isn't the same as Ford green. When I first got my car, I didn't know any better and went with the Prestone. At one time I did all the distiled water flushing in an attempt to go back to the Ford green. After 20 gallons and still not clear, I gave up and just stayed with the Prestone. That's what I still use. After a couple or 3 years, it will have an orangeish or light brown color. Keeps me honest on cooling system maintenance.

My bet is you'll fix the problem with a new thermostat. Last year, mine started getting erratic according to the temp gauge. Sometimes low, sometimes normal. Slow to warm up. I have a 5 mile drive to and from work, and it would barely get to operating temperature before I got done. I never looked at the numbers until after I replaced it with a new Motorcraft piece. Now it is at the middle of the gauge within about 2 miles. It will hover around that +/- a couple degrees. I don't know if it had ever been replaced before I got the car, so it could have been anywhere from 15 to 23 years old.
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#4075262 - 08/23/20 03:03 PM Re: Antifreeze [Re: RF_Overlord]
ford05 Offline
Poobah

Registered: 07/24/08
Posts: 5836
Loc: New Jersey
Originally Posted By RF_Overlord
ford05, not sure if you're aware of the proper refill procedure (per the factory service manual):

Remove thermostat, reservoir cap, and the heater return hose from the nipple on the back passenger side of the intake manifold.

Fill with 50/50 coolant mix through the thermostat opening until coolant starts to flow out of the heater hose nipple.

Reconnect/reinstall everything but the reservoir cap, fill the reservoir to the MAX (or HOT) line and run the engine until the level in the reservoir drops.

Replace the cap and allow the engine to cool.

Add more coolant as necessary to restore the reservoir level to the COLD line.

Done.


So instead of using 100% antifreeze, I should use 50/50?
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#4075264 - 08/23/20 03:06 PM Re: Antifreeze [Re: Rootintootin]
ford05 Offline
Poobah

Registered: 07/24/08
Posts: 5836
Loc: New Jersey
Originally Posted By Rootintootin
There's something to be said about doing one thing at a time when you are trying to fix a problem. Doing 2,3,or even more things can give you the right results, but won't mean much in tracking down the culprit.

Prestone green isn't the same as Ford green. When I first got my car, I didn't know any better and went with the Prestone. At one time I did all the distiled water flushing in an attempt to go back to the Ford green. After 20 gallons and still not clear, I gave up and just stayed with the Prestone. That's what I still use. After a couple or 3 years, it will have an orangeish or light brown color. Keeps me honest on cooling system maintenance.

My bet is you'll fix the problem with a new thermostat. Last year, mine started getting erratic according to the temp gauge. Sometimes low, sometimes normal. Slow to warm up. I have a 5 mile drive to and from work, and it would barely get to operating temperature before I got done. I never looked at the numbers until after I replaced it with a new Motorcraft piece. Now it is at the middle of the gauge within about 2 miles. It will hover around that +/- a couple degrees. I don't know if it had ever been replaced before I got the car, so it could have been anywhere from 15 to 23 years old.


I have all these parts laying around. I honestly don't want to go ahead and replace one part and then have to do another. I normally don't go out and start buying parts like crazy. I have these stored away so I will go ahead and swap them. I even have a spare working fan.

You might be right though, this issue might just be the thermostat. I have a feeling it is.
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#4075266 - 08/23/20 03:17 PM Re: Antifreeze [Re: ford05]
Rootintootin Offline
Climber

Registered: 02/26/08
Posts: 585
Loc: North Carolina
I know how that works. I've had a new Motorcraft water pump for about 4-5 years now, from when I thought it might be leaking. I even got a NOS oil cooler, mostly because it has a new set of the old style hoses mine uses. I think if I could find a new set of silicon hoses, I'd replace everything. But maybe not, I'm getting to where I don't enjoy this as much as I used to. Everything is just stashed under my bed.
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97 CVPI(Ex. Tampa PD #715), 140K miles, performance Torque converter, J-modded valve body. Monroe Gas Magnum Severe Duty shocks, Ported Plenum and 70mm FRPP Throttle body

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#4075368 - 08/24/20 03:02 PM Re: Antifreeze [Re: ford05]
gDMJoe Offline


Poobah

Registered: 06/03/03
Posts: 7705
Loc: Timbuk3, MI
Quote:
ford05 ...So instead of using 100% antifreeze, I should use 50/50?

For where you live ... ALWAYS 50/50.

And NEVER 100% antifreeze.
.
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#4075376 - 08/24/20 04:12 PM Re: Antifreeze [Re: gDMJoe]
ford05 Offline
Poobah

Registered: 07/24/08
Posts: 5836
Loc: New Jersey
Originally Posted By gDMJoe
Quote:
ford05 ...So instead of using 100% antifreeze, I should use 50/50?

For where you live ... ALWAYS 50/50.

And NEVER 100% antifreeze.
.


But wouldnt the 100% antifreeze mix with the water thats left in the block making it a close 50/50 mix?
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#4075378 - 08/24/20 05:42 PM Re: Antifreeze [Re: ford05]
Rootintootin Offline
Climber

Registered: 02/26/08
Posts: 585
Loc: North Carolina
I'd say it would be somewhere between 0 and 100%. Could be about 50%.

I don't think the block holds 2 1/2 gallons. When I do mine, I usually manage to drain about 10 Qts. out of the system. I think I read somewhere that there is 14 Qts. total. That only leaves 1 gallon in the block and other parts away from the radiator. Refer to your Owner's Manual.

I quit wasting my time trying to get it down to just pure water. Wastes too much time and water. I might give it an additional distilled water fill and drain, depending on how the old stuff looks.

I buy 2 gallons of straight antifreeze and 2 gallons of distilled water for refilling. Mix at a 1:1 ratio for 50%. That, with whatever watery stuff is in the block, is close enough for the local climate. And leaves enough to last until the next change for topping off, if necessary. Or I might get a wild hair and decide to go ahead and do another complete drain and refill, off schedule. Just so I don't have the stuff sitting around for 2-3 years.
_________________________
97 CVPI(Ex. Tampa PD #715), 140K miles, performance Torque converter, J-modded valve body. Monroe Gas Magnum Severe Duty shocks, Ported Plenum and 70mm FRPP Throttle body

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#4075382 - 08/24/20 05:54 PM Re: Antifreeze [Re: ford05]
gDMJoe Offline


Poobah

Registered: 06/03/03
Posts: 7705
Loc: Timbuk3, MI
Quote:
ford05 - But wouldnt the 100% antifreeze mix with the water thats left in the block making it a close 50/50 mix?

The end mix needs to be 50/50. How you get to that point macht nichts.

Just never run 100% antifreeze.
.

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#4075526 - 08/25/20 09:37 PM Re: Antifreeze [Re: ford05]
ford05 Offline
Poobah

Registered: 07/24/08
Posts: 5836
Loc: New Jersey
Ok so this is where i stand........

Replaced water pump, replaced thermostat, replaced reservior cap(just in case). Filled through thermostat houseing with 50/50 till fill. Put everything back together. Finished filling through reservoir. Turned on car, heater on and let car idle for about 10-15 mins till fan came on and everything starting mixing. Put cap back on. Let car seat over night. Topped off via reservior put cap back on and went to work in car 20 min drive. Temp gauge stayed at 192f. Not bad at all. Before all this work it would climb to 196-198f .

Drove back home 3pm, 95 degrees. Temp was pretty good. 192-200 with ac full blast. I even let the car idle for 15 mins and it never went over 200f. I then shut ac off and let car idle for 10 mins. Temp went down to 92-94f and stayed there.

I beleive i have taken care of my issue. I will keep driving it around for the next few hot sunny days. Lets see how she does.
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#4075548 - 08/25/20 11:24 PM Re: Antifreeze [Re: ford05]
RF_Overlord Offline

Poobah

Registered: 12/14/02
Posts: 7253
Loc: MA
Sounds like you've fixed it. beer1
_________________________
'03 Mercury Marauder (The Blackbird)
Trilogy Motorsports supercharged #61
Too many mods to list / Driveway Queen

'04 Grand Marquis LS Limited Edition (Spruce Green)
Daily Driver (Thanks, Adam!)

'00 Grand Marquis GS (Silver)
Rotted frame and broken transmission crossmember
Being resurrected...slowly.

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