#2889220 - 03/18/15 01:47 PM
Coolant leak on newer 2005 intake manifold
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Rookie
Registered: 04/24/05
Posts: 61
Loc: Woodbridge, NJ
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Hi, I have a 2005 CV just 100k miles with coolant leaking under the thermostat housing
on the intake manifold. I had the same problem on my 98 lx .
I want to know if the Dorman intake is any good? It is much cheaper.
or can i fix the OE. seems like its leaking where the plastic meats the aluminium. has anyone had problems with these newer manifolds. I thoought they fixed this problem with this newer manifold.
Thanks everyone.
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1998 Crown Victoria LX all stock except for
P235-65 tires and black grill
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#2889243 - 03/18/15 04:26 PM
Re: Coolant leak on newer 2005 intake manifold
[Re: 98lx]
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Climber
Registered: 06/28/13
Posts: 868
Loc: Mississippi
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I would use the FRPP intake below for 239$. Some have not had good results with PI Dorman. I'm sure you have checked the thermostat gasket to rule it out along with upper radiator hose connection at housing. JMO http://www.adtr.net/store/index.php?route=product/product&path=59_70&product_id=158
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Its only my opinion and worthless cept to me!  1998 Crown Vic Lx. 103,000 miles, Dual Exhaust W/ H-Pipe, Magnaflow's and 2nd Cat Delete, FRPP PI Intake, P&P Plenum, Summit 70mm TB, MTZ, BOC 93 OCT Tune, 180 stat, 22c Plugs, ADTR High Flow intake tube, Autometer Z-Series Tach in Column Mount, 2" Hitch Receiver, Previous Owner Replaced Air Suspension with Coils. BH1976 Headlight Harness, Black P71 Honeycomb Grille. (On but not shown)
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#2889269 - 03/18/15 05:59 PM
Re: Coolant leak on newer 2005 intake manifold
[Re: 98lx]
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Climber
Registered: 02/04/13
Posts: 737
Loc: Taco Bell
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Yep stick with the Ford intake and skip the Dorman. While it will work you are better off with the Ford part in this case. Here is the same part on Amazon a bit cheaper too. http://www.amazon.com/Ford-Racing-M9424P...Ford+Racing+4.6
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#2889353 - 03/19/15 09:59 PM
Re: Coolant leak on newer 2005 intake manifold
[Re: 98lx]
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Member
Registered: 02/25/09
Posts: 135
Loc: Dayton,Ohio
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Im a Ford racing parts dealer here and just got a note from Ford saying the FRPP PI manifold (great item) is on Back order from FRPP for the near future. You might want to stock up while they are still available.
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#2889401 - 03/20/15 02:36 AM
Re: Coolant leak on newer 2005 intake manifold
[Re: 98lx]
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Rookie
Registered: 04/24/05
Posts: 61
Loc: Woodbridge, NJ
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Thanks guys for your replies, thats what I was thinking.
I know its not the hose or the o ring. Again much thanks.
_________________________
1998 Crown Victoria LX all stock except for
P235-65 tires and black grill
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#2889463 - 03/20/15 12:30 PM
Re: Coolant leak on newer 2005 intake manifold
[Re: Boss429]
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no replacement for displacement
Posting Addict
Registered: 09/04/03
Posts: 15710
Loc: Quebec Canada
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Im a Ford racing parts dealer here and just got a note from Ford saying the FRPP PI manifold (great item) is on Back order from FRPP for the near future. You might want to stock up while they are still available. oh really ! Knowing that their intake are crap and this is a very common problem they are gonna stop selling them .. great F-word great !
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 new best time 13.079 @ 105 1.8 60'
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#2889470 - 03/20/15 12:50 PM
Re: Coolant leak on newer 2005 intake manifold
[Re: 98lx]
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Poobah
Registered: 01/05/04
Posts: 9449
Loc: Winchester Mass
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The FRPP intake was just selling off Production stock. Now that the 4.6 is dead, the parts are drying up. Most of the time, you can fix the leak on the updated type Ford intake You can see on this picture the aluminum crossover corrodes and causes leaks against the plastic intake, note the white line between the plastic and aluminum  Read here https://www.crownvic.net/ubbthreads/ubbthreads.php?ubb=showflat&Number=2488212
Edited by Chevyguy (03/20/15 12:55 PM)
_________________________
2004 MarauderM79 155K miles Jmod!! Rockin Stock tune Daily, Muscle Merc tune for track 14.85 @95.63 2004 Crown Vic LX SOLD!! New Daily 2016 Dodge Charger R/T Road and track, purchase with 16K now 23K after 3 months. 5.7 Hemi, 8 speed ZF trans 3.06 open rear 13.98 @ 99.2 mph 4740 lbs with driver!! R.I.P Photobucket 10 years of hosting down the drain
Project car 74 Chevy Laguna type S-3, # match 400 SBCPrevious rides 93 P-71 2001 P-73, 94 TC Exec, 96 TC Signature, 04 LX
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#2889509 - 03/20/15 06:33 PM
Re: Coolant leak on newer 2005 intake manifold
[Re: 2004_p71]
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Member
Registered: 02/25/09
Posts: 135
Loc: Dayton,Ohio
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oh really ! Knowing that their intake are crap and this is a very common problem they are gonna stop selling them .. great F-word great ! [/quote]The Manifold was on a list of items that Ford sent me via E-mail that would be delayed or on National back-order due to to a parts shortage of items in the intake kit...Ford said the Intake would NOT be discontinued.
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#2889723 - 03/22/15 03:48 AM
Re: Coolant leak on newer 2005 intake manifold
[Re: 98lx]
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Rookie
Registered: 04/24/05
Posts: 61
Loc: Woodbridge, NJ
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That's what I think mine is doing. What do I need to fix the one I have? A gasket set? Thank you for mentioning that!
_________________________
1998 Crown Victoria LX all stock except for
P235-65 tires and black grill
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#2889737 - 03/22/15 10:11 AM
Re: Coolant leak on newer 2005 intake manifold
[Re: 98lx]
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I know nothing
Posting Addict
Registered: 06/05/10
Posts: 19868
Loc: I can see Detroit from here!
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That's what I think mine is doing. What do I need to fix the one I have? A gasket set? Thank you for mentioning that! A new intake. Once the plastic supporting the seals gives up like in Pier's pictures, the intake is as good as dead. I had a Dorman fail in the same way on my Townie last summer.
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-Steve  2006 Audi A6 ~132k miles, stock. 1998 Mercury Grand Marquis LS HPP ~100k miles, slowly acquiring modifications. 1997 Town Car Cartier ~145k miles, Ported Plenum, Gutted Airbox, Contour E-fan Retrofit, Dual exhaust with Magnaflows, cats deleted, MSD Ignition, KYB Gas-A-Justs, P71 front bar, air ride reinstated, Projector retrofit, Caddy 4-note horn retrofit, Wood rim steering wheel retrofit, holistic weight reduction as the parts fall off.. 1996 Mercury Grand Marquis GS 117,485mi. R.I.P. 7/14/12 
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#2889797 - 03/22/15 06:34 PM
Re: Coolant leak on newer 2005 intake manifold
[Re: 98lx]
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Climber
Registered: 06/28/13
Posts: 868
Loc: Mississippi
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Whats sad is how many times they have redesigned the intake and still has problems. Sure seems like a opportunity for some aftermarket company to get it right and make some money in the process. argh
_________________________
Its only my opinion and worthless cept to me! 1998 Crown Vic Lx. 103,000 miles, Dual Exhaust W/ H-Pipe, Magnaflow's and 2nd Cat Delete, FRPP PI Intake, P&P Plenum, Summit 70mm TB, MTZ, BOC 93 OCT Tune, 180 stat, 22c Plugs, ADTR High Flow intake tube, Autometer Z-Series Tach in Column Mount, 2" Hitch Receiver, Previous Owner Replaced Air Suspension with Coils. BH1976 Headlight Harness, Black P71 Honeycomb Grille. (On but not shown)
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#2889836 - 03/22/15 11:27 PM
Re: Coolant leak on newer 2005 intake manifold
[Re: bluviclx98]
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Member
Registered: 07/05/13
Posts: 296
Loc: New Mexico, USA
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Whats sad is how many times they have redesigned the intake and still has problems. Sure seems like a opportunity for some aftermarket company to get it right and make some money in the process. argh True. Mine was leaking a little when I got the car. Separated the water crossover from the manifold and repaired the plastic with Acraglas. Used a new manifold gasket to seal against the engine, and an old style flat gasket to seal the crossover to the repaired plastic part. After 6 months and several thousand miles, no leaks. Will see how long it lasts.
_________________________
2004 Crown Victoria Sport LX
Factory Rear Air Ride/HD KYB Shocks
JMod, 3L27, MagnaFlow mufflers
04 CVPI Air Box/Zip Tube, 70 mm Truck TB, AED SC @ 6PSI
140,000 miles
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#2889855 - 03/23/15 02:41 AM
Re: Coolant leak on newer 2005 intake manifold
[Re: 98lx]
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Over the Hill
Registered: 01/01/13
Posts: 2067
Loc: Dallas County, TX
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When I got my 98' I was looking around and seeing how I could replace my intake with the newer style one. After a week of looking after I got the car I realized that the previous owner had already swapped out the intake. It never gave me any issues either, not even when I traded it off.
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 2005 P71 146,XXX SOLD 03-10-2020 2018 Chevrolet Traverse 33,XXX X-Panthers 1997 P71 161K 1998 P71 113K Because CVN is the land of $600 cars.
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