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#3615738 - 04/20/17 08:05 PM It's timing chain guide time!
Marauder2004 Offline
n00b

Registered: 04/01/06
Posts: 46
Loc: VA
I thought I'd share a recent oil report from one of my work beater cars, an '04 Grand Marquis. This is the second '04 GM I've put through highway service for my job. The first is still going strong at 249k. This one now has 243k. Both have had oil changes at roughly 15k mile intervals since I started using them with around 50k on the odometer. Both will amazingly still run up to 15k without having to add oil. The last three reports have indicated elevated AL levels.
I guess I'll pull the old mule into the garage and start tearing the front off to get to those guides.


Attachments
04142017.jpeg


_________________________
04 MM Silver Birch/Light Flint, HS, TO, 6CD
04 MGM LS Black/Dark Charcoal
06 MGM LS Ultimate w/ HPP, Black/Dark Charcoal
69 Marquis convertible, 429
48 Ford F4


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#3615778 - 04/20/17 08:45 PM Re: It's timing chain guide time! [Re: Marauder2004]
bigROC209 Offline
Over the Hill

Registered: 04/11/12
Posts: 2139
Loc: Stockton, CA
What kind of oil/filter are you using to go 15K between oil changes?
_________________________
2002 Marquis LS Precision Trac, new engine @ 125K, GT Wheels, HP tires, SCT Xcal 2, 91 Octane tune from BOC, Traction Locker w/Ford Racing clutches, 3.55's, Police D/S, Ford Racing IM @114K, 75mm TB, Trick Flow Plenum, Ziptube, GT MAF, P71 Rear Coils, Summit Racing UDP's, HPP Sway Bar, Gas KYB's, J-Mod, 2-1/4" Dual Exhaust, Thrush Glasspacks & 18" tips, MSD COPs, NGK TR55's & Grey Injectors, Pinstripe removed, Disc changer, Koiler amp, Kicker Comp CVR 10" subs.

Bottle in the trunk coming soon!


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#3616130 - 04/21/17 02:27 AM Re: It's timing chain guide time! [Re: Marauder2004]
a_d_a_m Offline

3 Orange Whips
Posting Addict

Registered: 10/25/05
Posts: 21885
Loc: Cleveland, OH
I'd like to see how those guides look at 243k if you'd be so kind as to post pictures.
_________________________
Originally Posted By iamtheshaner
Please CVN, shower me with bona fide intellectualism!

'03 Marauder | '04 Grand Marquis LS Limited | '07 P71 with a 5-speed

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#3617122 - 04/21/17 08:45 PM Re: It's timing chain guide time! [Re: a_d_a_m]
Marauder2004 Offline
n00b

Registered: 04/01/06
Posts: 46
Loc: VA
Originally Posted By bigROC209
What kind of oil/filter are you using to go 15K between oil changes?


I have only used Castrol Edge (gold bottle) 5W30 in both cars. The filter brand varies with what's on sale. Usually I use the OEM 820S, but sometimes I find the higher end Purolater, Bosch or Wix on sale. I realize the OEM filters are not intended for a 15k interval, but 80% or more of my driving is at 70+mph steady running.

Originally Posted By a_d_a_m
I'd like to see how those guides look at 243k if you'd be so kind as to post pictures.


I dug into it today and here's what I found. I discovered the source of the AL content, but it wasn't as bad as I had expected after running for several tens of thousands of miles after the AL levels started to increase. The plastic was worn through on the right side, but not (yet) on the left.
I replaced the guides, the other plastic piece, and the tensioners. Not too bad of a job but I'd rather replace an intake than do this again- which is what I'll be doing tomorrow. I have been noticing a bit of moisture at the metal/plastic interface below the thermostat housing. I replaced the intake on the other high mileage Merc two months ago.


Attachments
20170421_160801.jpg

20170421_163127.jpg

20170421_154200.jpg




Edited by Marauder2004 (04/21/17 08:48 PM)
_________________________
04 MM Silver Birch/Light Flint, HS, TO, 6CD
04 MGM LS Black/Dark Charcoal
06 MGM LS Ultimate w/ HPP, Black/Dark Charcoal
69 Marquis convertible, 429
48 Ford F4


Top
#3617258 - 04/21/17 11:39 PM Re: It's timing chain guide time! [Re: Marauder2004]
a_d_a_m Offline

3 Orange Whips
Posting Addict

Registered: 10/25/05
Posts: 21885
Loc: Cleveland, OH
Those don't look bad for 200+k on them.
My '02 Marquis was chewed all the way through at 100k (hence the need for the TSB from 2000-03).
_________________________
Originally Posted By iamtheshaner
Please CVN, shower me with bona fide intellectualism!

'03 Marauder | '04 Grand Marquis LS Limited | '07 P71 with a 5-speed

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