[W126 Coupe] Engine death rattle ?

[Camran Nassiri]

Jonathan- are you saying I need to replace my timing chain though I only have 58K on my 90 SEC?  I don't hear any noise and the car runs fine; however, based on your comments about the age of the plastic parts I am now concerned if I should replace my timing chain purely due to the 17 years of age.
 
Camran
90 560SEC, 91 420SEL


Date: Fri, 7 Sep 2007 12:04:27 -0400From: jhodgman at gmail.comTo: mbcoupes at mbcoupes.comSubject: Re: [W126 Coupe] Engine death rattle ?
I'd change it Now.  Even if the car had less then 100K, the age of the rails is now a major concern.  20 year old plastic that's been heat cycled countless times is not nearly as forgiving as it once was.Also, do NOT use aftermarket tensioners..I gave up on them about 2 years ago after I had a number of instances where the car would still slap w/ a fresh chain/rails and aftermarket tensioner.  Genuine tensioners are expensive but worth it.Were the car mine, I would not drive it until I had everything changed out.Don't forget your oil line clips either;-)Jonathan



> To: mbcoupes at mbcoupes.com> From: Richard_Hesek at raytheon.com> Date: Fri, 7 Sep 2007 08:36:04 -0400> Subject: [W126 Coupe] Engine death rattle ?> > I have been driving my 87 560 SEC about half time over the last 3 weeks.> 3 or 4 days per week instead of 7.> > The last 3 or 4 times I have started it, there is a light rapping which> lasts as long as it takes for the engine to start. Once it is running the> rap disappears.> This is not a tapping, ticking or rocker arm noise.> It is as though the oil has not reached all the parts it is supposed to> lube.> > The timing chain is original and has 100k miles on it. I assume the oil> pump chain is the same also.> Good power and normal fuel consumption.> > Any thoughts?> > Thanks,> > Rick Hesek> Northboro, MA> > The MB Coupes Website!> W126 SEC Mailing List> Postings remain property of MB Coupes, L.L.C.


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1996 S600 Euro "Scharnhorst"
1991 560 SEC Full Euro ECE (for sale)
1991 560 SEC 226Hp/271ft/lbs (TT conversion IP)
1988 300 TE
1989 560 SEC AMG (Mech.lifter/radical cam conv.)
1986 560 SEL 6.0L 32V AMG
1980 280 SE Euro
2006 Z4 3.0Si M-Spec

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