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  #1  
Old 08-06-1999, 01:04 PM
louis nielsen
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During a cold start the timing chain is noisy and then after 2-3 seconds quiets down. Is the tensioner controlled by oil pressure? Is replacement needed? Car has 83,000 miles. Religious 3000 mile oil changes with Redline synthetic. What is expected service life of timing chain? Thanks for response, Lou
  #2  
Old 08-06-1999, 08:21 PM
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Join Date: Mar 1999
Location: Tucker, Ga USA
Posts: 12,153
There are several items that could cause this type noise. Oil bleed off from the timing chain tensioner is serious. Don't wait! chain replacement can be costly.
  #3  
Old 08-06-1999, 10:44 PM
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Join Date: Mar 1999
Location: Suwanee, GA, USA
Posts: 4,712
If the chain jumps, the motor will have to come apart! Get it done now. There is an updated check valve that mey have to be installed in the oil filter housing as well.

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  #4  
Old 08-07-1999, 01:33 AM
Senior Member
 
Join Date: Apr 1999
Location: Walnut,CA,USA
Posts: 554
Remember 119 timing chain tensioner & guides has same design as 117,116 engine they
are plastic....I have seen 94 S500 under 100,000 miles the timing chain guide broken
cause chain to jump OUCH........$$$$$
if you have chance to remove valve covers
"check the timing chain guides"

------------------
MB STARS Master Guild Technician,12 years MB tech
5 years independent shop owner
  #5  
Old 08-07-1999, 11:05 PM
metricman
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and whle your valve covers are removed, have the technician check the plastic/rubber cam oilers for tightness. They fit under the camshaft towers, inexpensive and don't take long to put in... Use correct torque on these bolts also!

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