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  #1  
Old 09-16-2000, 09:08 PM
MoTheMerc
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Another slight puzzler to me, as my '87 190E is my first car to be fitted with PAS, is that on full lock, I get a judder/vibration feeling at the steering wheel, and a sometimes quite loud noise which is hard to describe - but the car's clearly letting me know it doesn't like it! My Haynes manual says full lock strains the PAS system, but doesn't mention this noise or shudders - is it normal or do I need to get worried about it (car's been like it since I bought it over a year ago)

Appreciate your help!
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  #2  
Old 09-16-2000, 10:40 PM
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Join Date: Apr 1999
Location: Walnut,CA,USA
Posts: 554
You may need a new belt tensioner,steering at full lock is under load,loose belt will cause noise and vebration.

------------------
MB STARS Master Guild Technician,12 years MB tech
6 years independent shop owner
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  #3  
Old 09-16-2000, 10:51 PM
MoTheMerc
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Thanks for that info MB STARS, it certainly sounds like that could be the cause, though the belt seems pretty tight to me; I'll try it on full lock and see if the belt slips.
Cheers!
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  #4  
Old 09-17-2000, 07:24 AM
phil green
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quote:
Originally posted by MoTheMerc:
Another slight puzzler to me, as my '87 190E is my first car to be fitted with PAS, is that on full lock, I get a judder/vibration feeling at the steering wheel, and a sometimes quite loud noise which is hard to describe - but the car's clearly letting me know it doesn't like it! My Haynes manual says full lock strains the PAS system, but doesn't mention this noise or shudders - is it normal or do I need to get worried about it (car's been like it since I bought it over a year ago)

Appreciate your help!

reguarding your judder when on full lock,I have found that this is sometimes caused by the linkage at the end of the steering rack touching the exhaust downpipe.this is especially likely if a non merc downpipe has been fitted.you can attempt to reposition the downpipe to stop the problem. hope this helps. phil

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