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Old 08-06-2002, 12:54 PM
sbourg sbourg is offline
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Join Date: Jul 2001
Location: SoCal
Posts: 1,303
clunks when started

'91 190E 2.3. Most of the time, when starting the engine, it rocks back and forth with a clunking sound, then purrs along fine. Noise and vibration while driving is very low for a four, and not a problem (though perhaps more than when new).

According to the 13mm bolthead test, the motor mounts need replacement, but I wonder if the 'bumpy' startup is more indicative of another problem, such as pressure leakdown? Running seems fine, with somewhaty erratic idle at times, and rarely, - a stall.

Should I look for other problems before replacing the motormounts, or is the engine shaking - that bottoms OURS out - normal when starting?

Thanks for any help.

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