Quote:
Originally Posted by planeboy
A couple of years ago I bought a 1993 320CE coupe and it's been great, my first Merc. I love it. I don't drive much so was looking forward to a few good years in it. However, recently I had an oil leak - oil reddish in colour and also there was a high pitched sound coming from the car, especially when I put it in reverse gear.
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from: MERCEDES-BENZ E-Class Owner's Bible 1986-1995
Problen 722.4 transmission ?
Whistling noise when shifting into reverse.
Possible cause, suggested repair
Noise emanates from bore in intermediate plate that allows filling of disc-brake B3. Remove valve body and intermediate plate. Chamfer throttle bore on valve body side. Ensure that release valve B3 is correctly seated in valve body.(See MB service information.)
Just a thought.
Good luck.