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Old 02-24-2014, 12:40 PM
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whunter whunter is offline
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This may help you

Quote:
Originally Posted by greg walsh View Post
Thought I'd put this out again,I haven't gotten any replies earlier. When changing gears my 86 sl bangs fairly hard. More noticeable at lower speeds.Next weekend I'll change the transmission fluid and see if that helps,someone wrote about synthetic fluid maybe I'll try that.Vacuum lines seem o.k. Any help will be appreciated. Greg.
Here is a cheap common issue.

The rubber vacuum cap on the modulator valve becomes brittle, cracking and leaking = harsh shifting.

This cap is often overlooked, and causes needless replacement of the valve.

Rubber Cap - Modulator Valve
MB# 1262770081
Pelican Parts - Automotive Parts and Accessories - Porsche & BMW

related data
http://www.peachparts.com/shopforum/diy-links-parts-category/142395-transmission.html



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