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Old 11-19-2013, 09:54 AM
Mark DiSilvestro Mark DiSilvestro is offline
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Join Date: Jan 2001
Location: Alexandria, Virginia
Posts: 5,457
Quote:
Originally Posted by Danman View Post
I have come across conflicting information as to whether the 3/2 valves are needed. Are there certain years that need this part for proper trans performance?

I have removed the entire assembly (84 300d) and noticed no difference.
I've heard the vacuum plumbing varied with the year or model. I had an '82 automatic 240D and when I was working on the alternator, I accidentally switched the two EGR vacuum lines at the solenoid-valve on the right inner-fender. The tranny wouldn't upshift until I switched the lines back.
Now, I have the same model with a stick-shift, so I guess I could toss all the EGR plumbing without a care (Unless some zealous EPA official is reading this!)

Happy Motoring, Mark
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