Thread: Upshift delay - not so much W140
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Old 02-19-2003, 01:31 PM
suginami suginami is offline
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Join Date: Dec 2001
Location: Southern California, U.S.A.
Posts: 8,538
Sorry, but I don't know.

I just know that mine went out and my mechanic replaced it.

He described to me how it works and what is involved.

You also have a separate part called an upshift delay valve that is mounted on your firewall behind the brake master cylinder. It has a black line (electrical) and a green line (vacum) going to it. This part could be bad, too, or the vacum line could be blocked.
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2001 E430, Bourdeaux Red, Oyster interior.
79,200 miles.

1973 280SE 4.5, 170,000 miles. 568 Signal Red, Black MB Tex. "The Red Baron".
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