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Old 07-26-2003, 03:05 AM
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Join Date: Mar 2002
Posts: 45
Question 1994 E320 where is the upshift delay switch located?? code 26

looking for the upshift delay switch on my 1994 mb e320.. car is giving code 26. any help would be greatly appreciated! thanks
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Old 07-26-2003, 01:41 PM
Join Date: Dec 2001
Location: Southern California, U.S.A.
Posts: 8,508
The upshift delay valve is on the side of the transmission.

There is also a switch over valve mounted on the fire wall behind the brake master cylinder.

99% of the time this code comes up because the upshift delay valve no longer holds vacum.

You can check this by pulling the green hose off of the switch over valve, and pulling vacum with a mighty vac. If there is a vacum leak, the pressure will bleed off immediately.
Paul S.

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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Old 07-26-2003, 01:49 PM
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Join Date: Mar 2002
Posts: 45

thanks suginami.. ill give it a try today and pull a vac on it.
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