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Old 05-20-2003, 03:23 PM
mike690003's Avatar
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Join Date: Apr 2003
Location: Miami,FL
Posts: 807
300e jumps out of gear too fast

Hello board, I have a concern with my 1987 300e transmission.The tranny was rebuilt by the dealer four years ago, I downshifts great in highway traffic and it shifts smoothly.What concernes me is that I was pulling out from a stop sign to merge into in to heavy traffic. I stomp my gas to merge and the tranny starts to accelerate and then flattens out, as if going into a higher gear. This almost cost me the rear of my car, luckily the driver slowed down. Well I know these cars arent speed demons, but my sisters' ford focus cand pull into traffic quicker than my 300e. I lubricated my cables but that only helped a little. Could there be a problem with my bowden cable??Is it a DIY thing? Help
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Old 05-29-2003, 07:00 PM
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You might want to check on you vacuum line from the modulator to the manifold. Does the trans have a hard time going from 2 to 3 or 3 to 4'th ?

Clean out the line and plug it back in and I would be suprised if it didn't fix your problem.
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Old 06-05-2003, 03:21 PM
mike690003's Avatar
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Join Date: Apr 2003
Location: Miami,FL
Posts: 807
it turned out to be a broken kickdown switch. $14 fix
1987 mercedes 300E
1995 e320 conversion(hated the 300e grill)
HID/Xenon (D2S)
Keyless Entry
Monochromatic Paint (Custom Blue)
Smoked Tails
Flat Badged (front)
Debadged (rear)
custom "carbon fiber" console
18 inch HP EVO rims
Sold! Now I drive a Monte Carlo SS
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Old 06-06-2003, 01:04 PM
haasman's Avatar
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Join Date: Jun 2001
Location: San Francisco, CA
Posts: 3,097

Glad to hear you found the fix. Just curious, how did you know it was the kick down switch?

'03 E320 Wagon-Sold
'95 E320 Wagon-Went to Ex
'93 190E 2.6-Wrecked
'91 300E-Went to Ex
'65 911 Coupe (#302580)
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