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#1
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Rough Transmission Shift
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Deuce '11 ML350 41K '06 Honda Odyssey 110K (Kid's Taxi) '02 E320 151K (Sold) '96 E300D (RIP Riggo - 12/16/2010) 198K '03 Honda Odyssey 34K (Sold) '95 E300D 145K (Sold) '01 Mazda Tribute 19K (Sold) |
#2
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Harsh, late shifts are an indication of low vac, and if the problem is worse with the AC on, pull and plug the green vac line in the engine compartment. Make sure you plug the engine side! This will eliminate the climate control as a possible leak. If the tranny shifts properly, you have a leak.
Better, get a MitiVac and test all the vacuum systems -- quite a few posts on this here, you will be able to check them all out quickly. The softness of the shifts is determined by the vac supplied to the modulator by the white plastic (or aluminum) box on the IP or valve cover -- if you have a leak (very likely at the age of your car), the tranny will shift as though the throttle is wide open -- late and harsh. It will sound as if the rear end is tearing loose -- restore the vac and it works fine! Peter
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1972 220D ?? miles 1988 300E 200,012 1987 300D Turbo killed 9/25/07, 275,000 miles 1985 Volvo 740 GLE Turobodiesel 218,000 1972 280 SE 4.5 165, 000 - It runs! |
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