Transmission shifts hard sometimes
#1
Transmission shifts hard sometimes
I have a 2000 pontiac bonneville ssei and sometimes whenever I am driving it it shifts hard but most of the time it shifts smoothly. Is there something wrong with my transmission that it shifts hard sometimes? The transmission is an automatic.
#3
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If it not the mounts look into converting to Dextron VI and installing a shift kit. 11 months ago I was convinced I needed to rebuild the trans, did the Dextron VI and the shift kit- and the trans is running better every day- 30k miles later.
#4
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If it engages into D and R hard to it could be a vacuum problem. I had hard engagement into D and R also 1-2 shifts were pretty hard and 2-3 shifts a little harder than normal. after a brief look under hood I found vacuum line had been totally knocked off trans. Stuck it back on fine ever since.
#8
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