Our Community is 940,000 Strong. Join Us.

2002 Impala-trans. shift hard


Quack Quack
05-06-2013, 07:31 PM
Was wondering if anyone knew why the transmission would start shifting hard. The car has over 200 k miles, but runs great. It just recently started shifting hard.
Tech II
05-07-2013, 07:42 AM
If a transmission code is set, the code may force the PCM to run with FULL LINE pressure, causing harsh shifts....

Check for codes....

Check fluid level and condition.....

Last transmission service?

Add your comment to this topic!