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#1
05-06-2013, 08:31 PM
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2002 Impala-trans. shift hard
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.
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#2
05-07-2013, 08:42 AM
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Re: 2002 Impala-trans. shift hard
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?
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