Problem with transmission shifting into 4

Asked by Guru1QJ6C Sep 17, 2019 at 03:16 AM about the 2003 Buick Rendezvous CX Plus AWD

Question type: Maintenance & Repair

Transmission functions perfectly
until 4th gear won't go into 4th
gear downshift II function to
normal upshift to third normal 3rd
4th doesn't work I had it scanned
the only thing that came up was
an oxygen sensor going bad

1 Answer
41,350

TDolby answered 5 years ago

sounds like the overdrive is faulty. IT could be a solenoid problem or time for a transmission rebuild, Have an independent trans shop diagnosis, no repair chains.

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