7.0
pretty badTypical Repair Cost:
no data
Average Mileage:
67,000 miles
Total Complaints:
2 complaints
Most common solutions:
- new transmission (1 reports)
- stopping and turning off engine for few minutes (1 reports)
transmission problem
Helpful Websites About 2000 Pontiac Bonneville rough shifting
2006Feb 13
Bonneville SE 3.8L V6
- Automatic transmission
- 39,000 miles
rough shifting, especially when hot...This transmission was rebuilt by the dealer and went out again in the same manner about 30,000 miles later. It required a new transmission the second time (@74,000 miles). On the other hand, my 1989 Bonneville has 167,000 with the original transmission and engine running great.
We have partnered with JustAnswer to offer online auto repair help and advice from expert professional automotive technicians. You describe your transmission problem or ask your question and they try to help you figure it out. The fee is typically $9 to $15, but you can offer to pay more for really tough questions. You will usually receive an answer in 10 minutes or less, and you do not have to pay anything unless you accept the answer.

A D V E R T I S E M E N T S
2007Feb 17
Bonneville SLE 3.8L
Transmission started doing rough shifting, felt like was running over a speed bump. I noticed it went away after I had stopped the car and turned off engine. I had it diagnosed at transmission repair shop and they said many GM cars with same transmission have same problem. They said it was solenoid problem but would cost almost as much as doing complete transmission repair ( $1200 to $1800) since the solenoid was inside the transmission box. I decided to wait until I needed a complete transmission repair to have it fixed.
Neldon J.
Salem, Utah, USA
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