Power Train Related Problems of the 2006 GMC Sierra 3500

Table 1 shows one common power train related problems of the 2006 GMC Sierra 3500.

Table 1. Power Train related problems of GMC Sierra 3500

Problem Category Number of Problems
Automatic Transmission Cooler problems
4

Automatic Transmission Cooler problem #1

Transmission cooling lines leaking.

Automatic Transmission Cooler problem #2

The contact owns a 2006 GMC Sierra 3500. While examining the vehicle he noticed fluid leaking from under the front passenger side of the vehicle. The vehicle was taken to the dealership and he was advised that the transmission cooling lines needed to be replaced. There were no prior warnings. The current and failure mileages were 44000.

Automatic Transmission Cooler problem #3

Transmission cooling pipes have been replace two times in last than 20 months because of fluid leaking.


Power Train related problems in other GMC Sierra 3500 model year vehicles:



Safety Ratings of Sierra 3500 Cars
Sierra 3500 Service Bulletins
Sierra 3500 Safety Recalls
Sierra 3500 Defect Investigations