NHTSA — Power Train: Automatic Transmission: Cooling Unit And Lines Problems

3.7

definitely annoying
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
34,605 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2006 GMC Sierra 3500 transmission problems

transmission problem

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2006 GMC Sierra 3500 Owner Comments

problem #2

Dec 102009

Sierra 3500

  • 44,000 miles

A D V E R T I S E M E N T S

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.

- Yakima, WA, USA

problem #1

Dec 142007

Sierra 3500 4WD 8-cyl Diesel

  • Automatic transmission
  • 25,210 miles
Transmission cooling pipes have been replace two times in last than 20 months because of fluid leaking.

- West Rutland, VT, USA

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