Huge win for car owners! All TSBs to be made public. The Center for Auto Safety just made the NHTSA (US Government) make public the full text of all TSBs from now on. They are the same organization that has petitioned the NHTSA & filed lawsuits to protect car owners over exploding gas tanks & other major safety issues. Whenever you drive in your car, you are safer thanks in part to a lot of work over the years by this small but very effective consumer advocacy group.

Please take a moment & say thank you by donating $5 or whatever you can to the Center for Auto Safety.


pretty bad
Typical Repair Cost:
Average Mileage:
82,333 miles
Total Complaints:
1 complaints

Most Common Solutions:

  1. complete rebuild (1 reports)
1997 GMC Sierra 2500 engine problems

engine problem

Find something helpful? Spread the word.
Get notified about new defects, investigations, recalls & lawsuits for the 1997 GMC Sierra 2500:

Unsubscribe any time. We don't sell/share your email.

1997 GMC Sierra 2500 Owner Comments

problem #1

Aug 012009

Sierra 2500 Hd 2500 4x4 7.4L V8

  • Automatic transmission
  • 82,333 miles


I have had this truck since it was new and all maint done as scheduled. A few months ago it began to have a low idle miss and I had all plugs, wires, rotor and cap replaced. Still had low idle miss. Number 4 cyl plug was fowled. Had dealer do checks they recommended injector cleaner, then timing change, etc. Paid over 500.00 and still had the same low idle miss. Took it back and then a check for leak down was done and the number 4 cyl was leaking more than 20%. Recommended replacement of eng. Had that done at the cost of 6500.00 and while it runs well I am not happy with this happening at 8200 miles. Not sure if I will purchase another GM product!

- , Elk Grove, CA, USA

Not what you are looking for?