GMCSierra 15001999
  1. GMC Sierra 1500
  2. Problems
  3. 1999
  4. Engine And Engine Cooling

1999 GMC Sierra 1500 Engine And Engine Cooling Problems

2
Owner complaint records in our dataset

Records are owner complaints, not a measured failure rate.

Owner complaint recordsComplaint records reflect reports in our dataset and do not measure how frequently the problem occurs across all vehicles.

Mileage in stored records

BandRecords
60–100k mi1

Complaint records

Owner-submitted complaint content, presented as stored.

  • September 25, 2011

    Engine And Engine Cooling

    My gmc sierra has the 5.3 v8 engine and three of the exhaust manifold bolts are broken off and it is leaking exhaust fumes .these bolts should not break off so easily.i feel this is a safety issue and a recall should be issued to repair this problem. I know other owners who have the same problem. *tr

    ODI 10427085

  • August 30, 2005 · 65,000 miles

    Engine And Engine Cooling

    Found the exhaust manifold bolts on both sides of the engine snapping off for no reason at about 65k miles. When i asked the local dealer about this they stated they would need to remove and reset the engine heads in order to remove the broken bolts. I did not have them repair the problem due to the cost they quoted. I now have three bolts on each side which hold the manifolds in place. The problem seam to happen at…

    ODI 10421516