6.0

fairly significant
Typical Repair Cost:
No data
Average Mileage:
75,000 miles
Total Complaints:
1 complaints

Most common solutions:

  1. replace intake manifold gasket (1 reports)
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problem #1

Nov 102008

Sierra 1500 5.3L

  • Automatic transmission
  • 75,000 miles

Intake manifolds on GMC are junk, they need a new design. If the engine runs a little hot it melts plastic parts internally.

- jconner, Yorkville, IL, US

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