5.3

fairly significant
Typical Repair Cost:
No data
Average Mileage:
19,000 miles
Total Complaints:
3 complaints

Most common solutions:

  1. not sure (3 reports)
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problem #3

Aug 132018

Colorado Z71 3.2L V6

  • Automatic transmission
  • 11,000 miles

Chattering from the engine during acceleration. Possibly the timing chain? Our 2010 Equinox had a similar issue & this was the problem.

- Ed B., Saint John, IN, US

problem #2

Jun 152017

Colorado LT 3.6L V6

  • Automatic transmission
  • 16,000 miles

I thought I was the only one having this problem but it now seems to be reported by someone else as well. Usually when driving on low RPMs there is a rattling noise coming from the engine that can be clearly heard inside the cabin. Usually get's better right after an oil change but within days it comes back and it gets really loud.

- Humberto P., Miami, FL, US

problem #1

Jul 172016

Colorado V6

  • Automatic transmission
  • 30,000 miles

Been to the dealer several times now for them to duplicate the problem and they always say they don't hear anything. Most of the time i drive it, i hear it. It sounds like metal or chain rattle, low sound, not too loud but i definitely hear it from inside. Sounds like coming from the engine area but only when i step lightly on the gas from a complete stop. Then when i had a fridge on my truck bed, the rattle seemed to be louder every time i accelerate but then goes away after hitting a certain speed. Does anybody have a solution to this?

- georgy, Anaheim, CA, US