Noticed one morning when starting up my truck the valves were tapping. Like out of adjustment. My 5.3 is roller lifters so I was surprised. Took it to dealer and was told that gm had a recall on cadillac, chevy and gmc 5.3 and 6.2 engines with defective lifters. Dealer replaced the lifters. Took a week. When I picked up truck service adviser told me to expect to come back around 60k for a new camshaft. Now what!
2011 GMC Sierra 1500 fuel system complaints
Page 2 of 2: complaints 11 to 12 of 12, newest first, as owners wrote them.
Went about a mile was getting ready to make a left across md rt 4 when I lost power and reduced engine power light came, had a close call, on did some research and found a technical notice about throttle body and injector sensors they need a recall.
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