2017 GMC Sierra 1500: Lifter failure
Common wear/failure (not a recall)
Symptoms
Owners of the 2017 Sierra 1500 report: lifter failure. CarComplaints.com lists 4 owner complaints, average mileage 73,300 miles.
NHTSA has 66 owner complaints for the 2017 Sierra 1500 in this area. Examples:
- NHTSA complaint ODI #11763735 (filed 09/11/2026): “The catastrophic power failure with no warning on my 2017 gmc sierra, at 87450 miles completely contaminated the engine oil cooling lines with metallic debris and fractured structural mounts. the servicing dealership replaced the transmission but is refusing t…”
- NHTSA complaint ODI #11760208 (filed 08/28/2026): “I had an engine rebuilt completed on my l86 2017 gmc 6.2. after the repair, the engine failed due to the crank shaft on the engine being oversized which is the same problem that gm is having with the l87 engines. when the crank was ordered from the dealer fo…”
Likely causes
Sources do not establish a single root cause; diagnosis is needed. Owner-reported fixes are listed below.
Fix, in plain English
Most common owner-reported solutions on CarComplaints.com: none clearly reported. Check for open recalls and extended warranty coverage with a dealer before paying out of pocket.
DIY difficulty: Pro
Internal engine work (lifters, oil consumption, fuel dilution diagnosis) requires engine teardown or dealer software/tests. (Our assessment.)
Cost
CarComplaints.com owners report a typical repair cost of about $5,800 (owner-reported average, not a quote).
Typical parts (search links, no affiliate codes)
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