2018 Chevrolet Silverado 1500: Lifter failure
Common wear/failure (not a recall)
Symptoms
Owners of the 2018 Silverado 1500 report: lifter failure. CarComplaints.com lists 3 owner complaints, average mileage 68,850 miles.
NHTSA has 111 owner complaints for the 2018 Silverado 1500 in this area. Examples:
- NHTSA complaint ODI #11765997 (filed 09/21/2026): “I tried to get a tune up and found out that the engine need 5000 worth of engine repairs. i have changed the oil and filter every three thousand miles. those engine are defective and the repair shops are full of the same type of repairs on that type of engine.…”
- NHTSA complaint ODI #11765250 (filed 09/18/2026): “Intermittent issues seemingly related to power or ground problems. at idle, battery voltage drops down from 14-15v to <= 12v (as indicated on the voltmeter on the dash) while turning the steering wheel. "service stabilitrack" message shows up on the screen, a…”
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: afm total delete (1 reports) had to pay for aftermarket afm delete (1 reports). 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 $6,000 (owner-reported average, not a quote).
Typical parts (search links, no affiliate codes)
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