10.0

really awful
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
0 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2017 GMC Sierra 3500 engine problems

engine problem

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2017 GMC Sierra 3500 Owner Comments

problem #1

Jan 022025

Sierra 3500

  • miles

A D V E R T I S E M E N T S

this vehicle is garage kept and meticulous maintained, has 136,000 miles, original owner, brought to dealer for an oil leak, they said exhaust are frozen and won't come out after heating etc. they have to replace exhaust manifolds! Bolts should not seize is the head of a garage kept vehicle that's heated! Being a mechanic many years ago I have never seen this happen! this is the first year for the new engine, On a internet search I found it's not uncommon, and the bill is going to cost me over $8000 !. Thank you, [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

- Wildwood, IL, USA

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