NHTSA — Engine Problems

1.7

hardly worth mentioning
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
98,503 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.

2006 Hummer H2 engine problems

engine problem

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2006 Hummer H2 Owner Comments

problem #3

Mar 142018

H2

  • 115,000 miles

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

Exhaust bolts broken, leaking exhaust fumes into vehicle, engine fire "??" city driving

- North Port, FL, USA

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problem #2

Mar 142018

H2

  • 115,000 miles
Exhaust leaking because manifold bolts broken, this is my second Hummer, my lawyer has a Hummer also and I belong to Hummer group here in Florida

- Northg Port, FL, USA

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problem #1

Nov 012012

H2 8-cyl

  • 65,510 miles
1. normal driving in town and highway 2. failure of the drivers side & passenger side exhaust manifold bolts; causes exhaust gases to fill engine compartment and bypasses the catalytic emissions equipment. 3. drivers side head had to be removed, broken manifold bolts extracted from the head, new manifold and stronger manifold bolts installed.

- Clinton, PA, USA

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