We don't have a lot of complaints on file for the Hummer H1 (although feel free to add yours here) -- it's either not very popular ... or it's very, very good.
The 2002 Hummer H1 has the most complaints, & the most-reported problem is also with the 2002 H1 for pmd (pump mounted driver) failure.
Worst Reported Problems with the H1
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#1: on the
Report a Problem H1
We're actively collecting data on the worst problems for the H1.
Latest Owner Complaints About the H1
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vehicle died on the highway -- 2001 H1:
Through research we have learned that this problem has caused serious accidents. We were very lucky. Couldn't pull the vehicle off the road!! Lost use of steering and everything!! Read more »
This problem has been reported 1 times by other 2001 H1 owners.
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pmd (pump mounted driver) failure -- 2002 H1:
Please visit www.pmdfailures.com This is a very huge safety issue involving all GM, AM General vehicles with the 6.5L or 6.5L TD engine. Millions of vehicles affected. Contact me or attorney Joel Barber or Kevin Karp in Reno Nevada Read more »
This problem has been reported 1 times by other 2002 H1 owners.