1999 HUMMER H1 Complaints

View complaints related to 1999 HUMMER H1. The complaints found here are submitted by actual consumers with first hand experience. There are more than 10 complaints submitted for the 1999 HUMMER H1. You can submit your own complaint to the NHTSA or call the Hotline, Monday-Friday 8am to 8pm at (888) 327-4236, TTY: (800) 424-9153.

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  • 1999 HUMMER H1
    - SOUTHBURY, CT

    CONSUMER INQUIRED AS TO WHY THERE WAS NOT A RECALL ON THE DEFECTIVE #8 CYLINDER OF THE 1999 HI HUMMER.*MR THE #8 CYLINDER CRACKED RESULTING IN TOTAL ENGINE FAILURE AT 14000 MILES. *NM

    Source: FORWARDED FROM A CONGRESSIONAL OFFICE