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1999 Am General HummerProblems, recalls & complaints

NHTSA has logged 2 owner complaints about the 1999 Am General Hummer, most often about the engine and engine cooling. It is covered by 3 safety recalls.

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CarFlaw IndexNot enough dataHigher is better (0–100)
Safety recalls3Free fix at dealersOwner complaints20 with a crash, fire or injuryTop problem1Engine and engine cooling

Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through January 25, 2005. Updated daily.

Complaints by system

Where the 1999 Am General Hummer has problems

2 complaints grouped by the system owners reported.

Box size = number of complaints naming that system. Darker = larger share. One complaint can name more than one system.
Complaints by system
SystemComplaintsCrash, fire or injury
Engine and engine cooling10
Seats10

Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.

3 recalls

1999 Am General Hummer recalls and how many were fixed

Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.

–no report yet

Turn signal: switch

Recall 01V-336 · Oct 31, 2001 · 2,839 vehicles

Risk. THIS COULD SEND AN INCORRECT LAMP SIGNAL TO OTHER VEHICLES, INCREASING THE RISK OF A CRASH.

Problem, fix and repair progress →

–no report yet

Foundation components: hoses, lines/piping, and fittings

Recall 00V-005 · Jan 11, 2000 · 980 vehicles

Risk. A BRAKE FLUID LEAK CAB CAUSE A REDUCTION IN BRAKE LINE PRESSURE AND RESULTING IN LONGER-THAN-NORMAL STOPPING DISTANCES.

Problem, fix and repair progress →

–no report yet

Service brakes, hydraulic: power assist

Recall 99V-059 · Mar 23, 1999 · 186 vehicles

Risk. A LOOSE MASTER CYLINDER CONDITION CAN OCCUR, CAUSING LONGER THAN NORMAL BRAKE PEDAL TRAVEL DURING BRAKE PEDAL APPLICATIONS.

Problem, fix and repair progress →

Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Am General.

Best & worst years

1999 vs. every other Hummer year

Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the Hummer median. How we score

'92'93'94'95'96'97'98'99'00'01'03
  • Avoid
  • Caution
  • Solid
  • Best
  • Not rated
In owners' words

What Hummer owners report

Recent engine and engine cooling complaints filed with NHTSA, shortened. Personal details are removed.

CYLINDER WALL NUMBER 8 CRACKED LEAVING THE ENGINE USELESS. *PH CONSUMER MADE AN INVESTIGATION ABOUT THE DEFECT OF THE VEHICLE AND FOUND OUT THAT GENERAL MOTORS (GM) KNEW ABOUT THE PROBLEM ON THE ENGINE BLOCK. UP TO THIS DATE GM REFUSED TO OFFER ANY ASSISTANCE ON THE REPLACEMENT OF THE ENGINE.…
Complaint 10062894 · Mar 10, 2004

Own a 1999 Hummer?

Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.