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1999 Am General Hummer

Owner reports · Recalls · Investigations

Limited comparison data

There is not enough comparable history to draw a useful model-year comparison.

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How this year compares

Owner complaints by model year

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Counts vary with age, sales and reporting. They are not failure rates.

What owners reported most

Tap a category to read its complaints. One report may name several components.

When problems were reported

Mileage at the reported incident

Limited mileage data: 0 of 2 reports include usable mileage. There isn’t enough coverage to show a useful chart.

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Engine And Engine Cooling. Review the 1 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Seats. Review the 1 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

0 crash reports0 fire reports0 injury reports

Seats complaints

1 reports
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Mileage unknown · Jan 25, 2005
Seats

THE U.S. ARMY HAS RECENTLY MADE IT MANDATORY FOR ALL SOLDIERS DRIVING IN HUMMV'S (AND OTHER TACTICAL VEHICLES) TO WEAR THE KEVLAR HELMETS, EVEN ON PUBLIC HIGHWAYS. MOST OF THESE VEHICLES HAVE NO HEADREST. REQUIRING SOLDIERS TO ADD THE WEIGHT OF THE HELMET (3.1 TO 4.2 POUNDS) TO THEIR CRANIUM WILL SUBSTANTIALLY INCREASE THE PRO…

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THE U.S. ARMY HAS RECENTLY MADE IT MANDATORY FOR ALL SOLDIERS DRIVING IN HUMMV'S (AND OTHER TACTICAL VEHICLES) TO WEAR THE KEVLAR HELMETS, EVEN ON PUBLIC HIGHWAYS. MOST OF THESE VEHICLES HAVE NO HEADREST. REQUIRING SOLDIERS TO ADD THE WEIGHT OF THE HELMET (3.1 TO 4.2 POUNDS) TO THEIR CRANIUM WILL SUBSTANTIALLY INCREASE THE PROBABILITY OF NECK INJURIES IN ANY VEHICLE ACCIDENT. *NM

NHTSA ODI #10107897

Official recalls

3

01V336000 · Exterior Lighting:turn Signal:switch

Oct 31, 2001

VEHICLE DESCRIPTION: SPORT UTILITY VEHICLES. THE TURN SIGNAL SWITCH PLASTIC CANCELLATION PIN CAN WEAR PREMATURELY CAUSING THE SIGNALS TO FAIL TO CANCEL AFTER COMPLETING A TURN.

Consequence & remedy

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

Remedy: DEALERS WILL REPLACE THE TURN SIGNAL SWITCH WITH A NEW SWITCH HAVING A METAL CANCELLATION PIN. OWNER NOTIFICATION BEGAN NOVEMBER 16, 2001. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT AM GENERAL AT 1-800-638-8303.

00V005000 · Service Brakes, Hydraulic:foundation Components:hoses, Lines/piping, And Fittings

Jan 11, 2000

VEHICLE DESCRIPTION: A POTENTIAL CHAFING CONDITION OCCURS BETWEEN THE FLEXIBLE BRAKE LINES WHICH CONNECT THE MASTER CYLINDER TO THE ABS MODULATOR. THIS CONDITION CAN LEAD TO ONE OR BOTH OF THE BRAKE LINES DEVELOPING A BRAKE FLUID LEAK.

Consequence & remedy

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

Remedy: DEALERS WILL REPLACE THE MASTER CYLINDER TO ABS MODULATOR LINES.

99V059000 · Service Brakes, Hydraulic:power Assist

Mar 23, 1999

VEHICLE DESCRIPTION: SPORT UTILITY VEHICLES. THE NUTS USED TO ATTACH THE MASTER CYLINDER TO THE HYDROBOOST BOLTS WERE OF THE METRIC TYPE RATHER THAN THE REQUIRED ENGLISH TYPE.

Consequence & remedy

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

Remedy: DEALERS WILL REPLACE THE MASTER CYLINDER-TO-HYDROBOOST MOUNTING BOLTS AND NUTS.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

0

No exact-year investigations in this snapshot.