1999 Am General Hummer Problems, Complaints & Recalls
- Compared with other Hummer years
- Not enough data 6th of 8 for complaints
- Safety recalls
- 3 recalls: check your VIN
- NHTSA crash rating
- Not rated
Owners have filed 2 complaints with NHTSA about the 1999 Am General Hummer. That ranks 6th out of 8 Hummer model years for complaints. The most reported problem area is engine and engine cooling (1 complaints, 50%). There are 3 safety recalls covering this model year.
- 2owner complaints
- 3safety recalls
- 0NHTSA investigations
- 0complaints mentioning a crash
Complaints are unverified owner reports and are not adjusted for sales volume.
Most common 1999 Am General Hummer problems
Complaints grouped by the part of the car owners reported, with the median mileage when the problem happened.
| Problem area | Complaints | Share | Median miles | Owners mention most | Typical repair cost |
|---|---|---|---|---|---|
| Engine and Engine Cooling | 1 | 50% | — | — | — |
| Seats | 1 | 50% | — | — | — |
One complaint can list several problem areas, so shares can add up to more than 100%.
Complaints by year received
1999 Am General Hummer recalls (3)
Tap a recall to see the problem, the risk and the fix.
Exterior lighting:turn signal:switch
Problem: 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.
Risk: This could send an incorrect lamp signal to other vehicles, increasing the risk of a crash.
Fix: 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.
Service brakes, hydraulic:foundation components:hoses, lines/piping, and fittings
Problem: 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.
Risk: A brake fluid leak cab cause a reduction in brake line pressure and resulting in longer-than-normal stopping distances.
Fix: Dealers will replace the master cylinder to abs modulator lines.
Service brakes, hydraulic:power assist
Problem: 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.
Risk: A loose master cylinder condition can occur, causing longer than normal brake pedal travel during brake pedal applications.
Fix: Dealers will replace the master cylinder-to-hydroboost mounting bolts and nuts.
To see whether a specific car still has an open recall, enter its VIN on NHTSA's official recall lookup. You can also decode a VIN here.
Recent owner reports
Short excerpts of the latest complaints filed with NHTSA, with personal details removed. Full reports can be searched on NHTSA.gov.
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…
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…
Other Am General Hummer years
| Year | Complaints | Recalls |
|---|---|---|
| 2003 Hummer | 12 | 0 |
| 2001 Hummer | 4 | 0 |
| 2000 Hummer | 2 | 2 |
| 1999 | 2 | 3 |
| 1998 Hummer | 3 | 1 |
| 1997 Hummer | 2 | 0 |
| 1996 Hummer | 3 | 2 |
| 1995 Hummer | 7 | 3 |
See all Am General Hummer problems by year, every Am General model, or the VIN decoder.
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Frequently asked questions
What are the most common problems with the 1999 Am General Hummer?
Owners most often report engine and engine cooling, seats problems. The top one, engine and engine cooling, accounts for 1 complaint.
Was there a recall on the 1999 Am General Hummer?
Yes, 3 safety recalls. Enter your VIN at NHTSA.gov to check whether the repairs were done on your car.
Was the 1999 Am General Hummer a good year?
Complaint data can't fully answer that, because counts aren't adjusted for sales. Compared with other Hummer model years, the 1999 has too little data to compare. Always get a pre-purchase inspection and check the VIN for open recalls.