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#BS-1999-AM HUM-34B11999 Am General Hummer
Based on reports from 2 owners and 4 recalls for this exact model.
Preliminary Verdict
Green Light
Based on 2 complaints, 0 crashes, 0 fires, and 4 recalls.
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Mechanic Inspection Checklist
1 owners reported engine and engine cooling:engine issues.
30,000-Mile Cost Projection
Best Case
Most Likely
Worst Case
Top cost driver: Engine And Engine Cooling:engine (1 reports).
Also in your report
Owner Intelligence
AI-synthesized themes from real complaints
Buyer Lot Checklist
Questions, test drive checks, walk-away triggers
Negotiation Talking Points
Data-backed dollar deductions
Buy / Skip Verdict
Final recommendation with conditions
Where the complaints fall
1999 Am General Hummer: Known Issues & Problem Areas
Engine And Engine Cooling:engine Issues
Engine And Engine Cooling:engine complaints account for 50% of all reports filed for the 1999 Am General Hummer, with 1 owners filing complaints with NHTSA.
Seats:front Assembly:head Restraint Issues
Seats:front Assembly:head Restraint complaints account for 50% of all reports filed for the 1999 Am General Hummer, with 1 owners filing complaints with NHTSA. Owners should pay attention to seats:front assembly:head restraint-related symptoms during test drives and pre-purchase inspections.
Data sourced from NHTSA owner complaints and community reports. The full report analyzes severity, repair costs, and failure patterns for each category.



Don't negotiate blind — know what this car costs to own
Repair costs • Negotiation scripts • Mechanic checklist • Buy/skip verdict
Recall History (4 recalls)
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS
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.
EXTERIOR LIGHTING:TURN SIGNAL:SWITCH
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.
EQUIPMENT
CERTAIN HONEYWELL FRAM RACING BRAND HP4 AND HP8 OIL FILTERS THAT WERE MANUFACTURED FROM MAY 25, 2006, THROUGH SEPTEMBER 14, 2007, AND SOLD FOR USE AS REPLACEMENT EQUIPMENT FOR VEHICLES LIST ABOVE. THE AFFECTED FILTERS ARE MARKED WITH A DATE CODE A61451 THROUGH A72571 SEQUENTIALLY. THE DATE CODE AND PART NUMBER APPEAR ON THE FILTER HOUSING. FRAM RACING HP4 AND HP8 OIL FILTERS NOT BEARING A DATE CODE IN THIS RANGE ARE NOT AFFECTED BY THIS RECALL. THE GASKET OF THE OIL FILTER BECOMES MORE PLIABLE UNDER HIGH TEMPERATURES AND PRESSURES.
SERVICE BRAKES, HYDRAULIC:POWER ASSIST
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.
Recall severity analysis & seller scripts
The full report rates each recall's severity and gives you scripts for asking the seller about recall completion.
About this data
NHTSA Complaints
Federal database of owner-filed safety complaints. 2 records for this vehicle.
NHTSA Recalls
Manufacturer-issued safety recalls. 4 recalls found for this vehicle.
Repair Cost Data
Real-world repair costs from owner reports and independent databases.
Other Am General Hummer Model Years
View all Am General Hummer years →1999 Am General Hummer: Frequently Asked Questions
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Does the 1999 Am General Hummer have any recalls?
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10 sections of AI analysis based on 2 owner reports. Know before you buy.