1991 Buick Roadmaster Problems: 1 Known Issue
1991 model year · NHTSA recalls, manufacturer TSBs, and owner forum reports · Updated November 2026
According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 1991 Buick Roadmaster has 1 documented issue. None of the listed issues is rated critical; this is not a complete reliability assessment. Across all issues with published estimates, repair costs range from $250 to $800. DIY maintenance guides at au7o.io.
1991 · All trims · All engines
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All 1 Known Issue
NHTSA Recalls12 recalls
VEHICLE SPEED CONTROL:SPRINGS
THESE VEHICLES FAIL TO CONFORM TO FMVSS NO. 124, "ACCELERATOR CONTROL SYSTEMS." AT LOW TEMPERATURES, EXCESSIVE FRICTION CAN OCCUR IN THE ACCELERATOR PEDAL ASSEMBLY.
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.
SEAT BELTS
THE SHOULDER BELT GUIDE LOOP PLASTIC COVERING MAY CRACK AND EXPOSE THE STEEL SUB-PLATE.
WHEELS:LUGS/NUTS/BOLTS/STUDS
PAINT ON THE WHEEL MOUNTING SURFACES CAN ACT AS A SHIM BETWEEN THE WHEEL AND THE ROTOR/DRUM. AS THE VEHICLE IS DRIVEN, THE WHEEL IMBEDS INTO THE PAINT, LOOSENING THE LUG NUT AND CAUSING A LOSS OF CLAMP LOAD.
ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS
THE ENGINE OIL COOLER INLET HOSE MAY HAVE BEEN INSTALLED TOO CLOSE TO THE STEERING GEAR CAUSING CHAFING. THE CHAFING CAN EVENTUALLY WEAR THROUGH THE HOSE'S PROTECTIVE SLEEVE RESULTING IN ENGINE OIL LEAKING ONTO THE ENGINE.
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Frequently Asked Questions
What are the most common Buick Roadmaster problems?
According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 1991 Buick Roadmaster has 1 documented issue. The documented issue is: Estate Wagon Rear Self-Leveling Air Shock and Compressor Failure. None are rated critical, but regular maintenance is recommended.
Is the Buick Roadmaster reliable?
The 1991 Buick Roadmaster has 1 known issue compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. None of the matching records is rated critical; this is not a complete reliability assessment. Regular maintenance following the manufacturer's schedule helps prevent many common problems.
How much does it cost to fix common Buick Roadmaster problems?
Repair costs for known Buick Roadmaster issues range from $250 to $800, depending on the specific problem and whether you choose DIY or professional repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
What is the 1991-1996 Buick Roadmaster Estate Wagon Rear Self-Leveling Air Shock and Compressor Failure?
The Roadmaster Estate Wagon (and some sedans equipped with the F41 package) uses an Electronic Level Control (ELC) system with rear air-adjustable shocks (GM PN 22064630), a height sensor above the rear axle, and an air compressor mounted at the front left behind the bumper. The… Repairs typically run $250-$800. Severity: medium.
Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public automotive data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.