1991 Cadillac Allante Problems: 2 Known Issues

All 2 Known Issues

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Community reported

190 owners

NHTSA Recalls2 recalls

EQUIPMENT:APPLIANCE:AIR CONDITIONER

IF THE AIR CONDITIONER COMPRESSOR CLUTCH ASSEMBLY CONTACTS THE AUXILIARY ENGINE OIL COOLER OUT HOSE, THE HOSE MAY WEAR THROUGH ALLOWING ENGINE OIL TO LEAK IN THE ENGINE COMPARTMENT.

Campaign #94V15800031/08/1994

FUEL SYSTEM, GASOLINE

CERTAIN REPLACEMENT FUEL FILTERS, FRAM BRAND NAME P/N G3727, WITH DATE CODES X52911 THROUGH X60801 SEQUENTIALLY OR X600141 AND A MEXICO COUNTRY OR ORIGIN MARKING ON THE FUEL FILTER HOUSING MANUFACTURED FROM OCTOBER 18, 2005, THROUGH MARCH 21, 2006, SOLD FOR USE ON THE VEHICLES LISTED ABOVE AND ON CERTAIN SCHOOL BUSES. (TO SEE THE SCHOOL BUS ENGINE SIZES, CLICK ON "DOCUMENT SEARCH" AND THEN "BUS APPLICATIONS"). THE CONNECTOR ON THE FUEL FILTER WAS NOT MANUFACTURED TO HONEYWELL'S SPECIFICATION. AS A RESULT, THE O-RING MAY NOT SEAT CORRECTLY ON THE FUEL LINE.

Campaign #06E04300019/05/2006

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Frequently Asked Questions

What are the most common Cadillac Allante problems?

According to Au7o's analysis of 190+ owner reports, the 1991 Cadillac Allante has 2 documented issues. The most frequently reported are: Convertible Top Hydraulic Cylinder Leaks, Power Convertible Top Hydraulic System Failure. None are rated critical, but regular maintenance is recommended.

Is the Cadillac Allante reliable?

The 1991 Cadillac Allante has 2 known issues documented across 190+ owner 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 Cadillac Allante problems?

Repair costs for known Cadillac Allante issues range from $400 to $2,000, 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 1989-1993 Cadillac Allante Convertible Top Hydraulic Cylinder Leaks?

The Allante's power convertible top relies on hydraulic cylinders and lines that develop leaks over time. Seals in the hydraulic rams dry out, causing slow top operation, incomplete latching, or total failure to raise or lower. Repairs typically run $400-$1,500. Severity: medium.

What is the 1987-1993 Cadillac Allante Power Convertible Top Hydraulic System Failure?

The hydraulic power convertible top system develops leaks in the hydraulic cylinders, lines, and pump motor. The system is complex with multiple actuators for the folding hardtop/softtop mechanism. Hydraulic fluid leaks onto the trunk carpet and the top may stop mid-cycle, leavin… Repairs typically run $500-$2,000. 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.