1999 Buick Park Avenue Problems: 2 Known Issues
1999 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 1999 Buick Park Avenue has 2 documented known issues, with 2 rated critical. The most serious are Park Avenue 3800 V6 Lower Intake Manifold (LIM) Gasket Leak ($400-$1,200 repair) and Delphi Fuel Pressure Regulator Leak — Backfire and Fire Risk (NHTSA Recall 04V090000). Across all issues with published estimates, repair costs range from $400 to $1,200. DIY maintenance guides at au7o.io.
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All 2 Known Issues
NHTSA Recalls2 recalls
VISIBILITY:WINDSHIELD WIPER/WASHER
VEHICLE DESCRIPTION: PASSENGER VEHICLES. SOME OF THESE VEHICLES FAIL TO COMPLY WITH REQUIREMENTS OF FMVSS NO. 104, "WINDSHIELD WIPING AND WASHING SYSTEMS." THESE VEHICLES HAVE A WIPER SYSTEM MICROPROCESSOR THAT IS SUSCEPTIBLE TO VOLTAGE TRANSIENTS, WHICH CAN CAUSE A "LATCH-UP" CONDITION IN THE SYSTEM CONTROLLER.
LATCHES/LOCKS/LINKAGES:TRUNK LID:LOCK
ON CERTAIN PASSENGER VEHICLES, THE EMERGENCY TRUNK RELEASE HANDLE MAY BE INSTALLED OR FORCED OUT OF THE PROPER POSITION.
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Frequently Asked Questions
What are the most common Buick Park Avenue problems?
According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 1999 Buick Park Avenue has 2 documented issues. Documented issues include: Park Avenue 3800 V6 Lower Intake Manifold (LIM) Gasket Leak, Delphi Fuel Pressure Regulator Leak — Backfire and Fire Risk (NHTSA Recall 04V090000). Of these, 2 are rated critical and should be addressed promptly.
Is the Buick Park Avenue reliable?
The 1999 Buick Park Avenue has 2 known issues compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. 2 issues are rated critical: Park Avenue 3800 V6 Lower Intake Manifold (LIM) Gasket Leak and Delphi Fuel Pressure Regulator Leak — Backfire and Fire Risk (NHTSA Recall 04V090000). Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.
How much does it cost to fix common Buick Park Avenue problems?
Repair costs for known Buick Park Avenue issues range from $400 to $1,200, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, Park Avenue 3800 V6 Lower Intake Manifold (LIM) Gasket Leak, typically costs $400-$1,200 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
What is the 1995-2005 Buick Park Avenue Park Avenue 3800 V6 Lower Intake Manifold (LIM) Gasket Leak?
The 3800 Series II (and early III) V6 in Park Avenue, LeSabre, Riviera, Regal, Lucerne — and shared Pontiac Bonneville/Grand Prix, Olds 88/LSS, Chevy Monte Carlo/Impala — suffers infamous lower intake manifold gasket failure. The original plastic-carrier lower intake gaskets degr… Repairs typically run $400-$1,200. Severity: high.
What is the 1998-2000 Buick Park Avenue Delphi Fuel Pressure Regulator Leak — Backfire and Fire Risk (NHTSA Recall 04V090000)?
The 1998-2000 Park Avenue's 3800 V6 (L36) engine was built with certain Delphi fuel pressure regulators that NHTSA found leak at a much higher than usual rate. On the Park Avenue, a leaking regulator lets fuel pass into the intake manifold through a vacuum line. If the engine is… Severity: high.
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.