What are the most common Pontiac Firebird problems?
According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 1991 Pontiac Firebird has 5 documented issues. The most frequently reported are: 700-R4/4L60E Automatic Transmission 3-4 Clutch Pack Failure, Pop-Up Headlight Motor Gear Stripping (Headlights Stuck Up or Down), VATS/PassKey Anti-Theft System No-Start (Security Light, Car Won't Crank or Stalls). Of these, 1 is rated critical and should be addressed promptly.
Is the Pontiac Firebird reliable?
The 1991 Pontiac Firebird has 5 known issues compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. 1 issue is rated critical: 700-R4/4L60E Automatic Transmission 3-4 Clutch Pack Failure. 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 Pontiac Firebird problems?
Repair costs for known Pontiac Firebird issues range from $75 to $3,800, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, 700-R4/4L60E Automatic Transmission 3-4 Clutch Pack Failure, typically costs $1,800-$3,800 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
What is the 1982-2002 Pontiac Firebird 700-R4/4L60E Automatic Transmission 3-4 Clutch Pack Failure?
The TH700-R4 (third gen) and its electronic successor the 4L60E (fourth gen) are widely known for burning up the 3-4 clutch pack, especially behind the torquey LT1 and LS1 V8s. Root causes documented across F-body forums include 2-4 band/clutch apply-timing overlap, low line-pres… Repairs typically run $1,800-$3,800. Severity: high.
What is the 1982-2002 Pontiac Firebird Pop-Up Headlight Motor Gear Stripping (Headlights Stuck Up or Down)?
The electric actuator motors that raise and lower the Firebird's pop-up headlight doors use soft nylon internal gears that strip with age and repeated cycling. Because only half of the gear teeth are normally engaged, the worn teeth eventually slip, leaving the motor spinning wit… Repairs typically run $75-$450. Severity: medium.
What is the 1989-2002 Pontiac Firebird VATS/PassKey Anti-Theft System No-Start (Security Light, Car Won't Crank or Stalls)?
Firebirds equipped with GM's VATS/PASS-Key theft deterrent read a resistor pellet in the ignition key through contacts in the lock cylinder; worn key pellets, worn lock-cylinder contacts, and broken hair-thin wires in the steering column cause the system to misread the key and di… Repairs typically run $75-$500. Severity: medium.
What is the 1982-2002 Pontiac Firebird T-Top Water Leaks from Deteriorated Weatherstripping?
Firebirds with the popular removable T-top glass panels are notorious for water leaks as the rubber weatherstripping shrinks, hardens, and cracks with age, and as side glass alignment drifts. Water enters at the panel-to-roof seals, the windshield header corners, and the tops of… Repairs typically run $250-$1,200. Severity: medium.
What is the 1982-2002 Pontiac Firebird Power Window Motor and Regulator Failure (Slow or Stuck Windows)?
Third- and fourth-gen F-body power window motors are a well-documented weak point: the motor's internal thermal resistor and worn brushes cause the heavy door glass to move slower and slower until it stops mid-travel, often stranding the window down in rain or cold. RepairPal lis… Repairs typically run $150-$500. Severity: medium.
