Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSPONTIAC1991FIREBIRD V8-350 5.7LREPAIR AND DIAGNOSISSTEERING AND SUSPENSIONTECHNICAL SERVICE BULLETINS
1991 Pontiac Firebird V8-350 5.7L
Steering and Suspension: Technical Service Bulletins
1991 Pontiac Firebird V8-350 5.7LSECTION Technical Service Bulletins
- Customer Interest
- Power Steering - Fluid Leaks Due to Extreme Low Temps
- Steering - Crunch Noise on Full Lock Turns
- Aluminum Wheels - Cosmetic Damage During Balancing
- Aluminum Wheels - Clear Coat Scuffed and Scratched
- Body - Squeak and Rattle Noises
- P/S - Reduced Assist When Cold
- Power Steering - Reduced Assist At Low Temperatures
- Tires/Wheels - Low Tire/Leaking Cast Aluminum Wheels
- Tires/Wheels - Vibration Shortly After Tires Are Mounted on Rim
- By Symptom
- Abnormal/Uneven wear
- Customer Interest
- Power Steering - Fluid Leaks Due to Extreme Low Temps
- Steering - Crunch Noise on Full Lock Turns
- Aluminum Wheels - Cosmetic Damage During Balancing
- Aluminum Wheels - Clear Coat Scuffed and Scratched
- Body - Squeak and Rattle Noises
- P/S - Reduced Assist When Cold
- Power Steering - Reduced Assist At Low Temperatures
- Tires/Wheels - Low Tire/Leaking Cast Aluminum Wheels
- Tires/Wheels - Vibration Shortly After Tires Are Mounted on Rim
- Difficult steering
- Leaks
- Noise
- Poor steering/ride control
- Vibration
- All Technical Service Bulletins
- Vehicle - Engine And Sub Systems Flushing Info. (CANADA)
- Vehicle - Engine And Sub-Systems Flushing Recommendations
- Wheels/Tires - Use Of Nitrogen Gas In Tires
- Tires - Information On Proper Tire Pressure
- Suspension - Shock Absorber/Strut Fluid Leak Information
- Power Steering - Fluid Leaks Due to Extreme Low Temps
- Steering/Suspension - Wheel Alignment Specifications
- Suspension - Chassis Lubrication Importance
- Tools - Power Steering Bleeder Adapter
- Steering - System Bleed Procedures
- Suspension - Shock Absorber/Strut Replacement Guidlines
- Tools - Adjuster Locknut Wrench
- Steering - Crunch Noise on Full Lock Turns
- Aluminum Wheel - Coated Wheel Weights
- Wheels (Steel) - Proper Changing Procedure
- Aluminum Wheels - Cosmetic Damage During Balancing
- Tires/Wheels - Match Mounting Discontinued
- Wheels (Aluminum) - Coated Balance Weight Usage
- Wheels - Sealing Leaking Cast Aluminum
- Aluminum Wheels - Clear Coat Scuffed and Scratched
- Aluminum Wheels - Refinishing
- Warranty - Guidelines for Using E0420 Wheel Replace
- Warranty - OE Chrome Plated Aluminum Wheel ID
- Tires - Information On Refilling CO2 Tire Inflators
- Warranty - Tire Company Warranty Assistance Programs
- Tires - Manufacturers' Assistance
- Tires - Proper Mounting Procedures
- Tires - Speed Rated Information
- Body - Squeak and Rattle Noises
- Steering Wheel - Removal With SIR Coil Assembly
- Tires/Wheels - Wheel Weight Usage Precautions
- P/S - Reduced Assist When Cold
- Power Steering - Reduced Assist At Low Temperatures
- Track Bar - Fastener Torque Update
- Wheels - Chrome Wheel Brake Dust Accumulation/Pitting
- Wheels/Tires - Upsized Wheel/Tire Characteristics
- Wheels/Tires - Chrome/Steel Valve Stem Cap Precautions
- Wheels/Tires - Accessory Wheel And Tire Information
- Wheels/Tires - Replacement Wheel Weight Information
- Tires/Wheels - Low Tire/Leaking Cast Aluminum Wheels
- Tires/Wheels - Tire Puncture Repair Procedures
- Wheels - Changing Procedures/Precautions
- Wheels/Tires - Refinishing Aluminum Wheels
- Tires/Wheels - Vibration Shortly After Tires Are Mounted on Rim
- Tires/Wheels - OE Tire Shake/Vibration Information
- Tires/Wheels - Information on Tire Radial Force Variation (RFV)
- Wheels - Chromed Aluminum Wheel Staining/Pitting/Corrosion
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.