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.
1990 Chevrolet APVFACTORY OEM SERVICE PROCEDURE
Maintenance Information
- Model Identification
- Maintenance Service Information
- Service Point Locations
- Service Labor Times
- Wheel & Tire Specifications
- Battery Specifications
- Cautions & Warnings
- Supplemental Restraint System (Air Bag)
- Air Conditioning Servicing
- Anti-Lock Brake System
- Replacing Blown Fuses
- Battery Warning
- Brake Pad Wear Indicator
- Catalytic Converter
- Coolant (DEX-Cool 1995-96 Models)
- Coolant (Propylene-Glycol Formulations)
- Electrostatic Discharge Sensitive (ESD) Parts
- Fuel System Service
- Halogen Bulbs
- Methanol Gasoline
- Radiator Cap
- Radiator Fan
- Spark Plugs
- Warranty Information
- Fuses & Circuit Breakers
- Circuit Breaker/Relay Fuse Panel Location - 1990-95
- Circuit Breaker/Relay Panel
- Circuit Breaker/Relay Panel - 1990-95
- Fuse Panel Identification - 1990 Trans Sport
- Fuse Panel Identification - 1990 Lumina APV & Silhouette
- Fuse Panel Identification - 1991 Models
- Instrument Panel Fuse Identification - 92-96 With 3.1L V6
- Fuse Panel Identification (1992-96 Models With 3.8L V6)
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.
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