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.
2002 Chevrolet Astro Van Cargo, RWDFACTORY OEM SERVICE PROCEDURE
Compass Calibration
WARNING: This page is about a different car, the 2001 GMC Safari and 2001 Chevrolet Astro. However, it is still accessible from the selected car via links, so may be relevant.
- Turn ignition switch to RUN position. Press MODE button in order to advance to COMP/TEMP mode.
- Simultaneously depress and hold US/MET and MODE buttons until a "C" is displayed, in approximately 10 seconds. Release both buttons
- Drive vehicle in circles at a speed of less than 8 km/h (5 mph) until "C" is replaced by a proper vehicle heading. Calibration procedure is now complete
Factory Service Tools
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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.