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 MANUALSCHEVROLET1993SPORTVAN G30, VAN PASSENGER, 7.4 NREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 32 (ENGINE CONTROLS - REMOVE/INSTALL/OVERHAUL)FUEL SYSTEM (GASOLINE)GOVERNOR ASSEMBLY (5.7L "G" SERIES)DISASSEMBLY & REASSEMBLY
1993 Chevrolet Sportvan G30, Van Passenger, 7.4 N
Disassembly & Reassembly
1993 Chevrolet Sportvan G30, Van Passenger, 7.4 NSECTION Disassembly & Reassembly
WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 1994 GMC Vandura Special, 1994 GMC Vandura, 1994 GMC Rally Camper Special, 1994 GMC Rally, and 1994 GMC Forward Control. However, it is still accessible from the selected car via links, so may be relevant.
- Hold throttle cam lever open at 11 o'clock position. See Fig 2. Remove mounting screws and remove governor drive motor. Release spring tension from governor drive lever. No other disassembly is possible.
- If necessary, apply Special Grease (available in repair kit only) to governor mechanism. Align governor drive motor with cover plate. See Fig 3. Reattach spring to governor drive lever.
- Hold throttle cam lever open at 11 o'clock position. See Fig 2. Tilt governor drive motor slightly. Ensure governor drive lever clears cover and align mounting holes. Apply Loctite to threads and tighten mounting screws to 30 INCH lbs. (3 N.m).
- Rotate motor drive lever clockwise. Spring tension should be felt. Release lever and motor drive should return to park position. If motor drive lever does not operate as described, recheck assembly procedure.
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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.