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 MANUALSCHEVROLET1987CHEVY VAN G30, 5.7 K, 400/M40REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 61 (SERVICING - M/T)LUBRICATIONSERVICE INTERVALSTRANSMISSION
1987 Chevrolet Chevy Van G30, 5.7 K, 400/M40
Service Intervals: Transmission
1987 Chevrolet Chevy Van G30, 5.7 K, 400/M40SECTION Transmission
WARNING: This page is about a different car, the 1986 Dodge Ramcharger, 1986 Dodge Ram Wagon, 1986 Dodge Ram Van, 1986 Dodge Pickup, and 1986 Dodge Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
- Check fluid level whenever vehicle is serviced. On vehicles used in normal service with Heavy Duty emissions, transmission should be drained and refilled every 36,000 miles.
- On vehicles with Light Duty emissions, transmission should be drained and refilled every 37,500 miles.
- On either Light or Heavy duty emission vehicles used under severe conditions, drain and refill transmission every 18,000 miles.
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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.