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 MANUALSCHEVROLET1987STEP VAN P20, 7.4 W, AUTOMATIC, 400/M40REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 42 (SERVICING - M/T)LUBRICATIONCHECKING FLUID LEVEL
1987 Chevrolet Step Van P20, 7.4 W, Automatic, 400/M40
Checking Fluid Level
1987 Chevrolet Step Van P20, 7.4 W, Automatic, 400/M40SECTION Checking Fluid Level
WARNING: This page does not describe the selected car, but rather 26 other vehicles, including the 1984 GMC Vandura Special, 1984 GMC Vandura, 1984 GMC Value Van, 1984 GMC Suburban, and 1984 GMC S15 Pickup. However, it is still accessible from the selected car via links, so may be relevant.
Check lubricant level at transmission filler plug hole. Lubricant should be level with bottom of hole. Add as needed.
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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.