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 MANUALSGMC1984VALUE VAN P3500, 5.7 M, AUTOMATIC, 400/M40REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 8 (SERVICING - M/T)LUBRICATIONCHECKING FLUID LEVEL
1984 GMC Value Van P3500, 5.7 M, Automatic, 400/M40
Checking Fluid Level
1984 GMC Value Van P3500, 5.7 M, Automatic, 400/M40SECTION Checking Fluid Level
WARNING: This page does not describe the selected car, but rather 26 other vehicles, including the 1983 GMC Vandura Special, 1983 GMC Vandura, 1983 GMC Value Van, 1983 GMC Suburban, and 1983 GMC S15 Pickup. However, it is still accessible from the selected car via links, so may be relevant.
Check lubricant level at filler plug hole on side of transmission. Lubricant should be level with bottom of filler plug hole. Add lubricant as necessary to bring to correct level.
NOTE:
If vehicle is equipped with a transaxle, check fluid level when transaxle is cold. If hot, fluid may flow from filler hole when plug is removed. This could result in burned hands or incorrect level readings.
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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.