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 MANUALSCHEVROLET1983SUBURBAN C20, 5.7 M, STANDARDREPAIR AND DIAGNOSISTRANSMISSIONAUTOMATIC TRANSOVERHAUL & TESTING - 700-R4/4L60ON-VEHICLE SERVICEVALVE BODYREMOVAL
1983 Chevrolet Suburban C20, 5.7 M, Standard
Valve Body: Removal
1983 Chevrolet Suburban C20, 5.7 M, StandardSECTION Removal
- Disconnect throttle valve cable from throttle lever. Raise and support vehicle, and remove transmission oil pan. Remove oil filter and "O" ring. Ensure "O" ring is removed from transmission case.
- Remove electrical connectors from switches (if required), and tag. Remove auxiliary valve tube to access valve body. Remove valve body bolts. Note length and location of bolts for installation.
- Note direction of manual valve link. Remove manual valve link from manual valve at valve body. See Fig 1 . Note direction of throttle valve link. See Fig 2 . Remove throttle valve bracket and throttle valve link. Remove valve body. Note location of check balls. DO NOT lose balls. See Figure .
RENDER: 1.0x
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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.