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 MANUALSPONTIAC1983GRAND PRIX BASE, 5.0 HREPAIR AND DIAGNOSIS (SINGLE PAGE)TRANSMISSIONAUTOMATIC TRANSOVERHAUL - 350CCONTROL PRESSURE CHECKNOTES
1983 Pontiac Grand Prix Base, 5.0 H
Control Pressure Check: Notes
1983 Pontiac Grand Prix Base, 5.0 HSECTION Notes
- Connect tachometer to engine and 0-300 psi pressure gauge at line pressure take-off point. See Fig 1 . With transmission fluid at correct level and normal operating temperature, perform test as follows:
- With vehicle stationary and service brakes set, test with vacuum gauge attached in line with modulator and tachometer hooked to engine. Check oil pressures with those found in CONTROL PRESSURE SPECIFICATIONS .
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.