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 MANUALSCHEVROLET1987NOVA BASE, 4D SEDAN, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)TRANSMISSIONAUTOMATIC TRANSOVERHAUL - A-130 SERIESTESTINGHYDRAULIC PRESSURE TESTSGOVERNOR PRESSURE TEST
1987 Chevrolet Nova Base, 4D Sedan, Automatic
Governor Pressure Test
1987 Chevrolet Nova Base, 4D Sedan, AutomaticSECTION Governor Pressure Test
- Apply parking brake. Raise and support front of vehicle with safety stands. Remove appropriate transaxle case plug and connect pressure gauge. See Figure.CAUTION: Road test vehicle or use chassis dynamometer to check governor pressures exceeding minimum vehicle speed specification.
- Start engine and shift into "D" position. Note the governor pressure at specified speeds and engine RPM. Refer to GOVERNOR PRESSURE SPECIFICATIONS . Incorrect governor pressure may be caused by incorrect line pressure, leakage at governor pressure circuit or defective governor valve.
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.