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 MANUALSCHEVROLET1983CITATION 2D HATCHBACK, 2.8 Z, AUTOMATICREPAIR AND DIAGNOSISTRANSMISSIONAUTOMATIC TRANSOVERHAUL & TESTING - 125C/3T40TESTINGLINE PRESSURE TESTSNOTES
1983 Chevrolet Citation 2D Hatchback, 2.8 Z, Automatic
Line Pressure Tests: Notes
1983 Chevrolet Citation 2D Hatchback, 2.8 Z, AutomaticSECTION Notes
CAUTION:
Parking brakes must be applied during test. Ensure test DOES NOT
exceed 2 minutes.
- Check ATF level, Throttle Valve (T.V.) adjustment and manual control linkages. See appropriate AUTOMATIC TRANSMISSION SERVICING article in the TRANSMISSION SERVICING section. Ensure engine is tuned properly.
- Connect tachometer to engine. Connect pressure gauge to pressure test port on transaxle case. Pressure test port is on bellhousing side, above valve body cover.
- Line pressure is controlled by pump output and pressure regulator valve. Line pressure is boosted by reverse boost valve in "R", "2" and "1" positions. Line pressure should increase with throttle opening in "N", "D" and "R" positions.
RENDER: 1.0x
NO RELATED
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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.