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 MANUALSCHEVROLET1982CAPRICE V8-305 5.0L VIN H 4-BBLREPAIR AND DIAGNOSISTRANSMISSION AND DRIVETRAINAUTOMATIC TRANSMISSION/TRANSAXLETESTING AND INSPECTIONSYMPTOM RELATED DIAGNOSTIC PROCEDURES4L60 (700-R4) AUTOMATIC TRANSMISSIONOIL PRESSURE HIGH OR LOW
1982 Chevrolet Caprice V8-305 5.0L VIN H 4-bbl
Oil Pressure High or Low
1982 Chevrolet Caprice V8-305 5.0L VIN H 4-bblSECTION Oil Pressure High or Low
1. Oil pump assembly pressure regulator valve stuck.
2. Oil pump assembly pressure regulator valve spring damaged.
3. Oil pump rotor guide omitted or incorrectly assembled.
4. Oil pump rotor cracked or damaged.
5. T.V. valve and reverse boost valve or bushing stuck, damaged or incorrectly assembled.
6. Orifice hole in pressure regulator valve plugged.
7. Oil pump assembly slide sticking or excessive rotor clearance.
8. Oil pump pressure relief ball not seated or damaged.
9. Oil pump cover or body porous.
10. Incorrect pump cover or defective pump faces.
11. Oil filter intake pipe and filter body restricted or cracked.
12. Oil filter O-ring seal missing, cut or damaged.
13. T.V. exhaust ball stuck or damaged.
14. Throttle lever and bracket assembly or throttle link binding, damaged or incorrectly assembled.
15. Valve body manual valve scored or damaged.
16. Valve body spacer plate or gaskets incorrect, damaged or incorrectly assembled.
17. Valve body throttle valve sticking, sleeve rotated in bore or retaining pin not seated.
18. T.V. limit valve, line bias valve, modulated downshift valve or 2-3 shift valve stuck
19. Valve body check balls omitted or incorrectly assembled.
2. Oil pump assembly pressure regulator valve spring damaged.
3. Oil pump rotor guide omitted or incorrectly assembled.
4. Oil pump rotor cracked or damaged.
5. T.V. valve and reverse boost valve or bushing stuck, damaged or incorrectly assembled.
6. Orifice hole in pressure regulator valve plugged.
7. Oil pump assembly slide sticking or excessive rotor clearance.
8. Oil pump pressure relief ball not seated or damaged.
9. Oil pump cover or body porous.
10. Incorrect pump cover or defective pump faces.
11. Oil filter intake pipe and filter body restricted or cracked.
12. Oil filter O-ring seal missing, cut or damaged.
13. T.V. exhaust ball stuck or damaged.
14. Throttle lever and bracket assembly or throttle link binding, damaged or incorrectly assembled.
15. Valve body manual valve scored or damaged.
16. Valve body spacer plate or gaskets incorrect, damaged or incorrectly assembled.
17. Valve body throttle valve sticking, sleeve rotated in bore or retaining pin not seated.
18. T.V. limit valve, line bias valve, modulated downshift valve or 2-3 shift valve stuck
19. Valve body check balls omitted or incorrectly assembled.
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.