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.
1978 Chevrolet Hi-Cube 4.8L Eng VIN T, Automatic TransFACTORY OEM SERVICE PROCEDURE
PRESTOLITE Distributors
INTERNATIONAL HARVESTER
| Application(1) | Part No. | |||
|---|---|---|---|---|
| 196" 4 Cyl. | ||||
| Calif. | 484777-C91 | |||
| Federal | 497600-C91 484776-C91 |
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| 304" V8 | ||||
| All Models | 484778-C91 | |||
| 345" V8 | ||||
| Calif. | 484786-C91 | |||
| Federal | 484785-C91 | |||
|
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JEEP
| Application(1) | Part No. | ||||
|---|---|---|---|---|---|
| 0232" & 258" 6 Cyl. | |||||
| All Models | IDJ-4002F | ||||
| 304" V8 | |||||
| Man. Trans. | IDJ-4001G | ||||
| Auto. Trans. | |||||
| Calif. | IDJ-4001G | ||||
| Federal | IDJ-4001E | ||||
| 360" & 401" V8 | |||||
| Man. Trans. | IDJ-4001E | ||||
| Auto. Trans. | IDJ-4001F | ||||
|
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Factory Service Tools
Use the Manual With the Right Hardware
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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.
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