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.
1966 Chevrolet P30 Series 4.8L Eng, Automatic Trans, Trans Mfr CD PowerglideFACTORY OEM SERVICE PROCEDURE
Mechanical EFE Devices
| Condition | Code | Procedure |
|---|---|---|
| Broken | A | Require replacement of affected parts |
| Diaphragm Inoperative | A | Require replacement |
|
NOTE:
If the inoperative diaphragm is separate from the heat riser, then require replacement of the inoperative diaphragm. If the inoperative diaphragm is part of the heat riser, then replace the heatriser
|
||
| Leaking | B | Require repair or replacement |
| Noisy | 2 | Suggest repair or replacement of affected parts |
| Seized | A | Require repair or replacement of affected arts |
| Spring broken | B | Require replacement of spring(s) |
| Spring Inoperative | A | Require replacement of spring(s) |
Factory Service Tools
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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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