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.
1968 Chevrolet Biscayne 5.3L Eng, Automatic Trans, Trans Mfr CD PowerglideFACTORY OEM SERVICE PROCEDURE
1970 CHEVROLET
| Code | Displ. & Carb. | Horsepower | ||
|---|---|---|---|---|
| CCG, CCH, CCK, CCL, CCM, CCI, CRG | 250" 6 1-Bbl. | 155 HP | ||
| CCJ | 250" 6 1-Bbl. | (1) | ||
| CND, CNP, CNU, CNV, CNW, CNX | 350" V8 2-Bbl. | 250 HP | ||
| CNY, CNZ | 350" V8 2-Bbl. | (1) | ||
| CNQ, CNR, CNS, CNT | 350" V8 4-Bbl. | 300 HP | ||
| CGR | 400" V8 2-Bbl. | 265 HP | ||
| CGS, CGV | 454" V8 4-Bbl. | 345 HP | ||
| CGT, CGU | 454" V8 4-Bbl. | 390 HP | ||
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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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