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.
GMC: 1966
1966 GMCSECTION 1966
- 1000
- 4.1L Eng, Automatic Trans
- 4.1L Eng, Standard Trans, Trans Mfr CD 435GA
- 4.1L Eng, Standard Trans, Trans Mfr CD 435GL
- 4.1L Eng, Standard Trans, Trans Mfr CD SM326
- 4.1L Eng, Standard Trans, Trans Mfr CD SM420
- 4.1L Eng, Standard Trans, Trans Mfr CD T89
- 5.0L Eng, Automatic Trans
- 5.0L Eng, Standard Trans, Trans Mfr CD 435GA
- 5.0L Eng, Standard Trans, Trans Mfr CD 435GL
- 5.0L Eng, Standard Trans, Trans Mfr CD SM326
- 5.0L Eng, Standard Trans, Trans Mfr CD SM420
- 5.0L Eng, Standard Trans, Trans Mfr CD T89
- 1500
- 2500
- 3000
- 3500
- G1000 Series
- 2.5L Eng, Automatic Trans
- 2.5L Eng, Not Available Trans
- 2.5L Eng, Standard Trans, Trans Mfr CD A745G
- 2.5L Eng, Standard Trans, Trans Mfr CD SM326
- 2.5L Eng, Standard Trans, Trans Mfr CD SM420
- 2.5L Eng, Standard Trans, Trans Mfr CD T89
- 3.2L Eng, Automatic Trans
- 3.2L Eng, Not Available Trans
- 3.2L Eng, Standard Trans, Trans Mfr CD A745G
- 3.2L Eng, Standard Trans, Trans Mfr CD SM326
- 3.2L Eng, Standard Trans, Trans Mfr CD SM420
- 3.2L Eng, Standard Trans, Trans Mfr CD T89
- 3.8L Eng VIN S, Automatic Trans
- 3.8L Eng VIN S, Not Available Trans
- 3.8L Eng VIN S, Standard Trans, Trans Mfr CD A745G
- 3.8L Eng VIN S, Standard Trans, Trans Mfr CD SM326
- 3.8L Eng VIN S, Standard Trans, Trans Mfr CD SM420
- 3.8L Eng VIN S, Standard Trans, Trans Mfr CD T89
- I1000
- I1500
- I2500
- I3500
- K1000
- 5.0L Eng, Eng CD 305, Automatic Trans
- 5.0L Eng, Eng CD 305, Standard Trans, Trans Mfr CD 435GA
- 5.0L Eng, Eng CD 305, Standard Trans, Trans Mfr CD 435GL
- 5.0L Eng, Eng CD 305, Standard Trans, Trans Mfr CD A745G
- 5.0L Eng, Eng CD 305, Standard Trans, Trans Mfr CD SM326
- 5.0L Eng, Eng CD 305, Standard Trans, Trans Mfr CD SM420
- 5.0L Eng, Eng CD 305, Standard Trans, Trans Mfr CD T89
- 5.0L Eng, Eng CD 305C, Automatic Trans
- 5.0L Eng, Eng CD 305C, Standard Trans, Trans Mfr CD 435GA
- 5.0L Eng, Eng CD 305C, Standard Trans, Trans Mfr CD 435GL
- 5.0L Eng, Eng CD 305C, Standard Trans, Trans Mfr CD A745G
- 5.0L Eng, Eng CD 305C, Standard Trans, Trans Mfr CD SM326
- 5.0L Eng, Eng CD 305C, Standard Trans, Trans Mfr CD SM420
- 5.0L Eng, Eng CD 305C, Standard Trans, Trans Mfr CD T89
- 5.0L Eng, Eng CD 305E, Automatic Trans
- 5.0L Eng, Eng CD 305E, Standard Trans, Trans Mfr CD 435GA
- 5.0L Eng, Eng CD 305E, Standard Trans, Trans Mfr CD 435GL
- 5.0L Eng, Eng CD 305E, Standard Trans, Trans Mfr CD A745G
- 5.0L Eng, Eng CD 305E, Standard Trans, Trans Mfr CD SM326
- 5.0L Eng, Eng CD 305E, Standard Trans, Trans Mfr CD SM420
- 5.0L Eng, Eng CD 305E, Standard Trans, Trans Mfr CD T89
- 5.7L Eng, Eng CD 351, Automatic Trans
- 5.7L Eng, Eng CD 351, Standard Trans, Trans Mfr CD 435GA
- 5.7L Eng, Eng CD 351, Standard Trans, Trans Mfr CD 435GL
- 5.7L Eng, Eng CD 351, Standard Trans, Trans Mfr CD A745G
- 5.7L Eng, Eng CD 351, Standard Trans, Trans Mfr CD SM326
- 5.7L Eng, Eng CD 351, Standard Trans, Trans Mfr CD SM420
- 5.7L Eng, Eng CD 351, Standard Trans, Trans Mfr CD T89
- 5.7L Eng, Eng CD 351C, Automatic Trans
- 5.7L Eng, Eng CD 351C, Standard Trans, Trans Mfr CD 435GA
- 5.7L Eng, Eng CD 351C, Standard Trans, Trans Mfr CD 435GL
- 5.7L Eng, Eng CD 351C, Standard Trans, Trans Mfr CD A745G
- 5.7L Eng, Eng CD 351C, Standard Trans, Trans Mfr CD SM326
- 5.7L Eng, Eng CD 351C, Standard Trans, Trans Mfr CD SM420
- 5.7L Eng, Eng CD 351C, Standard Trans, Trans Mfr CD T89
- 5.7L Eng, Eng CD 351E, Automatic Trans
- 5.7L Eng, Eng CD 351E, Standard Trans, Trans Mfr CD 435GA
- 5.7L Eng, Eng CD 351E, Standard Trans, Trans Mfr CD 435GL
- 5.7L Eng, Eng CD 351E, Standard Trans, Trans Mfr CD A745G
- 5.7L Eng, Eng CD 351E, Standard Trans, Trans Mfr CD SM326
- 5.7L Eng, Eng CD 351E, Standard Trans, Trans Mfr CD SM420
- 5.7L Eng, Eng CD 351E, Standard Trans, Trans Mfr CD T89
- 5.7L Eng, Eng CD 351M, Automatic Trans
- 5.7L Eng, Eng CD 351M, Standard Trans, Trans Mfr CD 435GA
- 5.7L Eng, Eng CD 351M, Standard Trans, Trans Mfr CD 435GL
- 5.7L Eng, Eng CD 351M, Standard Trans, Trans Mfr CD A745G
- 5.7L Eng, Eng CD 351M, Standard Trans, Trans Mfr CD SM326
- 5.7L Eng, Eng CD 351M, Standard Trans, Trans Mfr CD SM420
- 5.7L Eng, Eng CD 351M, Standard Trans, Trans Mfr CD T89
- K1000 Pickup
- K15/K1500 Pickup
- 5.0L Eng, Eng CD 305, Automatic Trans, Trans Mfr CD AT218
- 5.0L Eng, Eng CD 305, Automatic Trans, Trans Mfr CD Powerglide
- 5.0L Eng, Eng CD 305, Automatic Trans, Trans Mfr CD THM400
- 5.0L Eng, Eng CD 305, Not Available Trans
- 5.0L Eng, Eng CD 305, Standard Trans, Trans Mfr CD 435GA
- 5.0L Eng, Eng CD 305, Standard Trans, Trans Mfr CD 435GL
- 5.0L Eng, Eng CD 305, Standard Trans, Trans Mfr CD A745G
- 5.0L Eng, Eng CD 305, Standard Trans, Trans Mfr CD SM326
- 5.0L Eng, Eng CD 305, Standard Trans, Trans Mfr CD SM420
- 5.0L Eng, Eng CD 305, Standard Trans, Trans Mfr CD T89
- 5.0L Eng, Eng CD 305C, Automatic Trans, Trans Mfr CD AT218
- 5.0L Eng, Eng CD 305C, Automatic Trans, Trans Mfr CD Powerglide
- 5.0L Eng, Eng CD 305C, Automatic Trans, Trans Mfr CD THM400
- 5.0L Eng, Eng CD 305C, Not Available Trans
- 5.0L Eng, Eng CD 305C, Standard Trans, Trans Mfr CD 435GA
- 5.0L Eng, Eng CD 305C, Standard Trans, Trans Mfr CD 435GL
- 5.0L Eng, Eng CD 305C, Standard Trans, Trans Mfr CD A745G
- 5.0L Eng, Eng CD 305C, Standard Trans, Trans Mfr CD SM326
- 5.0L Eng, Eng CD 305C, Standard Trans, Trans Mfr CD SM420
- 5.0L Eng, Eng CD 305C, Standard Trans, Trans Mfr CD T89
- 5.0L Eng, Eng CD 305E, Automatic Trans, Trans Mfr CD AT218
- 5.0L Eng, Eng CD 305E, Automatic Trans, Trans Mfr CD Powerglide
- 5.0L Eng, Eng CD 305E, Automatic Trans, Trans Mfr CD THM400
- 5.0L Eng, Eng CD 305E, Not Available Trans
- 5.0L Eng, Eng CD 305E, Standard Trans, Trans Mfr CD 435GA
- 5.0L Eng, Eng CD 305E, Standard Trans, Trans Mfr CD 435GL
- 5.0L Eng, Eng CD 305E, Standard Trans, Trans Mfr CD A745G
- 5.0L Eng, Eng CD 305E, Standard Trans, Trans Mfr CD SM326
- 5.0L Eng, Eng CD 305E, Standard Trans, Trans Mfr CD SM420
- 5.0L Eng, Eng CD 305E, Standard Trans, Trans Mfr CD T89
- 5.7L Eng, Eng CD 351, Automatic Trans, Trans Mfr CD AT218
- 5.7L Eng, Eng CD 351, Automatic Trans, Trans Mfr CD Powerglide
- 5.7L Eng, Eng CD 351, Automatic Trans, Trans Mfr CD THM400
- 5.7L Eng, Eng CD 351, Not Available Trans
- 5.7L Eng, Eng CD 351, Standard Trans, Trans Mfr CD 435GA
- 5.7L Eng, Eng CD 351, Standard Trans, Trans Mfr CD 435GL
- 5.7L Eng, Eng CD 351, Standard Trans, Trans Mfr CD A745G
- 5.7L Eng, Eng CD 351, Standard Trans, Trans Mfr CD SM326
- 5.7L Eng, Eng CD 351, Standard Trans, Trans Mfr CD SM420
- 5.7L Eng, Eng CD 351, Standard Trans, Trans Mfr CD T89
- 5.7L Eng, Eng CD 351C, Automatic Trans, Trans Mfr CD AT218
- 5.7L Eng, Eng CD 351C, Automatic Trans, Trans Mfr CD Powerglide
- 5.7L Eng, Eng CD 351C, Automatic Trans, Trans Mfr CD THM400
- 5.7L Eng, Eng CD 351C, Not Available Trans
- 5.7L Eng, Eng CD 351C, Standard Trans, Trans Mfr CD 435GA
- 5.7L Eng, Eng CD 351C, Standard Trans, Trans Mfr CD 435GL
- 5.7L Eng, Eng CD 351C, Standard Trans, Trans Mfr CD A745G
- 5.7L Eng, Eng CD 351C, Standard Trans, Trans Mfr CD SM326
- 5.7L Eng, Eng CD 351C, Standard Trans, Trans Mfr CD SM420
- 5.7L Eng, Eng CD 351C, Standard Trans, Trans Mfr CD T89
- 5.7L Eng, Eng CD 351E, Automatic Trans, Trans Mfr CD AT218
- 5.7L Eng, Eng CD 351E, Automatic Trans, Trans Mfr CD Powerglide
- 5.7L Eng, Eng CD 351E, Automatic Trans, Trans Mfr CD THM400
- 5.7L Eng, Eng CD 351E, Not Available Trans
- 5.7L Eng, Eng CD 351E, Standard Trans, Trans Mfr CD 435GA
- 5.7L Eng, Eng CD 351E, Standard Trans, Trans Mfr CD 435GL
- 5.7L Eng, Eng CD 351E, Standard Trans, Trans Mfr CD A745G
- 5.7L Eng, Eng CD 351E, Standard Trans, Trans Mfr CD SM326
- 5.7L Eng, Eng CD 351E, Standard Trans, Trans Mfr CD SM420
- 5.7L Eng, Eng CD 351E, Standard Trans, Trans Mfr CD T89
- 5.7L Eng, Eng CD 351M, Automatic Trans, Trans Mfr CD AT218
- 5.7L Eng, Eng CD 351M, Automatic Trans, Trans Mfr CD Powerglide
- 5.7L Eng, Eng CD 351M, Automatic Trans, Trans Mfr CD THM400
- 5.7L Eng, Eng CD 351M, Not Available Trans
- 5.7L Eng, Eng CD 351M, Standard Trans, Trans Mfr CD 435GA
- 5.7L Eng, Eng CD 351M, Standard Trans, Trans Mfr CD 435GL
- 5.7L Eng, Eng CD 351M, Standard Trans, Trans Mfr CD A745G
- 5.7L Eng, Eng CD 351M, Standard Trans, Trans Mfr CD SM326
- 5.7L Eng, Eng CD 351M, Standard Trans, Trans Mfr CD SM420
- 5.7L Eng, Eng CD 351M, Standard Trans, Trans Mfr CD T89
- L3500
- 5.0L Eng, Automatic Trans
- 5.0L Eng, Standard Trans, Trans Mfr CD 435GA
- 5.0L Eng, Standard Trans, Trans Mfr CD 435GL
- 5.0L Eng, Standard Trans, Trans Mfr CD SM326
- 5.0L Eng, Standard Trans, Trans Mfr CD SM420
- 5.7L Eng, Eng CD 351, Automatic Trans
- 5.7L Eng, Eng CD 351, Standard Trans, Trans Mfr CD 435GA
- 5.7L Eng, Eng CD 351, Standard Trans, Trans Mfr CD 435GL
- 5.7L Eng, Eng CD 351, Standard Trans, Trans Mfr CD SM326
- 5.7L Eng, Eng CD 351, Standard Trans, Trans Mfr CD SM420
- 5.7L Eng, Eng CD 351C, Automatic Trans
- 5.7L Eng, Eng CD 351C, Standard Trans, Trans Mfr CD 435GA
- 5.7L Eng, Eng CD 351C, Standard Trans, Trans Mfr CD 435GL
- 5.7L Eng, Eng CD 351C, Standard Trans, Trans Mfr CD SM326
- 5.7L Eng, Eng CD 351C, Standard Trans, Trans Mfr CD SM420
- 5.7L Eng, Eng CD 351E, Automatic Trans
- 5.7L Eng, Eng CD 351E, Standard Trans, Trans Mfr CD 435GA
- 5.7L Eng, Eng CD 351E, Standard Trans, Trans Mfr CD 435GL
- 5.7L Eng, Eng CD 351E, Standard Trans, Trans Mfr CD SM326
- 5.7L Eng, Eng CD 351E, Standard Trans, Trans Mfr CD SM420
- 5.7L Eng, Eng CD 351M, Automatic Trans
- 5.7L Eng, Eng CD 351M, Standard Trans, Trans Mfr CD 435GA
- 5.7L Eng, Eng CD 351M, Standard Trans, Trans Mfr CD 435GL
- 5.7L Eng, Eng CD 351M, Standard Trans, Trans Mfr CD SM326
- 5.7L Eng, Eng CD 351M, Standard Trans, Trans Mfr CD SM420
- LI3500
- P1000
- 2.5L Eng, Automatic Trans
- 2.5L Eng, Standard Trans, Trans Mfr CD SM326
- 2.5L Eng, Standard Trans, Trans Mfr CD SM420
- 2.5L Eng, Standard Trans, Trans Mfr CD T89
- 3.2L Eng, Automatic Trans
- 3.2L Eng, Standard Trans, Trans Mfr CD SM326
- 3.2L Eng, Standard Trans, Trans Mfr CD SM420
- 3.2L Eng, Standard Trans, Trans Mfr CD T89
- 3.8L Eng VIN S, Automatic Trans
- 3.8L Eng VIN S, Standard Trans, Trans Mfr CD SM326
- 3.8L Eng VIN S, Standard Trans, Trans Mfr CD SM420
- 3.8L Eng VIN S, Standard Trans, Trans Mfr CD T89
- PB1000 Series
- 2.5L Eng, Automatic Trans
- 2.5L Eng, Not Available Trans
- 2.5L Eng, Standard Trans, Trans Mfr CD SM326
- 2.5L Eng, Standard Trans, Trans Mfr CD SM420
- 3.2L Eng, Automatic Trans
- 3.2L Eng, Not Available Trans
- 3.2L Eng, Standard Trans, Trans Mfr CD SM326
- 3.2L Eng, Standard Trans, Trans Mfr CD SM420
- 3.8L Eng VIN S, Automatic Trans
- 3.8L Eng VIN S, Not Available Trans
- 3.8L Eng VIN S, Standard Trans, Trans Mfr CD SM326
- 3.8L Eng VIN S, Standard Trans, Trans Mfr CD SM420
- PB15 Series
- PB25 Series
- PB2500 Van
- PB3500 Van
- Suburban
Database: LEMON
LEMON manuals were retrieved in late 2025. For very old vehicles, they are not very detailed.
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.