Operation CHARM: Car repair manuals for everyone.
Home >> Buick >> 1994 >> Roadmaster V8-265 4.3L >> Repair and Diagnosis >> Transmission and Drivetrain >> Automatic Transmission/Transaxle >> Testing and Inspection >> Slips In 1ST Gear
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Slips In 1ST Gear

1. Forward clutch assembly plates worn.
2. Porosity or damage in forward clutch piston.
3. Forward clutch piston inner and outer seals missing, cut or damaged.
4. Input housing to forward clutch housing O-ring seal missing, cut or damaged.
5. Forward clutch housing damaged.
6. Forward clutch housing retainer and ball assembly not sealing or damaged.
7. Turbine shaft seals missing, cut or damaged.
8. Valve body accumulator valve stuck.
9. Valve body face not flat, damaged lands or interconnected passages.
10. Valve body spacer plate or gaskets incorrect, damaged or incorrectly installed.
11. TV cable binding or broken.
12. Damaged ring grooves on 1-2 accumulator piston.
13. 1-2 accumulator piston seal missing, cut or damaged.
14. 1-2 accumulator cover gasket missing or damaged.
15. Leak between 1-2 accumulator piston and pin.
16. Broken 1-2 accumulator spring.
17. Fourth servo piston installed backwards.
18. Incorrect oil pressure. Refer to High Or Low Oil Pressure. Oil Pressure High or Low
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