Operation CHARM: Car repair manuals for everyone.

Harsh Reverse

HARSH REVERSE ENGAGEMENT
1. Electrical inputs/outputs, vehicle wiring harnesses, Powertrain Control Module (PCM), Electronic Pressure Control (EPC) solenoid, Transmission Oil Temperature (TOT) sensor, Turbine Speed Sensor (TSS), Manual Lever Position (MLP) sensor.
2. Incorrect fluid level.
3. Shift linkage damaged or misadjusted.
4. Line pressure high, EPC pressure high.
5. Plugged oil filter, filter, and/or seal damaged.
6. Main control valve body retaining bolts loose.
7. Main control valve body gaskets damaged or mispositioned.
8. Main control valve body valves stuck or damaged.
9. Oil pump loose, gasket damaged, or mispositioned.
10. Oil pump case leaking or damaged.
11. Reverse clutch assembly friction elements worn or damaged.
12. Reverse clutch apply-oil transfer tube leaking or improperly installed.
13. Reverse clutch return spring piston worn or damaged.