TEST ONE-SELECTOR IN LOW (1st GEAR)
- Attach pressure gauge to the low/reverse clutch tap.
- Move selector lever to the (L) position.
- Allow vehicle wheels to turn and increase throttle opening to achieve an indicated vehicle speed to 20 mph.
- Low/reverse clutch pressure should read 115 to 145 psi.
- This test checks pump output, pressure regulation and condition of the low/reverse clutch hydraulic circuit and shift schedule.