Automatic gearbox - JF403E (Stall test): Adjustments

STALL TEST

Service repair no - 44.30.13

CAUTION: If the pressure test shows a low line pressure or there is apparent clutch slip on road test, DO NOT carry out a stall test.

1. Check engine oil level. See ENGINE - ’KV6’, Adjustments.
2. Check automatic transmission fluid level. See this section.
3. Run engine until engine and transmission have reached normal operating temperature.
4. Apply handbrake and chock road wheels
5. Start engine and allow to idle.
6. Apply foot brake, move gear selector lever to ’D’ position.
7. Slowly press accelerator pedal to fully open position and note the engine rev/min when it stabilises on the tachometer, then release the accelerator pedal. Stall speed = 2550 - 2850 rev/min.
8. Select ’N’ position on selector lever and run engine at 1200 rev/min for 1 minute, (this cools the transmission).
9. Repeat operations 6 & 7 in gear selector positions ’3’,’2’,’1’ and ’R’ and note each rev/min reading.

CAUTION: To avoid overheating the transmission DO NOT let each test exceed more than 5 seconds.

AUTOMATIC GEARBOX - PRESSURE TEST

Service repair no - 44.30.29

1. Carry out level checks of engine oil, coolant and gearbox fluid.
2. Run engine until engine and transmission have reached normal operating temperature.
3. Apply handbrake and chock road wheels

4. Remove line pressure plug and fit adapter, tool 18G 677-B to gearbox.
5. Position and connect pressure gauge, tool 18G 1554 to adapter.
6. Start engine and allow to idle.