Hydraulic Test (A340E) - Toyota Hilux Surf 1993 Owner's Manual

AT–76
HYDRAULIC TEST
PREPARATION
(a) Warm up the transmission fluid.
(b) Remove the transmission case test plug and connect the hydraulic pressure gauge.
SST 09992–00094 (Oil pressure gauge)
NOTICE:
Perform the test at normal operating fluid temperature (50–80
The line pressure test should always be carried out in pairs. One should observe the conditions of
wheels or wheel stoppers outside the vehicle while the other is performing the test.
MEASURE LINE PRESSURE
(a) Fully apply the parking brake and chock the four wheels.
(b) Start the engine and check idling rpm.
(c) Keep your left foot pressed firmly on the brake pedal and shift into D position.
(d) Measure the line pressure when the engine is idling.
(e) Press the accelerator pedal all the way down. Quickly read the highest line pressure when engine
speed reaches stall speed.
NOTICE: Release the accelerator pedal and stop test if the rear wheels begin to rotate before the
en–
gine speed reaches specified stall speed.
(f) In the same manner, perform the test in R position.
D position
Idling
If the measured pressures are not up to specified values, recheck the throttle cable adjustment and
perform a retest.
AUTOMATIC TRANSMISSION
Stall
– Troubleshooting (Mechanical System Tests)
C or 122–176
E
R position
Idling
F).
E
kPa (kgf/cm2,psi)
Stall