SECTION 5
TROUBLESHOOTING
TABLE 5-3. TROUBLE ANALYSIS FOR ELECTRICAL SYSTEM (CONT.).
TROUBLE
PROBABLE CAUSE
CORRECTIVE ACTION
Check resistance of solenoid(s)
Open solenoid winding.
Motor Operates But
winding. Replace if winding is
Solenoid Not
o p e n c i r c u i t e d . Resistance should
Energized
be approximately 18 OHM.
Check resistance of solenoid(s)
Shorted or grounded solenoid
winding. Replace if winding is
winding.
shorted or grounded. Resistance
should be approximately 18 OHM.
TABLE 5-4. TROUBLE ANALYSIS FOR TRANSMISSION & TORQUE CONVERTER.
NOTE: Troubleshooting should always start by making certain preliminary checks before it is
assumed that the transmission is faulty, or before carrying out any other troubleshooting
procedures.
1. Check the coolant level in the engine radiator.
A low oil level
2. Check the oil level in the transmission.
can affect the
operation of the transmission and may indicate fluid leaks that could cause
transmission damage. A high oil level can cause foaming of the oil which,
in turn, may result in clutch slippage or leakage at the breather or filler tube.
governor. Make sure that the
3. Check the adjustment of the
engine starts to rev up immediately after the accelerator pedal is depressed.
All interferences that limit top engine RPM should be remedied.
CORRECTIVE ACTION
PROBABLE CAUSE
TROUBLE
FORWARD-REVERSE TRANSMISSION
Adjust idle speed to 550 RPM.
Jerking Starts
Idle speed too low.
Adjust control valve so that it is
Control valve out of adjustment.
completely open before the engine
starts to rev up.
Adjust to proper level.
Transmission
Improper oil level.
Overheating
Inspect the control and linkage for
Abnormal clutch slipping.
malfunction. Check the control
valve for proper pressure. Inspect
the oil pump for proper performance.
Replace the clutch pack that is
Glazed or wrong clutch friction
slipping.
disc and/or separator plates.
Check oil pressure and adjust to
Insufficient
clutch
pressure.
specified PSI if necessary.
5-47.
