Intermittent Failures
The term "intermittent failure" means a system may
have had a failure, but it checks OK now. If the
malfunction indicator lamp (MIL) on the dash does not
come on, check for poor
Electronic Control System
The functions of the fuel and emission control systems are managed by the
powertrain control module (PCM).
Self-diagnosis
The PCM detects a failure of a signal from a sensor
Pump Pressure Test with T/N 07406-0010001
Special Tools Required
P/S joint adapter (pump) 07ZAK-S7C0100
P/S joint adapter (hose) 07ZAK-S7C0200
P/S pressure gauge 07406-0010001
Check the fluid pressure as follows to determine
whether the trouble is in the pump or steering gearbox.
1. Check the
1. Remove the piston from the engine block.
2. Using a ring expander (A), remove the old piston
rings (B).
3. Clean all ring grooves thoroughly with a squared-off
broken ring or ring groove cleaner with a blade
to fit the piston grooves.
The top and 2nd ring grooves are 1.2 mm (0.05 in.)
wide. Th