Automatic transmission-51
Table 6.2.3
Shifting quality failure
Bad 1→2 Gear
shifting quality
The throttle position sensor has failure.
The brake belt is adjusted incorrectly.
The front servo piston O-ring is damaged.
The variable pressure solenoid valve (S5) is damaged or
has failure.
S1, S4 has the failure.
The brake belt combination regulating valve (BAR) has
the failure.
The front servo release spring is installed incorrectly.
Detect the resistance, replace the sensor if
necessary.
Detect and replace the rake belt if necessary.
Detect and replace the O-ring if necessary.
Detect, repair or replace the S5 if necessary.
Detect, repair or replace the S1, S4 if
necessary.
Detect, repair or replace the BAR if
necessary.
Detect and repair it if necessary.
Bad 2→3 Gear
shifting quality
B1brake belt release valve is blocked.
S3, S2 has the failure.
The clutch combination regulating valve has failure.
The clutch combination oil feed ball spool is lost or
damaged.
The input shaft oil seal is damaged.
C1 piston O-ring is damaged.
C1 piston oil feed ball spool is damaged.
Detect the blow-off valve. Replace or
maintain it if necessary.
Detect the S3, S2.Replace or maintain it if
necessary.
Detect the regulating valve. Replace or
maintain it if necessary.
Detect the ball spool .Reinstall or replace it if
necessary.
Detect the sealing ring. Reinstall or replace it
if necessary.
Detect the O-ring .Reinstall or replace it if
necessary.
Detect the ball spool .Reinstall or replace it if
necessary.
Bad 3→4 Gear
shifting quality
S1, S4 has failure.
B1brake belt release valve is blocked.
The brake belt is adjusted incorrectly.
The front servo piston O-ring is damaged.
The variable pressure solenoid valve (S5) is damaged or
has failure.
The brake belt combination regulating valve has failure.
Detect the S1, S4.Reinstall or replace it if
necessary.
Detect the blow-off valve. Replace or repair
it if necessary.
Detect the brake belt. Adjust it if necessary.
Detect the O-ring .Replace or maintain it if
necessary.
Detect the S5.Replace or maintain it if
necessary.
Detect the regulating valve. Replace or
maintain it if necessary.
The engine has
the
extinguishing
condition
when select
the automatic
gear or R-gear.
The torque converter clutch control valve is blocked or
solenoid valve 7 has failure.
Detect and clean the torque converter clutch
valve (CCCV)
Has unstable
vibration
condition.
S7 has the failure.
Process the necessary detection, maintenance
and replacement according to the
requirement.