Discovery II (LT) V8-4.6L (2003)
Fluid Pressure Sensor/Switch: All Technical Service Bulletins
A/T - Harsh, Abrupt, Jerky Shifting
No:
44/01/03/NAS
Ref:
Issue:
1
Date:
09/12/03
Shift Quality Improvement
AFFECTED VEHICLE RANGE:
Discovery Series II (LT)
3A802660 to 3A822152
SITUATION:
HARSH OR ABRUPT SHIFTS
The customer may complain that transmission shift patterns are abrupt or jerky. The fine filter mesh of the pressure regulator may become blocked and
cause harsh shifts from 1 to 2, 3 to 2, and 2 to 1.
RESOLUTION:
REPLACE PRESSURE REGULATOR SOLENOID VALVE
Should a customer express concern regarding the shift quality, after verification of the problem replace the automatic transmission pressure regulator
solenoid valve with a new specification solenoid valve with a larger screen mesh.
PARTS INFORMATION:
TJD000010
Pressure Regulator Solenoid Valve and Housing Qty 1
RTC4268
Transmission Sump Gasket
Qty 1
RTC4276
Filter 0-ring
Qty 1
STC1060
Drain Plug Washer
Qty 1
RTC5818
Filter 0-ring
Qty 1
TYF101170
Level Plug Washer
Qty 1
TYX000010L
Electrical Connector O-ring
Qty 1
WARRANTY CLAIMS:
44.40.22
Time 1.40 hrs.
Confirm complaint and install new specification solenoid valve
FAULT CODE: S
Normal warranty policy and procedures apply.
Material allowance is included in labor operation.
REPAIR PROCEDURE
REPLACE PRESSURE REGULATOR SOLENOID
1.
Refer to RAVE section 44.40.01 and remove the automatic transmission valve body assembly.
2.
Place the valve body assembly on a clean workbench with pressure regulator side facing upwards.