200SX L4-1974cc 2.0L SOHC (CA20E) (1984)
Band Apply Servo: Customer Interest
A/T - 1st - 2nd Gear Shift Shock
Reference:
Date:
TECHNICAL BULLETIN
TS86-176
October 9, 1986
Classification:
Section: Models:
TM86-020
Transmission
1984-1986.5 200SX
1-2 SHIFT SHOCK, 1984-1986.5 200SX
APPLIED MODEL: 1984-1986.5 200SX with automatic transmission
SERVICE INFORMATION
Some 200SX vehicles (see Applied Models) equipped with the automatic transmission may exhibit a shock during the 1st - 2nd upshift. Use the
following Parts Information and Service Procedure to install a new servo piston spring to reduce this shift shock on incident vehicles.
PARTS INFORMATION
PART NUMBER
PART NAME
NEW
FORMER
Servo Piston Spring
31621-X8604
31621-X8601
FIGURE 1 - FABRICATE A SPECIAL TOOL FROM LIGHT SHEET
SERVICE PROCEDURE
Before starting this operation, fabricate a special tool from light sheet metal to the dimensions shown in Figure 1.
Disassembly
1.
Remove transmission oil pan.
2.
Remove the valve body from the transmission.
3.
Position a light to make the servo piston rod and strut visible, then hold the band against the drum by using a screwdriver as a wedge.