Upper Valve Body: Disassembly

Remove the two types of check balls (1) from the valve body.
Number of check ball: 11

Fig 1: Removing Two Types Of Check Balls From Valve Body
Courtesy of ISUZU MOTOR CO.

NOTE: Confirm eight retainers are installed correctly.

Fig 2: Identifying Eight Retainers
Courtesy of ISUZU MOTOR CO.
Remove the retainer (2) for check valve.

Fig 3: Removing Retainer For Check Valve
Courtesy of ISUZU MOTOR CO.
Remove the check valve NO.2 (3), ball (4) and check valve NO.1 (5) from the valve body.

Fig 4: Removing Valve No. 2, Ball & Check Valve
Courtesy of ISUZU MOTOR CO.
Remove the retainer (6) for check valve.

Fig 5: Removing Retainer For Check Valve
Courtesy of ISUZU MOTOR CO.
Remove the check valve NO.2 (7), ball (8) and check valve NO.1 (9) from the valve body.

Fig 6: Removing Valve No. 2, Ball & Check Valve No. 1
Courtesy of ISUZU MOTOR CO.
Remove the retainer (10) for secondary regulator valve with a magnetic finger by pushing the plug.

Fig 7: Removing Retainer For Secondary Regulator Valve
Courtesy of ISUZU MOTOR CO.
Remove the plug (11), secondary regulator valve (12) and spring (13).

Fig 8: Removing Plug, Secondary Regulator Valve & Spring
Courtesy of ISUZU MOTOR CO.
Remove the retainer (14) for 2-3 shift valve with a magnetic finger by pushing the plug.

Fig 9: Removing Retainer For 2-3 Shift Valve With Magnetic Finger
Courtesy of ISUZU MOTOR CO.
Remove the plug (15), spring (16) and 2-3 shift valve (17).

Fig 10: Removing Plug, Spring & 2-3 Shift Valve
Courtesy of ISUZU MOTOR CO.
Remove the retainer (18) for reverse control valve with a magnetic finger by pushing in the plug.

Fig 11: Removing Retainer For Reverse Control Valve With Magnetic Finger
Courtesy of ISUZU MOTOR CO.
Remove the plug (19), spring (20) and reverse control valve (21).

Fig 12: Removing Plug, Spring & Reverse Control Valve
Courtesy of ISUZU MOTOR CO.
Remove the retainer (22) for second coast modulator valve with a magnetic finger by pushing the plug.

Fig 13: Removing Retainer For Second Coast Modulator Valve With Magnetic Finger
Courtesy of ISUZU MOTOR CO.
Remove the plug (23), second coast modulator valve (24) and spring (25).

Fig 14: Removing Plug, Second Coast Modulator Valve & Spring
Courtesy of ISUZU MOTOR CO.
Remove the retainer (26) for 3-4 shift valve with a magnetic finger by pushing the plug.

Fig 15: Removing Retainer For 3-4 Shift Valve With Magnetic Finger
Courtesy of ISUZU MOTOR CO.
Remove the plug (27), 3-4 shift valve (28) and spring (29).

Fig 16: Removing Plug, 3-4 Shift Valve & Spring
Courtesy of ISUZU MOTOR CO.
Remove the retainer (30) for lock-up relay valve with a magnetic finger by pushing in the sleeve.

Fig 17: Removing Retainer For Lock-Up Relay Valve With Magnetic Finger
Courtesy of ISUZU MOTOR CO.
Remove the sleeve (31) with the plunger (32), spring (33) and lock-up relay valve (34).
Remove the lock-up relay valve (34), spring (33) and plunger (32) from the sleeve (31).

Fig 18: Removing Sleeve With Plunger
Courtesy of ISUZU MOTOR CO.