Mercedes-Benz Sprinter / Dodge Sprinter. Manual — part 457
(13) Remove the strainers (1, 2) for the modulating
pressure and shift pressure control solenoid valves
(Fig. 129) from the valve housing.
(14) Remove the strainer (1) (Fig. 130) in the inlet
to torque converter lock-up control solenoid valve.
NOTE: A total of 12 valve balls are located in the
valve body, four made from plastic (4) and eight
from steel (1, 3).
(15) Note the location of all check balls (1, 3, 4)
(Fig. 131) and the central strainer (2) for re-installa-
tion. Remove all check balls (1, 3, 4) and the central
strainer (2).
Fig. 130 Converter Lock-up Solenoid Valve Strainer
Location
1 - CONVERTER LOCK-UP SOLENOID STRAINER
Fig. 131 Check Balls and Strainer Location
1 - STEEL CHECK BALLS
2 - CENTRAL STRAINER
3 - STEEL CHECK BALLS
4 - PLASTIC CHECK BALLS
5 - PLAIN DOWEL PIN
VA
AUTOMATIC TRANSMISSION NAG1 - SERVICE INFORMATION
21 - 123
(16) Remove the screws holding the side covers to
the valve body and valve housing.
(17) Remove all valves and springs from the valve
body (1) (Fig. 132). Check all valves for ease of move-
ment and shavings.
NOTE: The sleeves and pistons of the overlap reg-
ulating valves must not be mixed up.
Fig. 132 Valve Body Components
1 - VALVE BODY
8 - SHIFT VALVE PRESSURE REGULATING VALVE
2 - 1-2/4-5 COMMAND VALVE
9 - B2 SHIFT VALVE
3 - 1-2/4-5 HOLDING PRESSURE SHIFT VALVE
10 - 2-3 HOLDING PRESSURE SHIFT VALVE
4 - 1-2/4-5 SHIFT PRESSURE SHIFT VALVE
11 - 2-3 COMMAND VALVE
5 - 1-2/4-5 OVERLAP REGULATING VALVE, SLEEVE, AND PIS-
TON
12 - 2-3 SHIFT PRESSURE SHIFT VALVE
6 - SHIFT PRESSURE REGULATING VALVE
13 - TCC LOCK-UP REGULATING VALVE
7 - REGULATING VALVE PRESSURE REGULATING VALVE
14 - TCC DAMPER VALVE - if equipped
21 - 124
AUTOMATIC TRANSMISSION NAG1 - SERVICE INFORMATION
VA
(18) Remove all valves and springs from the valve
housing (2) (Fig. 133). Check all valves for ease of
movement and shavings.
(19) Remove the pressure supply valve (1) (Fig.
134) from the valve body.
ASSEMBLY
NOTE: Pay great attention to cleanliness for all work
on the shift plate. Fluffy cloths must not be used.
Leather cloths are particularly good. After dismantling,
all parts must be washed and blown out with com-
pressed-air, noting that parts may be blown away.
(1) Install the pressure supply valve (1) (Fig. 135)
into the valve body.
Fig. 133 Valve Housing Components
1 - 2-3 OVERLAP REGULATING VALVE, SLEEVE, AND PISTON
6 - 3-4 SHIFT PRESSURE SHIFT VALVE
2 - VALVE HOUSING
7 - 3-4 OVERLAP REGULATING VALVE, SLEEVE, AND PISTON
3 - SELECTOR VALVE
8 - OPERATING PRESSURE REGULATING VALVE
4 - 3-4 HOLDING PRESSURE SHIFT VALVE
9 - LUBRICATING PRESSURE REGULATING VALVE
5 - 3-4 COMMAND VALVE
Fig. 134 Pressure Feed Valve Location
1 - PRESSURE FEED VALVE
Fig. 135 Pressure Feed Valve Location
1 - PRESSURE FEED VALVE
VA
AUTOMATIC TRANSMISSION NAG1 - SERVICE INFORMATION
21 - 125
NOTE: The sleeves and pistons of the overlap reg-
ulating valves must not be mixed up.
(2) Install all valves and springs from the valve
body (1) (Fig. 136). Check all valves for ease of move-
ment and shavings.
(3) Install the screws to hold the side covers to the
valve body. Tighten the screws to 4 N·m (35 in.lbs.).
Fig. 136 Valve Body Components
1 - VALVE BODY
8 - SHIFT VALVE PRESSURE REGULATING VALVE
2 - 1-2/4-5 COMMAND VALVE
9 - B2 SHIFT VALVE
3 - 1-2/4-5 HOLDING PRESSURE SHIFT VALVE
10 - 2-3 HOLDING PRESSURE SHIFT VALVE
4 - 1-2/4-5 SHIFT PRESSURE SHIFT VALVE
11 - 2-3 COMMAND VALVE
5 - 1-2/4-5 OVERLAP REGULATING VALVE, SLEEVE, AND PIS-
TON
12 - 2-3 SHIFT PRESSURE SHIFT VALVE
6 - SHIFT PRESSURE REGULATING VALVE
13 - TCC LOCK-UP REGULATING VALVE
7 - REGULATING VALVE PRESSURE REGULATING VALVE
14 - TCC DAMPER VALVE - if equipped
21 - 126
AUTOMATIC TRANSMISSION NAG1 - SERVICE INFORMATION
VA
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст