AW50-42LE ATSG
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Transcript of AW50-42LE ATSG
8/20/2019 AW50-42LE ATSG
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Technical Service Information
AUTOMATIC TRANSMISSION SERVICE GROUP
Copyright © 2003 ATSG
03-34Page 1 of 11
VOLVO/SAAB AW50-42LE
VALVE BODY EXPLODED VIEWSAND IDENTIFICATION OF COMPONENTS
Refer to F igure 1 for Solenoid identif ication and locations on the valve body.
Refer to F igure 2 for valve identif ication and locations in the " Upper" valve body.
Refer to Fi gure 3 for valve identif ication and locations in the " Center" valve body, " F ront" side.
Refer to F igure 4 for valve identif ication and locations in the " Center" valve body, " Rear" side.
Refer to Fi gure 5 for valve identif ication and locations in the " Lower" valve body, " Front" side.
Refer to F igure 6 for valve identif ication and locations in the " Lower" valve body, " Rear" side.
Refer to F igure 7 for il lustrations of the typical spacer plates.
Refer to F igure 8 for the check valve and check ball locations in the " Lower" valve body.
Refer to F igure 9 for the screen locations in the " Center" valve body, " Upper" valve body side.
Refer to Figure 10 for the check valve and check ball locations in the " Center" valve body, " Lower"
valve body side.
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9
9 2 2
2
1
B 1 9
Shi f t Solenoid
Number 1
Shi f t Solenoid
Number 2
Pressur e Contr ol
Solenoid
TCC Solenoid
Figure 1
SOLENOID IDENTIFICATIONAND LOCATIONS
AUTOMATIC TRANSMISSION SERVICE GROUP
Technical Service Information
Copyright © 2003 ATSG
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1. UPPER VALVE BODY CASTING
2. PRESSURE CONTROL SOLENOID REGULATOR VALVE
3. PRESSURE CONTROL SOLENOID REGULATOR VALVE SPRING
4. PRESSURE CONTROL SOLENOID REGULATOR VALVE BORE PLUG
5. PRESSURE CONTROL SOLENOID REGULATOR VALVE BORE PLUG RETAINER
2
1
3
4
5
Figure 2
UPPER VALVE BODYVALVE IDENTIFICATION AND LOCATIONS
AUTOMATIC TRANSMISSION SERVICE GROUP
Technical Service Information
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12. 1-2 SHIFT VALVE SPRING13. 1-2 SHIFT VALVE BORE PLUG
14. 1-2 SHIFT VALVE RETAINER
15. NEUTRAL CONTROL VALVE
16. NEUTRAL CONTROL VALVE RETAINER
17. PRIMARY REGULATOR VALVE
18. PRIMARY REGULATOR VALVE SPRING
19. PLUNGER
20. PLUNGER SLEEVE
21. PLUNGER SLEEVE RETAINER
1. CENTER VALVE BODY CASTING2. MANUAL VALVE
3. 2-3 SHIFT VALVE
4. 2-3 SHIFT VALVE SPRING
5. 2-3 SHIFT VALVE BORE PLUG
6. 2-3 SHIFT VALVE RETAINER
7. 3-4 SHIFT VALVE
8. 3-4 SHIFT VALVE SPRING
9. 3-4 SHIFT VALVE BORE PLUG
10. 3-4 SHIFT VALVE RETAINER
11. 1-2 SHIFT VALVE
CENTER VALVE BODY "FRONT" SIDEVALVE IDENTIFICATION AND LOCATIONS
5 5
0
1 9
1
2
3
4
5
6
9
13
17
1819
20
16
14
10
21
15
12
11
7
8
Retainer
Locations
Figure 3
AUTOMATIC TRANSMISSION SERVICE GROUP
Technical Service Information
Copyright © 2003 ATSG
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1. CENTER VALVE BODY CASTING
2. CLUTCH MODULATOR VALVE
3. CLUTCH MODULATOR VALVE SPRING
4. CLUTCH MODULATOR VALVE BORE PLUG
5. CLUTCH MODULATOR VALVE RETAINER
6. TCC SOLENOID REGULATOR VALVE
7. TCC SOLENOID REGULATOR VALVE SPRING
8. TCC SOLENOID REGULATOR VALVE BORE PLUG
9. TCC SOLENOID REGULATOR VALVE RETAINER
Figure 4
CENTER VALVE BODY "REAR" SIDEVALVE IDENTIFICATION AND LOCATIONS
5
50 1 9
6
78
9
5
43
2
1
Retainer
Locations
Retainer
Locations
AUTOMATIC TRANSMISSION SERVICE GROUP
Technical Service Information
Copyright © 2003 ATSG
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1. LOWER VALVE BODY
2. C3 ACCUMULATOR PISTON
3. C3 ACCUMULATOR PISTON SPRING
4. C3 ACCUMULATOR VALVE
5. C3 ACCUMULATOR VALVE SPRING
6. B1 ACCUMULATOR VALVE
7. B1 ACCUMULATOR VALVE SPRING
8. LOW COAST MODULATOR VALVE (B3)
9. LOW COAST MODULATOR VALVE SPRING (B3)
10. LOCK-UP CONTROL VALVE
11. LOCK-UP CONTROL VALVE SPRING
12. PLUNGER
13. PLUNGER SLEEVE
14. LOCK-UP CONTROL VALVE RETAINER
15. COVER PLATE GASKET
16. COVER PLATE
17. COVER PLATE BOLTS (7)
Figure 5
LOWER VALVE BODY "FRONT" SIDEVALVE IDENTIFICATION AND LOCATIONS
Retainer
Locations
1
3
2
15
1617
4
5
7
6
8
9
10
11
12
14
13
AUTOMATIC TRANSMISSION SERVICE GROUP
Technical Service Information
Copyright © 2003 ATSG
03-34Page 6 of 11
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1. LOWER VALVE BODY
2. C2 ACCUMULATOR PISTON
3. C2 ACCUMULATOR SPRING (INNER)
4. C2 ACCUMULATOR SPRING (OUTER)5. C2 ACCUMULATOR VALVE
6. C2 ACCUMULATOR VALVE SPRING
7. B2 ACCUMULATOR PISTON
8. B2 ACCUMULATOR SPRING (INBOARD)
9. B2 ACCUMULATOR SPRING (OUTBOARD)
10. B2 ACCUMULATOR VALVE
11. B2 ACCUMULATOR SPRING
12. ACCUMULATOR CONTROL VALVE
13. ACCUMULATOR CONTROL VALVE SPRING
14. SECONDARY REGULATOR VALVE15. SECONDARY REGULATOR VALVE SPRING
16. SECONDARY REGULATOR VALVE BORE PLUG
17. SECONDARY REGULATOR VALVE RETAINER
18. COVER PLATE GASKET
19. COVER PLATE20. COVER PLATE BOLTS (7)
Figure 6
LOWER VALVE BODY "REAR" SIDEVALVE IDENTIFICATION AND LOCATIONS
1
43
2 18
1920
6
5
97
8
10
11
12
13
17
1614
15
Retainer
Locations
AUTOMATIC TRANSMISSION SERVICE GROUP
Technical Service Information
Copyright © 2003 ATSG
03-34Page 7 of 11
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W
1
W
"TYPICAL" SPACER PLATES
CENTER VALVE BODY
TO UPPER VALVE BODY SPACER PLATE
LOWER VALVE BODY
TO CASE SPACER PLATE
Figure 7
AUTOMATIC TRANSMISSION SERVICE GROUP
Technical Service Information
Copyright © 2003 ATSG
03-34Page 8 of 11
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CHECK VALVEAND SPRING
PRESSURE RELIEFVALVE AND SPRING
"LOWER" VALVE BODY
REQUIRES FOUR RUBBER CHECKBALLS5.0mm (.197") IN DIAMETER
Figure 8
AUTOMATIC TRANSMISSION SERVICE GROUP
Technical Service Information
Copyright © 2003 ATSG
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4 SMALLFILTER
SCREENS
VOLVO/SAAB AW50-42LE"CENTER" VALVE BODY, "UPPER" VALVE BODY SIDE
LARGE FILTER SCREEN
Figure 9
AUTOMATIC TRANSMISSION SERVICE GROUP
Technical Service Information
Copyright © 2003 ATSG
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VOLVO/SAAB AW50-42LE"CENTER" VALVE BODY, "LOWER" VALVE BODY SIDE
I f the spacer pl ate has only one
small hol e over either l ocation
DO NOT install a checkball.
I f the spacer pl ate has one large
and one small hole over l ocation
INSTALL a checkball.
CHECK VALVE
ASSEMBLY(Early Models Only)
Thi s checkball can go in
either location indicated
by the arrows.
CHECK VALVEAND SPRING
BYPASS VALVEAND SPRING
REQUIRES SEVEN RUBBER CHECKBALLS5.0 mm (.197") DIAMETER
Figure 10
AUTOMATIC TRANSMISSION SERVICE GROUP
Technical Service Information
Copyright © 2003 ATSG
03-34Page 11 of 11
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