Volvo 50-42LE transmission. Manual — part 8
9151
AUTOMATIC TRANSMISSION SERVICE GROUP
Technical Service Information
Copyright © 2004 ATSG
700U
BELLHOUSING
REAR VIEW
AIR
VENT
703U
FROM
PIPE#1
701U
PIPE#1
702U
TO PIPE#1
704U
705U*
705U* THERE IS A SEALING RING IN THIS LOCATION THAT HAS
A .055" GAP THAT PROVIDES A CONTROLLED LEAK INTO THE BEARING
31
Figure 29
AUTOMATIC TRANSMISSION SERVICE GROUP
Technical Service Information
Copyright © 2004 ATSG
DIFFERENTIAL LUBE
.034"
ORIFICE
6
0
1
V
PIPE #2
PIPE #1
701U
6
0
1
F
6
0
1
F
6
0
1
F
6
0
1
R
6
0
2
R
702U
704U
2 -.042"
ORIFICES IN PLUG
705U*
703U
PIPE #1
705U* THERE IS A SEALING RING IN THIS LOCATION THAT HAS
A .055" GAP THAT PROVIDES A CONTROLLED LEAK INTO THE BEARING
32
Figure 30
AUTOMATIC TRANSMISSION SERVICE GROUP
Technical Service Information
Copyright © 2004 ATSG
800U
REAR COVER
FRONT VIEW
802U
804U
805U
803U
801U
C1
ACCUMULATOR
33
Figure 31
X
X
X
X
X
X
X
X
X
X
X
MANUAL VALVE
P R N D 3 L
2-3 SHIFT
VALVE
3-4 SHIFT
VALVE
1-2 SHIFT
VALVE
NEUTRAL CONTROL
VALVE (Blocked)
CLUTCH MODULATOR
VALVE
TCC SOLENOID
REGULATOR VALVE
PRESSURE REGULATOR
VALVE
SECONDARY REGULATOR
VALVE
LOCK-UP CONTROL
VALVE
LOW COAST
MODULATOR
VALVE (B3)
B1 ACCUMULATOR
VALVE
ACCUMULATOR
CONTROL
VALVE
B2 ACCUMULATOR
VALVE
B2
ACCUMULATOR
C2 ACCU-
MULATOR
C2 ACCU-
MULATOR
VALVE
C3 ACCUMULATOR
VALVE
OUTPUT
SUCTION
TCC
RELEASE SIDE
TCC
APPLY SIDE
THE RETURN
LINE IS LOCATED
IN THE FRONT PAN
C3
ACCUMULATOR
.038" ORIFICE
.058" CROSS-
DRILLED HOLE
3
0
6
U
3
0
8
U
3
0
9
U
3
1
0
U
3
3
8
U
3
2
5
L
3
0
6
L
3
0
8
L
3
2
1
L
3
2
4
L
3
0
8
L
3
3
0
L
3
2
2
L
3
1
0
L
3
0
9
L
3
1
9
L
3
2
1
L
3
2
2
L
3
2
3
L
3
2
2
L
3
2
3
L
5
2
2
U
3
0
9
L
3
0
7
L
3
1
4
L
3
1
5
L
3
1
6
L
3
1
7
L
3
1
8
L
3
1
9
L
3
2
0
L
3
1
6
U
5
0
3
U
5
0
9
U
5
1
0
U
5
0
8
U
5
1
2
U
5
0
8
U
5
1
3
U
540U
541U
542U
5
1
4
U
5
1
7
U
5
1
6
U
5
1
8
U
5
1
5
U
5
2
2
U
5
4
4
U
5
4
6
U
5
4
8
U
5
4
3
U
5
0
4
U
5
1
1
U
5
0
6
U
5
0
7
U
5
0
3
U
5
0
3
U
5
0
3
U
5
0
3
U
5
0
6
U
5
2
5
U
5
0
2
L
3
1
8
U
3
2
0
L
3
1
1
U
3
4
1
U
3
4
2
U
317U
3
1
2
U
3
1
3
U
3
3
3
U
3
3
4
U
3
3
6
U
3
3
9
U
3
3
4
U
3
4
1
U
3
3
7
U
3
3
3
U
3
2
7
U
3
1
2
U
3
1
4
U
3
2
5
U
3
2
6
U
3
3
0
U
3
3
0
U
3
3
0
U
3
2
1
U
3
2
2
U
3
2
1
U
3
0
7
U
3
3
5
U
2
0
2
.0
3
0
"
2
0
7
.0
4
0
"
2
2
6
W
1
2
4
9
W
2
3
2
3
U
VOID
C-3
B-1
C-3
ATF
COOLER
602F
611F
6
0
3
V
6
1
6
V
4
0
1
4
0
2
4
0
3
4
4
3
4
5
0
4
5
1
.0
8
6
"
4
5
2
4
8
8
.0
4
0
"
4
0
4
4
1
0
4
1
5
4
4
9
4
1
6
.0
3
5
"
4
1
3
4
1
1
4
1
4
4
1
2
4
3
8
4
0
6
4
0
9
4
3
7
.0
3
9
"
4
3
6
4
0
8
4
0
7
4
2
1
.0
5
9
”
4
2
2
4
1
8
4
8
7
4
1
9
.0
4
2
"
4
2
3
**
4
2
5
4
2
6
4
2
7
4
2
0
4
2
4
.0
3
9
"
4
2
8
4
2
9
4
3
0
4
3
1
4
3
3
4
3
4
4
3
5
C
B
3
C
B
4
C
B
6
C
B
5
4
3
2
.0
7
8
"
4
1
7
4
3
9
4
4
1
4
4
0
.0
5
0
"
4
4
2
.0
4
2
"
3
0
2
L
3
0
3
L
3
2
8
L
3
0
3
U
3
0
3
U
3
4
3
U
3
4
5
U
3
4
4
U
3
0
4
U
3
1
1
L
3
1
2
L
3
1
4
U
3
4
8
W
2
3
4
9
W
2
3
2
4
U
3
3
0
U
3
1
9
U
3
0
4
U
3
3
0
U
3
1
5
U
3
0
4
U
3
2
8
U
3
2
8
U
3
2
9
U
3
3
1
U
3
2
9
U
3
3
2
U
5
2
5
U
609V
6
0
8
F
P
u
m
p
610V
Rear
lube
606F
615V
617V
609F
THRU
PUMP
THRU
PUMP/TURBINE
3
0
4
L
3
3
3
L
3
2
6
L
3
2
9
L
3
3
0
L
3
0
1
U
C
O
V
E
R
3
0
2
U
5
0
1
U
5
2
7
U
5
2
8
U
5
0
2
U
5
2
9
U
5
3
4
U
5
3
5
U
505L
503L
5
3
7
U
5
4
7
U
5
3
6
U
5
3
0
U
5
3
8
U
5
5
1
U
5
3
2
U
5
1
9
U
5
2
0
U
5
2
4
U
5
2
6
U
5
4
0
U
5
0
7
L
5
0
8
L
509L
510L
511L
512L
5
2
1
U
5
4
9
U
5
0
1
L
603F
SUMP
X
X
PUMP
TORQUE
CONVERTER
C
B
1
C
B
2
C
B
8
C
B
9
C
B
1
0
3
1
3
L
3
0
1
L
X
339L
472
473
340L
341L
342L
343L
344L
345L
347U
CB7
475
476 477
480
481
.047"
482
483
484
485
486
479
.032"
478
545U
474
DIFFERENTIAL LUBE
.034"
ORIFICE
6
0
1
V
PIPE #2
PIPE #1
701U
6
0
1
F
6
0
1
F
6
0
1
F
6
0
1
R
6
0
2
R
702U
704U
2 -.042"
ORIFICES IN PLUG
705U*
703U
PIPE #1
.058” ORIFICE
9
B
1
9
B
1
S1
"OFF"
VIEWED FROM THE
WORM TRACK SIDE
VIEWED FROM THE
WORM TRACK SIDE
n.c.
n.c.
S2
"ON"
STH (epc)
SL
"OFF"
n.o.
X
X
X
X
X
X
X
X
X
101U (side)
.035" balance
orifice thru valve
.039" balance
orifice thru valve
PRESSURE CONTROL
SOLENOID REG. VALVE
C1 ACCUMULATOR
LEGEND
PARK POSITION
VALVE BODY MAPPING
LINE PRESSURE
EPC PRESSURE
TO SUMP
SOLENOID 1 PRESSURE
COOLER PRESSURE
CONNECTED CIRCUIT
W1- W2 SPACER
PLATE DIFFERENCES
SECONDARY REG.
PRESSURE
CLUTCH PACKS
B1 BRAKE
B2 BRAKE
B3 BRAKE
C2 CLUTCH
C1 CLUTCH
C3 CLUTCH
B4 BRAKE BAND
"ON"
B4 SERVO
B4 ACCUMULATOR
PISTON
(UNDERDRIVE CLUTCH)
(FORWARD CLUTCH)
(DIRECT CLUTCH)
(LOW/REV. BRAKE)
(INT. BRAKE)
(OVERRUN BRAKE)
1
0
1
L
1
0
2
L
104L
1
0
3
L
103U
102U
2
0
1
2
3
3
2
3
5
2
5
0
W
2
2
3
0
2
3
1
2
3
2
2
1
3
2
1
4
1
0
7
L
1
0
9
L
1
1
1
L
1
0
4
L
1
0
3
L
1
1
8
L
1
2
0
L
1
1
2
L
1
1
3
L
1
1
4
L
1
2
8
L
1
1
5
L
1
1
6
L
1
1
7
L
1
1
9
L
1
2
9
L
1
2
1
L
1
2
2
L
1
0
8
L
1
1
0
L
1
2
3
L
1
2
4
L
1
2
5
L
1
2
6
L
1
2
7
L
1
0
7
U
1
0
8
U
1
0
4
U
1
0
5
U
1
0
6
U
3
0
4
U
2
3
3
.0
3
0
"
2
0
4
.0
3
0
"
2
0
6
2
0
8
2
0
9
2
1
0
2
0
5
2
1
5
2
1
6
2
3
9
2
4
0
2
4
1
2
4
2
2
4
6
2
4
4
2
4
5
2
4
7
.0
3
2
"
2
4
8
.0
3
2
"
2
1
7
2
3
6
2
1
8
2
1
1
2
0
3
2
3
7
2
3
8
2
1
2
2
1
9
2
2
0
2
4
2
2
4
3
2
2
2
2
2
3
2
2
4
2
2
5
2
2
7
2
2
8
2
2
9
2
3
4
2
2
1
.0
5
1
"
1
0
5
L
1
1
9
L
1
0
6
L
*
**
SEE NOTE IN THE PASSAGE
IDENTIFICATION
THIS HOLE IS USED ONLY
ON CHECK VALVE VERSIONS
B
-4
A
-2
PIPE#3
607F
4
0
5
4
4
4
4
4
5
4
5
3
4
5
4
.0
3
2
"
4
5
5
4
4
6
.0
3
9
"
4
4
7
.0
3
9
"
4
4
8
.0
3
9
"
604V
605V
608V
5
0
2
L
606V
614V
6
1
2
V
Central
lube
606R 802U
8
0
4
U
604R
605R
801U
802U
604F
605F
603R
607R
608R
607V
Pressure
port
3
0
5
U
3
4
0
U
3
4
3
U
3
4
5
U
5
2
3
U
5
5
0
U
5
3
3
U
5
0
4
L
611V
613V
602V
X
X
X
X
X
3
0
5
L
3
2
7
L
3
2
8
L
3
3
1
L
3
3
2
L
X
X
456
457 458
531U
346L
334L
335L
346U
336L
337L
338L
539U
506L
459
.070"
460 461 462 463 464
465
.039"
466
.059"
468
469 467
489 490
470
471
X
X
X
503L
529U
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