Technical Service Information
"5R55N", "5R55W/S" Overdrive Sun Gear 24 Teeth
Copyright © 2004 ATSG
Figure 193
5R55N OVERRUN DRUM
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"5R55N", "5R55W/S" Overdrive Sun Gear 38 Teeth
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Copyright © 2004 ATSG
Figure 194
5R55W/S OVERRUN DRUM
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Copyright © 2004 ATSG |
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Copyright © 2004 ATSG |
Figure 195 |
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Figure 196 |
AUTOMATIC TRANSMISSION SERVICE GROUP |
111 |
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Technical Service Information
5R55N FORWARD CLUTCH COMPONENTS
Cushion Plate
Forward Clutch
Aluminum Piston
Return Spring
Retainer
Return Springs
(15 Required)
Forward Clutch
Aluminum Piston
Forward Clutch
Housing
Forward Clutch
Housing
Copyright © 2004 ATSG
Figure 197
112 |
AUTOMATIC TRANSMISSION SERVICE GROUP |
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Technical Service Information
5R55W/S AND LATE 5R55N FORWARD CLUTCH COMPONENTS |
Return Spring |
Stamped Steel, Molded Rubber |
Forward Clutch |
Assembly |
Forward Clutch Piston |
Housing |
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Copyright © 2004 ATSG |
Figure 198
COMPLETED "5R55N" FORWARD |
COMPLETED "5R55W/S" FORWARD |
CLUTCH HOUSING |
CLUTCH HOUSING |
Copyright © 2004 ATSG
Figure 199
AUTOMATIC TRANSMISSION SERVICE GROUP |
113 |
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Technical Service Information
5R55N FORWARD PLANETARY
85 Teeth
85 Teeth
19 Tooth |
D1 E4A |
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Pinions |
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r o |
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P4 WXFR |
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Copyright © 2004 ATSG
Figure 200
5R55W/S FORWARD PLANETARY
101 Teeth
101 Teeth
23 Tooth
Pinions
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-55 |
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D 7 -P2L |
1F |
Copyright © 2004 ATSG
Figure 201
114 |
AUTOMATIC TRANSMISSION SERVICE GROUP |
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Technical Service Information
|
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5R55N SUN SHELL |
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Requires |
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"Short" |
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Spacer |
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27 Tooth |
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Sun Gear |
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Requires |
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Sprag |
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47 Tooth |
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Requires |
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Bearing |
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Sun Gear |
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Copyright © 2004 ATSG |
Figure 202
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5R55W/S SUN SHELL |
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Requires |
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27 Tooth |
"Tall" |
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Sun Gear |
Spacer |
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Does Not Use |
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Sprag |
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55 Tooth |
No Bearing |
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(Has Bushing) |
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Sun Gear |
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Copyright © 2004 ATSG |
Figure 203
AUTOMATIC TRANSMISSION SERVICE GROUP |
115 |
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Technical Service Information
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VALVE BODY COMPARISON |
"5R55N" VALVE BODY |
"5R55W/S" VALVE BODY |
ASSEMBLY |
ASSEMBLY |
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Copyright © 2004 ATSG |
Figure 204
"5R55N" VALVE BODY |
WORM TRACKS |
"Three" .250" |
Check Balls |
"5R55W/S" VALVE BODY |
WORM TRACKS |
"Two" .250" |
Check Balls |
Copyright © 2004 ATSG |
Figure 205
116 |
AUTOMATIC TRANSMISSION SERVICE GROUP |
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Technical Service Information
"5R55N" |
"5R55W/S" |
SPACER PLATE |
SPACER PLATE |
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Copyright © 2004 ATSG |
Figure 206
"5R55N" REVERSE SERVO HOUSING
FEED HOLE
TO SERVO 
AND VALVE
REVERSE SERVO
HOUSING
REVERSE SERVO
CHECK VALVE
REVERSE SERVO
CHECK VALVE
SPRING
REVERSE SERVO
CHECK VALVE
RETAINER
SMALLER DIAMETER
FREE LENGTH = 1.472" SPRING DIAMETER = .450" WIRE DIAMETER = .037"
"5R55W/S" REVERSE SERVO HOUSING
FEED HOLE
TO SERVO
REVERSE SERVO
HOUSING
REVERSE SERVO
CHECK VALVE
REVERSE SERVO
CHECK VALVE
SPRING
REVERSE SERVO
CHECK VALVE
RETAINER
LARGER DIAMETER
FEED HOLE
TO VALVE
FREE LENGTH = 1.625" SPRING DIAMETER = .332" WIRE DIAMETER = .041"
Copyright © 2004 ATSG |
Copyright © 2004 ATSG |
Figure 207 |
Figure 208 |
AUTOMATIC TRANSMISSION SERVICE GROUP |
117 |
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Technical Service Information
REVERSE SERVO RETURN SPRING COMPARISON
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Approximately |
Wire Diameter |
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= .134" |
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7.375" |
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Wire Diameter |
Free Length |
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= .123" |
Approximately |
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6.312" |
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Free Length |
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"5R55N" SERVO SPRING |
"5R55W/S" SERVO SPRING |
Copyright © 2004 ATSG
Figure 209
REVERSE SERVO PISTON COMPARISON
Approximately .125" Difference In Overall Height
Approximately |
Approximately |
1.395" |
1.870" |
Outside Diameter |
Outside Diameter |
"5R55N" SERVO PISTON |
"5R55W/S" SERVO PISTON |
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Copyright © 2004 ATSG |
Figure 210
118 |
AUTOMATIC TRANSMISSION SERVICE GROUP |
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Technical Service Information
"5R55N" INTERMEDIATE SERVO |
"5R55W/S" INTERMEDIATE SERVO |
COMPONENTS |
COMPONENTS |
INTERMEDIATE SERVO |
INTERMEDIATE SERVO |
RETURN SPRING |
RETURN SPRING |
INTERMEDIATE SERVO |
INTERMEDIATE SERVO |
PISTON ASSEMBLY |
PISTON ASSEMBLY |
INTERMEDIATE SERVO
COVER "O" RING SEALS
INTERMEDIATE SERVO
COVER "O" RING SEAL
INTERMEDIATE SERVO |
INTERMEDIATE SERVO |
COVER |
COVER |
INTERMEDIATE SERVO |
INTERMEDIATE SERVO |
COVER SNAP RING |
COVER SNAP RING |
Copyright © 2004 ATSG |
Copyright © 2004 ATSG |
Figure 211 |
Figure 212 |
AUTOMATIC TRANSMISSION SERVICE GROUP |
119 |
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Technical Service Information
120 |
AUTOMATIC TRANSMISSION SERVICE GROUP |
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