4R70W Transmission Components

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STOCK TUNE SHIFT SPEEDS-MPH
Throttle PositionRangeShift(MPH)
Light Throttle D 1-2 6-15
  D 2-3 12-26
  D 3-4 30-48
  D 4-3 36-27
  D 3-2 16-9
  D 2-1 10-5
Wide Open Throttle D 1-2 35-58
  D 2-3 64-100
  D 3-4 65-105
  D 4-3 92-75
  D 3-2 78-36
  D 2-1 40-24 

 

 

Identification Tags

All vehicles are equipped with a Vehicle Certification Label, affixed to the LH (driver's) side door lock post.

Refer to the code in the space marked TR on the vehicle certification label for proper transmission identification.

For additional information such as: model, service identification level or build date, refer to the transmission service identification tag which is attached to transmission case (7005).

Typical Transmission Service Identification Tag






Transmission, Disassembled View






Transmission, Automatic, Disassembled View (Continued)





ItemPart NumberDescription
1 7902 Converter Assy
2 87650-S2 Plug - Converter Drain - 1/8-27 Dryseal
3 7A103 Pump Assy - Front
4 7A248 Seal Assy - Front Pump
5 7A248 Seal - Front Pump
6 7B258 Bushing - Front Pump (Part of 7A103)
7 N605789-S100 Bolt - M8-1.25 X 35 Hex Hd (7-Attach 7A103 to 7005)
8 7A106 Body Assy - Front Pump (Part of 7A103)
9 7A136 Gasket - Front Pump
10 7H169 Gear - Pump Inner Gerotor (Part of 7A103)
11 7H169 Gear - Pump Outer Gerotor (Part of 7A103)
12 7A108 Support Assy - Front Pump
13 N605787-S Bolt - M8-1.25 X 25 Hex Flg Hd (5-Attach 7A108 to 7A103)
14 7D014 Washer - Front Pump Support Thrust - Select Fit No.1
15 7D020 Seal - Reverse Clutch Cylinder (2 Req'd)
16 7D019 Seal - Forward Clutch Cylinder (2 Req'd)
17 7F225 Seal - Intermediate Clutch Piston - Inner
18 7F224 Seal - Intermediate Clutch Piston - Outer
19 7E005 Piston Kit - Intermediate Clutch
20 7B442 Plate - Intermediate Clutch External Spline (Select Fit) (Steel)
21 7B164 Plate Assy - Intermediate Clutch Internal Spline (Friction)
22 7B066 Plate - Intermediate Clutch Pressure
23 7F196 Band Assy - Overdrive
24 391267-S Ring - 3-21/64 Retains Type SU External (Retains 7F262 to 7F215)
25 7D191 Retainer - Intermediate One-Way Clutch
26 7F221 Hub - Intermediate Clutch
27 7A089 Clutch Assy - Intermediate One-Way
28 7D044 Drum Assy - Reverse Clutch
29 7D403 Seal - Reverse Clutch Piston - Outer
30 7D402 Piston Assy - Reverse Clutch
31 7D404 Seal Reverse Clutch Piston - Inner
32 7D256 Ring - Reverse Clutch Piston Pressure
33 7B070 Spring - Reverse Clutch Piston Return
34 7A577 Spring - Reverse Clutch Piston Spring
35 7B066 Plate - Reverse Clutch Front Pressure
36 7B164 Plate - Reverse Clutch Internal Spline (Friction)
37 7B442 Plate - Reverse Clutch External Spline (Steel)
38 7B066 Plate - Reverse Clutch Rear Pressure
39 7B497 Seal - Input Shaft (2 Req'd)
40 7D483 Retainer - Reverse Clutch Pressure Plate - (Select Fit)
41 7A166 Bearing and Race Assy - Forward Clutch No. 2
42 7F207 Cylinder and Input Shaft Assy - Forward Clutch
43 7A548 Seal - Forward Clutch Piston - Outer
44 7C099 Seal - Forward Clutch Piston - Inner
45 7A262 Piston - Forward Clutch
46 7A480 Spring - Forward Clutch Piston Return
47 7A527 Retainer Return Spring - Forward Clutch
48 388099-S Snap Ring - Retaining - 1-59/64 (Retains 7A529 in 7F207)
49 7E085 Spring - Rear Clutch Pressure Plate
50 7B442 Plate - Forward Clutch External Spline (Steel)
51 7B164 Plate - Forward Clutch Internal Spline (Friction)
52 7B066 Plate - Forward Clutch Pressure
53 7D483 Snap Ring - Retaining (Select Fit)
54 7F231 Bearing and Race Assy - Forward Clutch - Front No. 3
55 7B067 Hub - Forward Clutch
56 7F351 Shaft - Intermediate Stub
57 7C096 Bearing and Race Assy - Forward Clutch Hub No. 4
58 7A019 Gear Assy - Reverse Sun
59 7F244 Bearing and Race Assy - Forward Clutch Sun Gear No. 5
60 388501-S Retaining Ring - Center Support - 7-7/92
61 7A399 Gear Assy - Forward Clutch Sun
62 7F277 Spring - Case to Planet Support
63 7A130 Support Assy - Planetary Gear
64 7A089 OWC Cage Spring and Roller Assy - Planetary
65 7A398 Planetary Assy
66 7D095 Band Assy - Reverse
67 377427-S Retaining Ring - 0.58 Thick (Locates Reverse Band During Assy)
68 7F236 Hub - Direct Clutch
69 7F243 Bearing and Race Assy - Direct Clutch Inner No. 7
70 7F237 Support - Direct Clutch Inner Bearing
71 7D483 Retaining Ring - Direct Clutch Pressure Plate (Select Fit)
72 7B066 Plate - Direct Clutch Pressure
73 7B164 Plate - Direct Clutch Internal Spline (Friction)
74 7B442 Plate - Direct Clutch External Spline (Steel)
75 388104-S Retaining Ring - 1-19/32 (Retains 7F235 to 7F283)
76 7F235 Retainer and Spring Assy - Direct Clutch
77 7A262 Piston Assy - Direct Clutch
78 7C099 Seal - Direct Clutch Piston - Inner
79 7A233 Seal - Direct Clutch Piston - Outer
80 7A153 Gear - Output Shaft Ring
81 7F283 Cylinder Assy - Direct Clutch
82 7F274 Seal - Output Shaft Small - Direct Clutch (2 Req'd)
83 7F240 Bearing and Race Assy - Direct Clutch Outer No. 8
84 7060 Shaft Assy - Output
85 7F273 Seal - Output to Case Shaft Large (3 Req'd)
86 87054-S94 Seal - O-Ring (Piloted Output Shaft Only)
87 7D164 Hub - Output Shaft
88 97713-S Snap Ring - 1-13/16 Retaining (Retains 7D164 to 7060)
89 7C122 Snap Ring - Retaining (Retains 7D164 to 7A153)
90 7025 Bushing - Rear Case
91 7F242 Bearing and Race Assy - Case Rear No.9
92 7005 Case Assy
93 7086 Gasket - Extension
94 N803747-S1000 Bolt - M8-1.25 X 30 (6-Attach 7A039 to 7005)
95 7A039 Extension Assy
96 7A034 Bushing - Extension Housing
97 7052 Seal Assy - Extension Housing
98 390318-S100 Pipe Plug - 1/8-27 Dryseal Tapered (5 Req'd)
99 7F295 Pin - Overdrive Band Anchor
100 388142-S Pin - Reverse Band Anchor (Part of 7005)
101 7034 Vent Assy - Case
102 N605771-S2 Bolt - M6-1.0 X 14 Hex Flg Hd (Attaches Output Shaft Speed Sensor to Case)
103 7H103 Sensor Assy - Transmission Output Shaft Speed
104 7Z101 Seal - 14.0 X 1.78 O-Ring (2 Req'd)
105 N806933-S100 Bolt and Washer Assy - M6-1.0 X 25MM (2-Attach 7F293 to 7005)
106 7A247 Sensor - Transmission Range
107 7A256 Lever Assy - Manual Control
108 7B498 Seal Assy - Manual Control Lever
109 373907-S2 Nut - 1/4 Spring (Retains Identification Tag to 7000)
110 7B148 Tag - Identification (Part of 7005)
111 7D273 Connector Assy - Fluid Tube (2 Req'd)
112 7N171 Plug - Converter Housing Access
113 7E242 Screen Assy - Fluid
114 7B210 Pin - Manual Lever Shaft Retainer
115 7Z383 Seal - 0.426 X 0.070 O-Ring
116 7Z101 Seal - 14.0 X 1.78 O-Ring
117 7G383 Solenoid Valve - Transmission Pressure Control
118 7A441 Pawl - Parking Pawl
119 7D071 Shaft - Parking Pawl
120 7D419 Cup - Park Rod Guide (Part of 7A039)
121 7D070 Spring - Parking Pawl Return
122 7A232 Rod Assy - Park Pawl Actuating
123 7A115 Lever Assy - Manual Valve Detent Lever
124 N800287-S536 Nut - M14 X 1.5 Hex - Intermediate Detent Lever (Attaches 7A115 to 7A256)
125 7H188 Piston Assy - Overdrive Servo
126 7F201 Spring - Overdrive Servo Piston
127 7F203 Rod - Overdrive Servo Actuating (Part of 7H188)
128 7H179 Washer - Backup Overdrive Servo (Part of 7H188)
129 7G277 Spring - Overdrive Cushion Spring (Part of 7H188)
130 7F200 Piston Assy - Overdrive Servo (Part of 7H188)
131 97411-S Ring - Retaining (Part of 7H188)
132 7F411 Sleeve Assy - Overdrive Servo (Part of 7H188)
133 7384 Ring - 2.85 Retaining Type TVP "H" Internal (Retains 7H188 to 7005)
134 7D031 Spring - Reverse Band Servo Piston
135 7D189 Piston Assy - Reverse Band Servo
136 7D036 Cover Assy - Reverse Band Servo Piston
137 388215-S100 Retaining Ring - Internal - 3-13/16
138 7F250 Seal - 2-3 Accumulator Piston - Upper
139 7F251 Piston - 2-3 Shift Accumulator
140 7F249 Seal - 2-3 Accumulator Piston - Lower
141 7F285 Spring - 2-3 Shift Accumulator Piston
142 7B264 Retainer - 2-3 Shift Accumulator Spring
143 7F284 Spring - 1-2 Shift Accumulator (Model Dependent)
144 7F248 Seal - 1-2 Shift Accumulator Piston
145 7F251 Piston - 1-2 Shift Accumulator
146 7F249 Seal - 1-2 Shift Accumulator Piston - Lower
147 7F284 Spring - 1-2 Shift Accumulator
148 7H300 Cover and Seal Assy - 1-2 Accumulator
149 7384 Ring - 2-1/16 Retaining Type HU Internal (Retains 7H300 to 7005)
150 N807178-S1000 Bolt - M6-1.0 X 18 Hex Hd (4-Attach Reverse Servo Reinforcing Plate to Valve Body)
151 7F282 Plate - Valve Body Reinforcing (Part of 7A100)
152 7C155 Gasket - Valve Body Separator - Upper
153 7A008 Plate - Control Valve Body Separator (Part of 7A100)
154 7D100 Gasket - Valve Body Separating - Lower
155 7H171 Valve - Converter Drainback
156 7A100 Control Assy - Main
157 7H173 Gasket - Valve Body Cover Plate
158 7C034 Plate - Valve Body Cover (Part of 7A100)
159 N807178-S1000 Bolt - M6-1.0 X 18 Hex Hd (4-Attach 7C034 to 7A100)(Part of 7A100)
160 7A098 Filter and Seal Assy - Fluid
161 7A191 Gasket - Transmission Pan
162 7A194 Pan - Transmission
163 N605785-S1036 Bolt - M8-1.25 X 18 Hex Flg Hd (14-Attach 7A194 to 7005)
164 7L027 Magnet - Ceramic Case (Part of 7A194)
165 7H141 Sensor - Transmission Fluid Temperature
166 N808947-S1300 Bolt - M6-1.0 X 46 Hex Shldr Pilot (2-Attach 7C034 to 7A100)
167 N807179-S1000 Bolt - M6-1.0 X 52 Hex Flg Hd (12-Attach 7A100 to 7005)
168 7H111 Retainer - Solenoid
169 7E195 Ball - 1/4 Diameter Coast Booster Valve Shuttle (8 Req'd)
170 7H187 Screen - Solenoid Pressure Supply
171 N800670-S1000 Bolt - M6-1.0 X 40 Hex Flg Hd (13-Attach 7A100 to 7005)
172 7E332 Spring Assy - Manual Valve Detent
173 7Z276 Seal - 0.864 X 0.070 O-Ring (2 Req'd)
174 7G276 Bulkhead Assy - Wiring Connector
175 7Z484 Seal - 6.07 x 1.70 O-Ring (2 Req'd)
176 7G484 Solenoid Valve - Transmission Shift
177 7G136 Solenoid Valve - Transmission Torque Converter Clutch
178 N605517-S1000 Bolt - M6-1.0 X 16 Hex Hd (Retains 7G136 to 7A100)
179 7Z136 Seal - 0.489 x 0.070 O-Ring
180 7Z484 Seal - 0.176 x 0.070 O-Ring
A — Intermediate Clutch Assy
B — Reverse Clutch Assy
C — Forward Clutch Assy
D — Direct Clutch Assy



Bushing, Bearing and Thrust Washer Locator





ItemPart NumberDescription
1 7D014 Pump Assy Thrust Washer (Select Fit)
2 7A166 Forward Clutch Bearing and Race Assy
3 7F231 Forward Clutch Front Bearing and Race Assy
4 7F244 Forward Clutch Sun Gear Bearing and Race Assy
5 7F244 Forward Clutch Sun Gear Bearing and Race Assy
6 7F241 Planetary Bearing and Race Assy
7 7F243 Direct Clutch Inner Bearing and Race Assy
8 7F237 Direct Clutch Inner Bearing Support
9 7F240 Direct Clutch Outer Bearing and Race Assy
10 7F242 Outer Race Bearing and Race Assy
11 7A034 Extension Bushing
12 7025 Case Bushing
13 7B233 Output Shaft Bushing
14 7B375 Rear Planetary Carrier Bushing
15 7F209 Forward Clutch Sun Gear Bushing
16 7N193 Reverse Clutch Sun Gear Bushing
17 7B374 Front Carrier Bushing
18 7A132 Planetary Support Bushing
19 7F218 Reverse Clutch Drum Rear Bushing
20 7B261 Front Drum Support Bushing
21 7F217 Reverse Clutch Drum Front Bushing
22 7B258 Front Pump Bushing
23 7B261 Front Pump Support Bushing