Section 07-01C: Transmission, Automatic, 4R70W
1996 F-150 (4x2) (4x4) and Bronco Vehicles Equipped with 5.0L Engines Workshop Manual
DESCRIPTION AND OPERATION

Transmission, Disassembled Views

4R70W Transmission, Disassembled View

4R70W Transmission, Disassembled View (Continued)

ItemPart NumberDescription
17902Converter Assembly
287650-S2Plug — Converter Drain, 1/8-27 Dryseal
37A103Pump Assembly — Front Pump
47A248Seal Assembly — Front Pump
57A248Seal — Front Pump
67B258Bushing — Front Pump
7N605789-S100Bolt, M8-1.25 x 35 Hex-Head (7 — Att. 7A103 to 7005)
87A106Body Assembly — Front Pump* Not serviced separately.
97A136Gasket — Front Pump
107H169Gear — Pump Inner Gerotor*
117H169Gear — Pump Outer Gerotor*
127A108Support Assembly — Front Pump
13N605787-SBolt, M8-1.25 x 25 Hex Flange Head (5 — Att. 7A108 to 7A103)
147D014Washer — Front Pump Support Thrust, Select Fit No. 1
157D020Seal — Reverse Clutch Cylinder (2 Req'd)
167D019Seal — Forward Clutch Cylinder (2 Req'd)
177F225Seal — Intermediate Clutch Piston — Inner
187F224Seal — Intermediate Clutch Piston — Outer
197E005Piston Kit — Intermediate Clutch** Serviced only in kit.
207B442Plate — Intermediate Clutch External Spline (Steel), Select Fit
217B164Plate Assembly — Intermediate Clutch Internal Spline (Friction)
227B066Plate — Intermediate Clutch Pressure
237F196Band Assembly — Overdrive
24391267-SRing, 3-21/64 Retaining Type SU Extension (Retain 7F262 to 7F215)
257D191Retainer — Intermediate One-Way Clutch
267F221Hub — Intermediate Clutch
277A089Clutch Assembly — Intermediate One-Way
287D044Drum Assembly — Reverse Clutch
297D403Seal — Reverse Clutch Piston — Outer
307D402Piston Assembly — Reverse Clutch
317D404Seal — Reverse Clutch Piston — Inner
327D256Ring — Reverse Clutch Piston Pressure
337B070Spring — Reverse Clutch Piston Return
347A577Spring — Reverse Clutch Piston Spring
357B066Plate — Reverse Clutch Front Pressure
367B164Plate — Reverse Clutch Internal Spline (Friction)
377B442Plate — Reverse Clutch External Spline (Steel)
387B066Plate — Reverse Clutch Rear Pressure
397B497Seal — Input Shaft (2 Req'd)
407D483Retainer — Reverse Clutch Pressure Plate, Select Fit
417A166Bearing and Race Assembly — Forward Clutch No. 2
427F207Cylinder and Input Shaft Assembly — Forward Clutch
437A548Seal — Forward Clutch Piston — Outer
447C099Seal — Forward Clutch Piston — Inner
457A262Piston — Forward Clutch
467A480Spring — Forward Clutch Piston Return
477A527Retainer Return Spring — Forward Clutch
48388099-SSnap Ring — Retaining, 1-59/64 (Retain 7A529 in 7F207)
497E085Spring — Rear Clutch Pressure Plate
507B442Plate — Forward Clutch External Spline (Steel)
517B164Plate — Forward Clutch Internal Spline (Friction)
527B066Plate — Forward Clutch Pressure
537D483Snap Ring — Retaining (Select Fit)
547F231Bearing and Race Assembly — Forward Clutch — Front No. 3
557B067Hub — Forward Clutch
567F351Shaft — Intermediate Stub
577C096Bearing and Race Assembly — Forward Clutch Hub No. 4
587A019Gear Assembly — Reverse Clutch Sun
597F244Bearing and Race Assembly — Forward Clutch Sun Gear No. 5
60388501-SRetaining Ring — Center Support, 7-7/92
617A399Gear Assembly — Forward Clutch Sun
627F277Spring — Case to Planet Support
637A130Support Assembly — Planetary Gear
647A089One-Way Clutch Cage Spring and Roller Assembly — Planetary
657A398Planetary Assembly
667D095Band Assembly — Reverse
67377437-SRetaining Ring, .058 Thick (Locates Reverse Band During Assembly)
687F236Hub — Direct Clutch
697F243Bearing and Race Assembly — Direct Clutch Inner No. 7
707F237Support — Direct Clutch Inner Bearing
717D483Retaining Ring — Direct Clutch Pressure Plate, Select Fit
727B066Plate — Direct Clutch Pressure
737B164Plate — Direct Clutch Internal Spline (Friction)
747B442Plate — Direct Clutch External Spline (Steel)
75388104-SRetaining Ring, 1-19/32 (Retain 7F235 to 7F283)
767F235Retainer and Spring Assembly — Direct Clutch
777A262Piston Assembly — Direct Clutch
787C099Seal — Direct Clutch Piston Inner
797A233Seal — Direct Clutch Piston Outer
807A153Gear — Output Shaft Ring
817F283Cylinder Assembly — Direct Clutch
827F274Seal — Output Shaft Small — Direct Clutch (2 Req'd)
837F240Bearing and Race Assembly — Direct Clutch Outer No. 8
847060Shaft Assembly — Output
857F273Seal — Output to Case Shaft Large (3 Req'd)
8687054-S94Seal — O-Ring (Piloted Output Shaft Only)
877D164Hub — Output Shaft
8897713-SSnap Ring, 1-13/16 Retaining (Retain 7D164 to 7060)
897C122Snap Ring — Retaining (Retain 7D165 to 7A153)
907025Bushing — Rear Case
917F242Bearing and Race Assembly — Case Rear No. 9
927005Case Assembly
937086Gasket — Extension
94N803747-S1000Bolt, M8-1.25 x 30 (6 Req'd Att. 7A039 to 7005)
957A039Extension Assembly
967A034Bushing — Extension Housing
977052Seal Assembly — Extension Housing (Booted)
98390318-S100Pipe Plug, 1/8-27 Dryseal Tapered (5 Req'd)
997F295Pin — Overdrive Band Anchor
100388142-SPin — Reverse Band Anchor*
1017034Vent Assembly — Case
102N605771-S2Bolt, M6-1.0 x 14 Hex Flange Head (Att. OSS Sensor to Case)
1037H103Sensor Assembly — Transmission Output Shaft Speed
1047Z101Seal, 14.0 x 1.78 O-Ring
(2 Req'd)
105N806933-S100Bolt and Washer Assembly, M6-1.0 x 25mm (2 Req'd) (Att. 7F293 to 7005)
1067F293Sensor — Transmission Range
1077A256Lever Assembly — Manual Control (Model Dependent)
1087B498Seal Assembly — Manual Control Lever
109373907-S2Nut, 1/4 Spring (Retains I.D. Tag to 7000)
1107B148Tag — Identification*
1117D273Connector Assembly — Fluid Tube
1127N171Plug — Converter Housing Access
1137E242Screen Assembly — Fluid
1147B210Pin — Manual Lever Shaft Retainer
1157Z383Seal — 0.426 x 0.070 O-Ring
1167Z101Seal — 14.0 x 1.78 O-Ring
1177G383Solenoid Valve — Transmission Pressure Control
1187A441Pawl — Parking Pawl
1197D071Shaft — Parking Pawl
1207D419Cup — Park Rod Guide*
1217D070Spring — Parking Pawl Return
1227A232Rod Assembly — Park Pawl Actuating
1237A115Lever Assembly — Manual Valve Detent Lever
124N800287-S536Nut, M14 x 1.5 Hex — Intermediate Detent Lever (Att. 7A115 to 7A256)
1257H188Piston Assembly — Overdrive Servo (Model Dependent)
1267F201Spring — Overdrive Servo Piston (Model Dependent)
1277F203Rod — Overdrive Servo Actuating*
1287H179Washer — Backup Overdrive Servo Bellville*
1297G277Spring — Bellville Overdrive Cushion Spring*
1307F200Piston Assembly — Overdrive Servo*
13197411-SRing — Retaining*
1337384Ring, 2.85 Retaining Type TVP "H" Internal (Retain 7H186 to 7005)
1347D031Spring — Reverse Band Servo Piston
1357D189Piston Assembly — Reverse Band Servo
1367D036Cover Assembly — Reverse Band Servo Piston
137388215-S100Retaining Ring — Internal, 3-13/16
1387F250Seal — 2-3 Accumulator Piston — Upper
1397F251Piston — 2-3 Shift Accumulator
1407F249Seal — 2-3 Accumulator Piston — Lower
1417F285Spring — 2-3 Shift Accumulator Piston
1427B264Retainer — 2-3 Shift Accumulator Spring
1437F284Spring — 1-2 Shift Accumulator (Model Dependent)
1447F248Seal — 1-2 Shift Accumulator Piston
1457F251Piston — 1-2 Shift Accumulator
1467F249Seal — 1-2 Accumulator Piston — Lower
1477F284Spring — 1-2 Shift Accumulator
1487H300Cover and Seal Assembly 1-2 Accumulator
1497384Ring, 2-1/16 Retaining Type HU Internal (Retain 7H300 in 7005)
150N605517-S1000Bolt, M6-1.0 x 16 Hex-Head (8 Att. O/D Servo and 2.3 Accumulator Reinforcing Plate to Valve Body)
150N807178-S1000Bolt, M6-1.0 x 18 Hex-Head (4 Att. Reverse Servo Reinforcing Plate to Valve Body)
1517F282Plate — Valve Body Reinforcing
1527C155Gasket — Valve Body Separator — Upper
1537A008Plate — Control Valve Body Separator*
1547D100Gasket — Valve Body Separating — Lower
1557H171Valve — Converter Drainback
1567A100Control Assembly — Main
1577H173Gasket — Valve Body Cover Plate
1587C034Plate — Valve Body Cover*
159N807178-S1000Bolt, M6-1.0 x 18 Hex-Head (4 Att. 7C034 to 7A100)*
1607A098Filter and Seal Assembly — Fluid
1617A191Gasket — Transmission Pan
1627A194Pan — Transmission
163N605785-S1036Bolt, M8-1.25 x 18 Hex Flange Head (14 Att. Transmission Pan to Case)
1647L027Magnet — Ceramic Case*
1657H141Sensor — Transmission Fluid Temperature
166N806381-S1300Bolt, M8-1.25 x 46 Hex Shoulder Pilot (2 Att. 7C034 to 7A100)
167N807179-S1000Bolt, M6-1.0 x 52 Hex Flange Head (12 Att. 7A100 to 7005)
1687H111Retainer — Solenoid
1697E195Ball, 1/4 Diameter Coast Booster Valve Shuttle (8 Req'd)
1707H187Screen — Solenoid Pressure Supply
171N606022-S1000Bolt, M6-1.0 x 40 Hex Flange Head (13 Att. 7A100 to 7005)
1727E332Spring Assembly — Manual Valve Detent
1737Z276Seal, 0.864 x 0.070 O-Ring
(2 Req'd)
1747G276Bulkhead Assembly — Wiring Connector
1757Z484Seal, 6.07 x 1.70 O-Ring
(2 Req'd)
1767G484Solenoid Valve — Transmission Shift
1777G136Solenoid Valve — Transmission Torque Converter Clutch
178N605517-S1000Bolt, M6-1.0 x 16 Hex-Head (Retain 7G136 to 7A100)
1797Z136Seal, 0.489 x 0.070 O-Ring
1807Z484Seal, 0.176 x 0.070 O-Ring