307-01-1 Automatic Transaxle/Transmission 4R70E/4R75E 307-01-1 DISASSEMBLY AND ASSEMBLY Main Control Valve Body Disassembly Main Control Valve Body Disassembled View Item Part Number Description Item Part Number Description 1 Valve plug retainer (part of 2 Main pressure booster valve sleeve (part of 3 Main pressure booster valve (part of 4 Main pressure regulator valve spring (part of Copyright 2003, Ford Motor Company Last updated: 1/3/2008
307-01-2 Automatic Transaxle/Transmission 4R70E/4R75E 307-01-2 Item Part Number Description Item Part Number Description 5 Main regulator valve (part of 31 Retaining ring (part of 6 7A100 Main control valve body 32 Solenoid screen assembly 33 1-2 shift valve (part of 7 7E195 Check ball (8 required) 8 7H171 Converter drain back valve 34 2-3 shift valve spring (part of 9 Overdrive servo regulator valve (part of 35 2-3 valve (part of 10 Overdrive servo regulator 36 Valve retaining plug (part of valve spring (part of 11 Overdrive servo regulator 37 Valve plug retainer (part of boost plunger (part of 12 Overdrive servo regulator 38 Spring retaining plate (part of boost sleeve (part of 13 Valve retainer (part of 39 Pressure regulator valve spring (part of 14 Capacity modulator valve 40 Pressure regulator valve (part (part of of 15 Capacity modulator valve 41 Bypass clutch control valve spring (part of (part of 16 Spring retaining plate (part of 42 Bypass clutch control valve spring (part of 17 Capacity modulator valve 43 Bypass clutch control valve (part of plunger (part of 18 Capacity modulator valve 44 Bypass clutch control plunger spring (part of sleeve (part of 19 Spring retaining plate (part of 45 Control valve plate (part of 20 3-4 shift valve (part of 1. Remove the torque converter clutch (TCC) 21 3-4 shift valve spring (part of solenoid and the shift solenoid. 22 1 Remove the retaining bolt. Valve retainer plug (part of 2 Remove the shift solenoid. 23 Valve plug retainer (part of 3 Remove the TCC solenoid. 24 2-3 back out valve (part of 25 2-3 back out valve spring (part of 26 Spring retaining plate (part of 27 Spring retaining plate (part of 28 Pressure regulator valve spring (part of 29 Pressure regulator valve (part of 30 Control manual valve (part of
307-01-3 Automatic Transaxle/Transmission 4R70E/4R75E 307-01-3 2. Remove the 2 reinforcement plates. 3. Remove the separator plate and discard the gaskets. 1 Remove the bolts. 2 Remove the plates.
307-01-4 Automatic Transaxle/Transmission 4R70E/4R75E 307-01-4 4. NOTE: Note the location of the eight coasting booster valve shuttle balls for assembly. Remove the 8 coasting booster valve shuttle balls. Item Part Number Description Item Part Number Description 1 7E195 Check ball (B9) located in the forward clutch circuit near the 3-4 shift valve 2 7E195 Check ball (B2) located in the direct clutch circuit near the 2-3 backout valve 3 7E195 Check ball (B3) located in the overdrive and forward clutch circuits near the 1-2 shift valve 4 7E195 Check ball (B4) located in the reverse circuit near the orifice 1 5 7E195 Check ball (B5) located between the reverse, LS modulator and the low reverse servo circuits 6 7E195 Check ball (B6) located between the L, 2, 3, 4 and the torque converter clutch (TCC) circuits 7 7E195 Check ball (B7) located between the L, 2, 3, 4 and the intermediate clutch circuits 8 7E195 Check ball (B8) located between the forward clutch and the 23 BP circuits
307-01-5 Automatic Transaxle/Transmission 4R70E/4R75E 307-01-5 5. Remove the converter drain back valve and solenoid pressure supply screen. 6. Remove the main control valve body cover plate. 1 Remove the 13 main control valve body cover plate bolts. Assembly NOTE: Inspect the shift solenoid O-rings and TCC solenoid O-rings for damage. 2 Remove the main control valve body cover 1. Install the valve body cover plate. plate. 1 Position the valve body cover plate gasket and cover plate. 2 Loosely install the 2 guide pin bolts. 3 Loosely install the remaining bolts.
307-01-6 Automatic Transaxle/Transmission 4R70E/4R75E 307-01-6 2. Tighten all the bolts in the sequence shown. 3. Install the 8 coasting booster valve shuttle balls. Item Part Number Description Item Part Number Description 1 7E195 Check ball (B9) located in 4 7E195 Check ball (B4) located in the forward clutch circuit near the reverse circuit near the the 3-4 shift valve orifice 1 2 7E195 Check ball (B2) located in 5 7E195 Check ball (B5) located the direct clutch circuit near between the reverse, LS the 2-3 backout valve modulator and the low 3 7E195 Check ball (B3) located in reverse servo circuits the overdrive and forward 6 7E195 Check ball (B6) located clutch circuits near the 1-2 between the L, 2, 3, 4 and shift valve the torque converter clutch (TCC) circuits
307-01-7 Automatic Transaxle/Transmission 4R70E/4R75E 307-01-7 Item Part Number Description 7 7E195 Check ball (B7) located between the L, 2, 3, 4 and the intermediate clutch circuits 8 7E195 Check ball (B8) located between the forward clutch and the 23 BP circuits 4. Install the converter drain back valve and solenoid pressure supply screen. 5. Install the separator plate and gaskets. 6. Install the 2 reinforcement plates. 1 Position the plates. 2 Install the reinforcement plate bolts.
307-01-8 Automatic Transaxle/Transmission 4R70E/4R75E 307-01-8 7. Install the shift solenoid. 1 Position the TCC solenoid. 2 Position the shift solenoid. 3 Install the bolt.