307-01-1 Automatic Transaxle/Transmission 6F50 307-01-1 IN-VEHICLE REPAIR Output Shaft Speed (OSS) Sensor Material Item MERCON V Automatic Transmission Fluid XT-5-QM (or XT-5-QMC) (US); CXT-5-LM12 (Canada) Removal Specification MERCON V 1. With the vehicle in NEUTRAL, position it on a hoist. For additional information, refer to Section 100-02. 2. Disconnect the mass air flow (MAF) sensor electrical connector. 5. Loosen the air cleaner outlet pipe clamp at the throttle body and remove the air cleaner and air cleaner outlet pipe assembly. 3. Disconnect the engine breather from the air cleaner assembly. 6. Remove the transmission fluid drain plug and allow the transmission fluid to drain. 4. Remove the 2 air cleaner assembly bracket bolts. Copyright 2007, Ford Motor Company Last updated: 05/07/2007
307-01-2 Automatic Transaxle/Transmission 6F50 307-01-2 7. Install the transmission fluid drain plug. Tighten to 9 Nm (80 lb-in). 8. Remove the coolant hoses from the transmission fluid filler tube. 11. Loosen the transmission fluid cooler tube fitting from the thermal bypass valve. 9. Remove the transmission fluid level indicator. 12. Remove the transmission fluid cooler tube bolt and the transmission fluid cooler tube. 10. Remove the nut, rotate the transmission fluid filler tube counterclockwise 90 degrees and remove the transmission fluid filler tube.
307-01-3 Automatic Transaxle/Transmission 6F50 307-01-3 13. Inspect the transaxle case to make sure that the 15. Remove the 2 nuts, pull the transmission fluid transmission fluid cooler tube seal and backing cooler thermal bypass valve straight up and ring were removed with the transmission fluid position it aside. cooler tube and are not stuck in the transaxle case. If the transmission fluid cooler tube seal or backing ring are stuck in the transaxle case, remove the seal and backing ring. 14. Disconnect the transaxle electrical connector and remove the wiring harness fastener from the main control cover stud. 16. NOTE: Note the location of the of the studbolts for assembly. Remove the 14 bolts and the main control cover.
307-01-4 Automatic Transaxle/Transmission 6F50 307-01-4 17. Disconnect the transmission range (TR) sensor electrical connector. 1 Slide the lock over. 2 Press the tab and disconnect the connector. 18. Disconnect the turbine shaft speed (TSS) and output shaft speed (OSS) sensor electrical connectors. 19. NOTE: Note the location of the different length bolts for assembly. Remove the 11 bolts and the solenoid body. 20. CAUTION: Do not handle the solenoid body in the leadframe area or by the screens of the solenoid body filter or damage to the solenoid body may occur. CAUTION: Use care not to break the alignment tabs when removing the solenoid body filter. Damage to the transaxle will occur if the solenoid body is not correctly aligned. Remove the solenoid body filter assembly by pulling it straight up from the alignment tabs. Discard the filter.
307-01-5 Automatic Transaxle/Transmission 6F50 307-01-5 21. Remove the 10 bolts, the TR sensor detent spring and the main control valve body. 2. NOTE: If cleaning the main control assembly or inspecting the valves, refer to Section 307-03. If installing a new main control assembly continue with this procedure. NOTE: Make sure that the manual pin (part of the TR sensor) is correctly installed in the manual valve. Position the TSS, OSS and TR sensor wiring harnesses aside and install the main control valve body. 22. Remove the bolt and the OSS sensor. Installation 1. Install the OSS sensor and the bolt. Tighten to 12 Nm (9 lb-ft).
307-01-6 Automatic Transaxle/Transmission 6F50 307-01-6 3. Inspect the manual pin to make sure it is 5. CAUTION: Do not handle the solenoid correctly installed in the manual valve. If it is body in the leadframe area or by the screens not, pull the valve body off the transaxle case. of the solenoid body filter or damage to the Correctly install the manual pin in the manual solenoid body may occur. valve and position the valve body in place. CAUTION: Use care not to break the alignment tabs when installing the solenoid body filter. Damage to the transaxle will occur if the solenoid body is not correctly aligned. 4. Install the TR sensor detent spring and the 10 bolts. Tighten the bolts in the sequence shown. Tighten to 12 Nm (9 lb-ft). CAUTION: Make sure that the filter passage areas are clean of foreign material before installing the filter. Damage to the transaxle will occur if the filter passages are not clean. Install a new solenoid body filter assembly by pushing it straight down on to the alignment tabs.
307-01-7 Automatic Transaxle/Transmission 6F50 307-01-7 6. CAUTION: Make sure not to pinch the turbine shaft speed (TSS), output shaft speed (OSS) or transmission range (TR) sensor wiring harnesses when installing the solenoid body. Damage to the wiring harness will occur. NOTE: Install the different length bolts in the locations noted during disassembly. Install the solenoid body and the 11 bolts. 1 42 mm (1.65 in) bolt 2 63 mm (2.48 in) bolts 3 80 mm (3.14 in) bolts 4 95 mm (3.74 in) bolts 8. Route the OSS sensor wiring harness and connect the electrical connector. 7. Tighten the solenoid body bolts in the sequence shown. Tighten to 12 Nm (9 lb-ft).
307-01-8 Automatic Transaxle/Transmission 6F50 307-01-8 9. Connect the TR sensor electrical connector. 12. CAUTION: Inspect the 20-pin solenoid 1 Connect the electrical connector. body connector seal to make sure that the 2 Slide the locking tab over. seal is on the inside of the main control cover. Transmission fluid leak will occur. NOTE: Install the studbolts in the locations noted during disassembly. Install the main control cover and loosely install the 14 bolts. 1 Bolt location 2 Studbolt location 10. Connect the TSS sensor electrical connector. 11. Inspect the transaxle side cover seal for damage and install new if necessary.
307-01-9 Automatic Transaxle/Transmission 6F50 307-01-9 13. Tighten the main control cover bolts in the sequence shown. Tighten to 12 Nm (9 lb-ft). 14. Position the transmission fluid cooler thermal bypass valve and transmission fluid cooler tube assembly in place and install the 2 nuts. Tighten to 9 Nm (80 lb-in). 16. Inspect the transmission fluid cooler tube backing ring and seal for damage and install a new backing ring or seal if necessary. Lubricate the transmission fluid cooler tube seal with clean automatic transmission fluid and install the backing ring and seal on the transmission fluid cooler tube. 15. Connect the transaxle electrical connector and install the wiring harness fastener on the main control cover stud. Item Part Number Description 1 7D285 Seal 2 7J324 Backing ring
307-01-10 Automatic Transaxle/Transmission 6F50 307-01-10 17. Position the transmission fluid cooler tube in 20. Install the transmission fluid level indicator. place and install the bolt. Tighten to 11 Nm (8 lb-ft). 18. Tighten the transmission fluid cooler tube fitting. Tighten to 25 Nm (18 lb-ft). 21. Route the coolant hoses in the transmission fluid filler tube. 19. Install the fluid filler tube and the nut. Tighten to 11 Nm (8 lb-ft). 22. Position the air cleaner assembly in place and install the 2 air cleaner assembly bracket bolts. Tighten to 11 Nm (8 lb-ft).
307-01-11 Automatic Transaxle/Transmission 6F50 307-01-11 23. Tighten the air cleaner outlet pipe clamp at the 25. Connect the MAF sensor electrical connector. throttle body. Tighten to 5 Nm (44 lb-in). 24. Connect the engine breather to the air cleaner assembly. 26. Fill with clean automatic transmission fluid to the correct level.