Transmission Temperature Sensor/Switch: Service and Repair
Removing and installing ATF thermostatTools
Preliminary work for ATF thermostat
1. Remove engine guard.
Removing ATF thermostat
Overview Of ATF Thermostat:
1. Disconnect the connection on the charge air cooler. To do this, remove locking clip -1- and pull off the line.
2. Disconnect line of the ambient air valve module -2-. To do this, remove the spring band clamp and pull off the line.
3. Disconnect suction line from engine. To do this, remove locking clip -arrow- and pull off the line.
4. Place oil collecting container underneath the vehicle.
WARNING: Danger of scalding and chemical burns from hot ATF
^ Allow ATF to cool down
^ Wear personal protective gear (goggles, gloves)
Note:
^ Counter when loosening the ATF lines.
Note:
^ To prevent oil from spreading into the body front section, a material 00000 should be held underneath.
5. Undo ATF line screw connection on cooler side -arrow- at the thermostat.
6. Unscrew ATF line fastening screw -arrow- to thermostat.
7. Unscrew ATF thermostat fastening screw -arrow- to cooler.
Note:
^ To prevent oil from spreading into the body front section, a material 00000 should be held underneath.
8. Hold shop-made tool (material) 00000-figure- under ATF thermostat.
9. Disconnect ATF lines from thermostat and drain off ATF.
10. Remove thermostat.
Installing ATF thermostat
Overview Of ATF Cooler:
Note:
^ The sealing rings at the ends of the ATF lines on the transmission and cooler sides must be replaced before installation.
1. Replace sealing rings on the ATF lines and coat with ATF.
2. Connect transmission-side ATF lines to thermostat. Insert the upper line first.
3. Insert ATF cooler lines.
4. Tighten ATF thermostat fastening screw -arrow- to cooler. Tightening torque: 2.5 ftlb.
5. Tighten ATF line fastening screw -arrow- to thermostat. Tightening torque: 7.5 ftlb.
Note:
^ Counter when fastening the ATF lines.
6. Tighten ATF line screw connection on cooler side -arrow- at the thermostat. Tightening torque: 22 ftlb.
7. Connect suction line to engine. To do so, insert locking clip -arrow- and push line on until it engages.
8. Connect line of the ambient air valve module -2-. To do so, fit the spring band clamp and connect lead.
9. Insert locking clip -1- on charge air cooler suction line and push line on until it engages.
10. Unscrew ATF control screw -A- and fill in ATF until a constant discharge is visible at the lifting tube.
11. Screw in ATF inspection plug with new sealing ring. Tightening torque: 52 ftlb.
Subsequent work
Subsequent work for ATF thermostat
1. Check and if necessary, top up the ATF.
2. Fit engine guard.