387519 Removing and Installing ATF Thermostat

WM 387519 Removing and installing ATF thermostat

Tools





Technical values






Preliminary work

Preliminary work for ATF thermostat

1. Remove engine guard. -> 108019 Removing and installing engine guard - section on "removing" 108019 Removing and installing engine guard (underbody panelling)

Removing ATF thermostat





Overview of ATF thermostat

1. 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)

Information

- Counter when loosening the ATF lines.

Information

- To prevent oil from spreading into the body front section, a material 00000 should be held underneath.

2. Undo ATF line screw connection on cooler side -Arrow- at the thermostat.





ATF cooler line at thermostat

3. Unscrew ATF line fastening screw -Arrow- to thermostat





ATF line to thermostat

4. Unscrew ATF thermostat fastening screw -Arrow- to cooler.





ATF thermostat on cooler

Information

- To prevent oil from spreading into the body front section, a material 00000 should be held underneath.

5. Hold shop-made tool (material) 00000 -figure- under ATF thermostat.





Discharge chute

6. Disconnect ATF lines from thermostat and drain off ATF.
7. Remove thermostat.

Installing ATF thermostat





Overview of ATF thermostat

Information

- 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: 3.5 Nm (2.5 ftlb.)





ATF thermostat on cooler

5. Tighten ATF line fastening screw -arrow- to thermostat. => Tightening torque: 10 Nm (7.5 ftlb.)





ATF line to thermostat

Information

- Counter when fastening the ATF lines.

6. Screw in ATF line screws on cooler side -arrow- at the thermostat. => Tightening torque: 23 Nm (17 ftlb.)





ATF cooler lines at thermostat

7. Unscrew ATF inspection plug -A- and fill in ATF until a constant discharge is visible at the lifting tube.





Oil inspection and drain plug

8. Screw in ATF inspection plug -A- with new sealing ring. => Tightening torque: 70 Nm (52 ftlb.)

Subsequent work

Subsequent work for ATF thermostat

1. Check and if necessary, top up the ATF. -> 370235 Checking and topping up the ATF 370235 Checking and topping up ATF
2. Fit engine guard. -> 108019 Removing and installing engine guard - section on "installing" 108019 Removing and installing engine guard (underbody panelling)