Removing Additional Coolant Pump
- Drain coolant at the connection point for the coolant pipe (left tunnel) -3-
.
Open plug-in coupling at the connection point and collect coolant.
Then, re-fit plug-in coupling.
Coolant lines/vent line (connection point in tunnel)
- Disconnect coolant hose -2-
at the front of the final drive -1-
.
Loosen spring clamp and pull off plug-in coupling -3- on the coolant connection piece.
Collect remaining emerging coolant.
Coolant hose on all-wheel final drive
- Remove restraining strap -1-
on fuel tank at the left.
Unscrew left screw -2- and disengage restraining strap on the front-axle carrier -5- .
Pull off retaining clip -3- on wiring harness and disconnect cable plug -4- on additional coolant pump.
Restraining straps on fuel tank and wiring harness for additional coolant pump
Recommended tools for loosening the screws on the additional coolant pump:
Tools for screws on additional coolant pump
1/4-inch extension (shown on the right screw) with ratchet or a small torque wrench 2 1/4-inch flexible-head socket-wrench insert, Torx E10 3 M6 screw, left side - Loosen additional coolant pump -1-
with holder -3-
.
Unscrew screws -2- using the recommended tool (from the wheel housing side).
Additional coolant pump on front-axle carrier
- Disconnect coolant hose -1-
going to the T-piece on the coolant pipe in the front left wheel housing.
Pull spring clamp -2- for the plug-in coupling into unlocked position and pull off the coupling.
Unclip vent line -3- at the holder.
Loosen holder -4- on the anti-roll-bar mount using a plastic wedge -5- .
Pull coolant hose out of the holder -arrow- .
(Carefully!) compressing the wheel carrier will give you better access for unclipping and clipping in the coolant hose on the holder.
Coolant hose in left wheel housing
- Remove additional coolant pump on the front-axle carrier.