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Audi ur-quattro 10V WR, WX, GV and MB Engines
Engine Removal

Engine removal and replacement

10-689 Detaching the hydraulic pump

Detach the hydraulic pump after loosening the drive belt.
- WR, WX - slide out the pump pivot bolt to free the pump
- MB - Remove the mounting bracket from the side of the head - the pivot bolt cannot be removed as it fouls the auxiliary radiator
Tie the pump up out of the way - the hoses remain attached

10-690 Detaching various hoses from the left side of the engine

Detach the coolant hose from the thermostat housing
Detach the connectors from the oil pressure switch, control pressure regulator, injector cooling fan and low coolant temperature warning switch - tie the loom back with a cable tie.
Pull the power connector off the radiator fan
Detach the hose from the coolant header tank
Detach the air vent hose from the top of the auxiliary radiator
Detach both main hoses from the auxiliary radiator

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