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Home >> Audi >> 2012 >> Q7 3.0 TDI >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> 3.0L - Cooling System - Engine Code(S): CATA >> 19 Cooling System >> Removal And Installation >> Coolant Pump

Coolant Pump

Special tools and workshop equipment required 

Removing 

-- Drain the coolant. Refer to COOLING SYSTEM, DRAINING AND FILLING .

-- Remove the ribbed belt from the tensioning element. Refer to RIBBED BELT .

-- Tilt the toothed belt guard forward -arrows- and disengage the pins on the underside of the guard.

Fig 1: Identifying Toothed Belt Guard
GWWA23-10190Courtesy of AUDI OF AMERICA, LLC
NOTE:

The toothed belt guard is shown with the intake manifold upper section removed.

-- Using a 3212 as a counterholder, remove the bolts -arrows- and remove the coolant pump ribbed belt pulley.

Fig 2: Identifying Spanner Wrench 3212 And Bolts -Arrows-
GWWA13-0879Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolts and remove the coolant pump -arrow-.

Fig 3: Identifying Coolant Pump Bolts -Arrows-
GWWA19-10018Courtesy of AUDI OF AMERICA, LLC

Installing 

Install in reverse order of removal. Note the following:

-- Clean the sealing surface.

-- Tighten the coolant pump bolts. Refer to Figure.

-- Install the ribbed belt. Refer to RIBBED BELT .

-- Fill with coolant FILLING .