Coolant Pump
Special tools and workshop equipment required
- Torque Wrench (5-50 Nm) V.A.G 1331
Removing
-- Remove the small coolant pipe. Refer to SMALL COOLANT PIPE .
-- Remove the throttle valve control module. Refer to Throttle Valve Control Module -J338- .
-- Remove the coolant pump toothed belt. Refer to COOLANT PUMP TOOTHED BELT .
-- Remove the nut -1-, the bolt -2- and the intake manifold support.
-- Remove the bonded rubber bushing for the intake manifold support from the intake manifold.
-- Remove the engine coolant temperature sensor -G62-. Refer to one of the following:
Inserted version, refer to Engine Coolant Temperature (ECT) Sensor with a Clip .
Threaded version, refer to ECT Sensor With A Retaining Plate .
-- Remove the bolts -5 through 1-.
-- Remove the coolant pump from the centering pins and the oil cooler.
Installing
Install in reverse order of removal. When doing this note the following:
Replace seals and O-rings.
-- Clean the O-ring sealing surfaces.
-- Lubricate the O-rings -4- with coolant.
-- Make sure both centering pins are installed in the cylinder block.
-- Install the connection piece -2- into the oil cooler -1-.
-- First, slide the coolant pump -3- onto the connecting piece and then onto the centering pins in the cylinder block.
-- Using a mirror, check if the coolant pump is seated correctly on the centering pins.
-- Tighten the bolts in sequence -1 through 5-.
If a new coolant pump was installed, then the protective cap -arrow- must be removed.
The rest of the installation follows the reverse of the removal procedures.