Coolant Thermostat Housing, Removing And Installing: Installing

Install in reverse order of removal and note the following:

• Replace the seals and O-rings.

-- Coat the O-rings -4- with coolant. Refer to Parts Information for the coolant.

Fig 1: Accessory Assembly Bracket, Coolant Pump Housing, Connection And O-Rings

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Make sure that both centering pins are installed in the cylinder block if necessary insert.

-- Install the connection piece -2- into the engine oil cooler -1-.

-- Push the coolant thermostat housing -3- onto the connection piece and onto the centering pins in the cylinder block.

-- Tighten the coolant thermostat housing bolts. Refer to Figure.

Fig 2: Engine Temperature Control Actuator Tightening Sequence

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Install the coolant pump. Refer to COOLANT PUMP, REMOVING AND INSTALLING .

-- After installing a new coolant pump -2-, remove the cap -1- from the drive wheel.

Fig 3: Identifying Coolant Pump

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Install the coolant pump toothed belt. Refer to COOLANT PUMP TOOTHED BELT, REMOVING AND INSTALLING .

-- Secure the Heater Support Pump -V488- again.

-- Fill the coolant. Refer to Filling .