Coolant Thermostat Housing, Removing And Installing: Installing

WARNING: This page is about a different car, the 2017 Volkswagen Beetle. However, it is still accessible from the selected car via links, so may be relevant.

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 the approved list 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 thermostat housing -3- onto the connection piece and onto the centering pins in the cylinder block.

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

Fig 2: Coolant Pump/Thermostat 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 toothed belt on the coolant pump. Refer to COOLANT PUMP TOOTHED BELT, REMOVING AND INSTALLING .

-- Secure the After-Run Coolant Pump -V51- again.

-- Fill with coolant. Refer to Filling .