Coolant Pump, Removing And Installing: Installing

-- Replace the toothed belt coolant pump.

-- Replace the housing seal -arrows-.

Fig 1: Install position of the seals

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Make sure the seals fit correctly -arrows-.

-- Coat the seal on the coolant pump with coolant.

NOTE:

Perform the following procedure for installing the coolant pump exactly in the sequence given.

This will assure the toothed belt is tensioned correctly.

A second technician is needed for the following procedure.

-- Turn cylinder 1 to TDC. Refer to VALVE TIMING, CHECKING .

-- Lay the toothed belt in the center and move the coolant pump into its installed position.

-- Position the coolant pump and bolts on the cylinder head.

-- Tighten the bolts in the specified sequence.

Fig 2: Coolant Pump Tightening Sequence

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

Step	Component	Tightening Specification
1	-1 through 5-	Install by hand all the way
2	-1 through 5-	10 Nm

-- Loosen all the bolts one more turn.

-- Position the : VAS6583 with a 10 mm inner hex socket -6- on the coolant pump.

Fig 3: Identifying Coolant Pump Bolt Sequence

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

NOTE:

For better handling, position the : VAS6583 vertically.

-- Have the second technician pre-tension the coolant pump to 30 Nm.

NOTE:

Support the torque wrench with the other hand.

Do not put >>too much pressure<< on the torque wrench.

-- While the coolant pump is being held, tighten the bolts in the following sequence:

Step	Component	Tightening Specification
3	-2, 1 and 5-	10 Nm
4	-3, 4, 5, 1 and 2-	12 Nm

Further installation is performed in reverse order of removal, while noting the following:

Coolant hose connection diagram. Refer to CONNECTION DIAGRAM - COOLANT HOSES .

-- Fill with coolant. Refer to Filling .