Coolant Pump, Removing And Installing: Installing

WARNING: This page is about a different variant/trim than selected.

NOTE:

Replace the housing seal -arrows-.

Replace the toothed belt as well if the coolant pump is being replaced.

Secure hose connections with standard production clamps.

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

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

-- 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.

-- Pre-Tighten The Bolts In The Specified Sequence -1 Through 5- :

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Step	Component	Tightening Specification
1	Bolts -1 through 5-	Install by hand all the way
2	Bolts -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.

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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	Bolts -2, 1 and 5-	10 Nm
4	Bolts -3, 4, 5, 1 and 2-	12 Nm

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

Vehicles With Secondary Air System

-- Install the secondary air system bracket.

-- Install the Electric Drive Power and Control Electronics -JX1-. Refer to ELECTRO-DRIVE DRIVE MOTOR .

-- Install the Drive Motor High-Voltage Wiring Harness -PX2- on the Electric Drive Power and Control Electronics -JX1-. Refer to HIGH VOLTAGE CABLES .

Continuation For All Vehicles

-- Fill with coolant. Refer to Filling

CAUTION:

Extremely dangerous due to high-voltage.

Severe bodily injury or death by electrocution is possible.

- Have a qualified person put the high-voltage system back into service.

-- Bring the high-voltage system back into operation. Refer to HIGH VOLTAGE SYSTEM, TURNING BACK ON .