Coolant pump, removing and installing

WARNING: This page is about a different car, the 2006 Audi A4, 2005 Audi A4, 2004 Audi A4, 2003 Audi A4, and 2002 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.

Removing

Drain coolant. Refer to Coolant, draining and refilling .
Remove toothed belt. Refer to Toothed belt, removing and installing .
Remove camshaft gears from right cylinder head.

Fig 1: Unscrewing Bolts And Removing Bracket With Idler Roller & Toothed Belt Guard At Right Rear

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Unscrew bolts -1- and remove bracket with idler roller.
Unscrew bolts -2- and remove toothed belt guard at right rear.
Remove eccentric pulley for toothed belt.

Fig 2: Removing Nuts For Toothed Belt Guard At Left Rear & Bolts For Coolant Pump And Remove Coolant Pump

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Remove nuts -2- for toothed belt guard at left rear.
Remove bolts -1- for coolant pump and remove coolant pump.

Installing

Installation is reverse of removal, noting the following:

NOTE: Replace gaskets and O-rings.

Install toothed belt (adjust timing). Refer to Installing (adjusting valve timing) .
Top up coolant. Refer to Filling .

Tightening torques

Component	Nm
Coolant pump to cylinder block	10
Rear toothed belt guard to coolant pump	10
Right rear toothed belt guard to engine	10 1)
Bracket for idler roller to cylinder head	10 1)

1) Always replace bolt