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Home >> Audi >> 2009 >> Q7 4.2 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 23 (3.0L - Diesel Fuel Injection - Engine Code: CATA) >> 23 Diesel Fuel Injection >> High Pressure Pump Toothed Belt >> High Pressure Pump Toothed Belt, Removing And Installing >> Removing

High Pressure Pump Toothed Belt, Removing And Installing: Removing

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

-- Remove the engine cover. Refer to ENGINE COVER, REMOVING AND INSTALLING .

-- Tilt the toothed belt guard forward -arrows- and disengage the pins on the bottom side of the guard.

Fig 1: Identifying Toothed Belt Guard
GWWA23-10190Courtesy of AUDI OF AMERICA, LLC
NOTE:

The toothed belt guard is shown with the intake manifold upper section removed.

CAUTION:

A used toothed belt could be destroyed if the running direction is reversed.

Before removing the ribbed belt, mark the running direction with chalk or a felt-tip pen for installation later.

-- Loose the toothed belt tensioning roller bolts -arrow- 2 turns.

Fig 2: Identifying Toothed Belt Tensioning Roller And Bolt -Arrow-
GWWA23-10199Courtesy of AUDI OF AMERICA, LLC

-- Loosen the toothed belt drive sprocket bolt -1- 2 turns using the Wrench - Pin Type3036.

Fig 3: Identifying Toothed Belt Drive Sprocket Bolt -1- And 3036
GWWA15-10479Courtesy of AUDI OF AMERICA, LLC

-- Remove the toothed belt drive sprocket using the Puller - Toothed Belt PulleyT10320.

Fig 4: Identifying Toothed Belt Drive Sprocket Using T10320
GWWA15-10480Courtesy of AUDI OF AMERICA, LLC
NOTE:

The toothed belt drive sprocket remains on the camshaft.

-- First remove the toothed belt from the high pressure pump sprocket and then from the drive sprocket.