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Home >> Audi >> 2012 >> Q7 3.0 TDI >> Repair and Diagnosis >> External Pages >> Different car >> Section 50 (4.2L - Cylinder Head & VALVETRAIN - Engine Code: Bar) >> 15 Cylinder Head, VALVETRAIN >> Removal And Installation >> Spur Gear Unit >> Removing

Spur Gear Unit: Removing

WARNING: This page is about a different car, the 2010 Audi Q7, 2009 Audi Q7, 2008 Audi Q7, and 2007 Audi Q7. However, it is still accessible from the selected car via links, so may be relevant.

-- Remove drive plate. Refer to DRIVE PLATE .

-- Remove left and right timing chain covers. Refer to LEFT AND RIGHT TIMING CHAIN COVERS .

-- Remove the intake manifold. Refer to INTAKE MANIFOLD, REMOVING AND INSTALLING .

-- Remove oil filter housing. Refer to OIL FILTER HOUSING .

-- Remove lower timing chain cover. Refer to LOWER TIMING CHAIN COVER .

-- Remove power-steering pump from cylinder block.

-- Remove hose clamp at A/C compressor dust cap -arrow-.

Fig 1: Identifying Dust Cap -Arrow- On End Of Shaft For A/C Compressor Drive Spur Gear
GWWA87-10392Courtesy of AUDI OF AMERICA, LLC

-- Remove the dust cap from the end of the shaft for the A/C compressor drive spur gear.

-- Remove power take-off drive chain. Refer to POWER TAKE-OFF DRIVE CHAIN .

-- Remove bolts -1 to 6-.

Fig 2: Identifying Spur Gear Unit Bolts
GWWA13-10331Courtesy of AUDI OF AMERICA, LLC

-- Remove spur gear unit.

-- Remove compression spring -2- between spur gear unit -1- and oil pump input shaft -3-.

Fig 3: Identifying Compress Spring -2- For Input Shaft -3- In Spur Gear Unit -1-
GWWA13-10337Courtesy of AUDI OF AMERICA, LLC

-- Remove driveshaft -arrow- for oil pump.

Fig 4: Drive Shaft For Oil Pump
GWWA13-0619Courtesy of AUDI OF AMERICA, LLC