LEMON Manuals: Even more car manuals for everyone
Home >> Audi >> 2007 >> Q7 4.2 >> Repair and Diagnosis >> External Pages >> Different car >> Section 49 (3.0L - Cylinder Head & VALVETRAIN - Engine Code(S): CJTB, CJTC, CNAA, CJWB, CJWC, CJWE, CTWA, CTWB) >> 15 Cylinder Head, VALVETRAIN >> VALVETRAIN >> Camshafts, Removing And Installing >> Removing

Camshafts, Removing And Installing: Removing

WARNING: This page is about a different car, the 2015 Audi Q7, 2014 Audi Q7, 2013 Audi Q7, 2012 Audi Q7, and 2011 Audi Q7. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying Vacuum Pump
GWWA15-10640Courtesy of AUDI OF AMERICA, LLC

-- Remove the camshaft timing chains from the camshafts. Refer to CAMSHAFT TIMING CHAIN, REMOVING AND INSTALLING .

-- Remove the vacuum pump to remove the camshafts in the left cylinder head. Refer to Electrical Brake Vacuum Pump V192 .

-- To remove the camshafts in the right cylinder head, remove the high pressure pump and pump motor housing. Refer to HIGH PRESSURE PUMP, REMOVING AND INSTALLING .

Fig 2: High Pressure Pump & Bolts
GWWA24-10836Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolt -arrow- and remove the -N205- Camshaft Adjustment Valve 1 -N205- / Camshaft Adjustment Valve 2 -N208-.

Fig 3: Camshaft Adjustment Valve
GWWA15-10643Courtesy of AUDI OF AMERICA, LLC
NOTE:

Ignore -arrow-.

-- Disconnect the connector -1- from the Camshaft Position Sensor -G40- / Camshaft Position Sensor 2 -G163-.

Fig 4: Camshaft Position Sensor 2 -G163- Connector Location
GWWA24-10292Courtesy of AUDI OF AMERICA, LLC
NOTE:

Ignore item -1-.

-- Remove the Ground (GND) wire bolt -2-.

Fig 5: Ground Wire Bolt -2-
GWWA15-10929Courtesy of AUDI OF AMERICA, LLC

-- Free up the vacuum hose -1- on cylinder bank 2 (left).

Fig 6: Identifying Vacuum Hose -1-, Bolts -Arrows- And Cover -2-
GWWA21-10462Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolts -arrows- and remove the cover -2-.

-- Loosen the guide frame bolts in the following sequence: -21 through 1-.

Fig 7: Guide Frame Bolt Tightening Sequence
GWWA15-10312Courtesy of AUDI OF AMERICA, LLC
NOTE:

Proceed in the same way with right guide frame.

-- Remove the bolts, carefully loosen the guide from out of the bond and place it with the camshafts on a soft surface.

-- Remove the Camshaft ClampT40133 -arrows-.

Fig 8: Camshaft Adjuster T40133
GWWA13-10477Courtesy of AUDI OF AMERICA, LLC

-- Mark the camshafts, remove them and lay them on a clean surface.