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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 >> Camshafts >> Removing

Removal And Installation: Camshafts: 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 camshaft timing chains from camshafts. Refer to CAMSHAFT TIMING CHAINS, REMOVING FROM CAMSHAFTS .

-- Disconnect electrical connector at intake camshaft position sensor -arrow-.

Fig 1: Disconnecting Electrical Connector At Intake Camshaft Position Sensor
GWWA15-10236Courtesy of AUDI OF AMERICA, LLC

-- Remove the high-pressure pump. Refer to HIGH PRESSURE PUMP, REMOVING AND INSTALLING .

CAUTION:

Risk of damaging valves and piston crowns.

  • In the course of the following steps, the crankshaft must not stand with any piston at Top Dead Center (TDC).

-- Remove 3242 from upper section of oil pan.

Fig 2: Identifying Crankshaft Holder 3242 Into Hole, Removal/Installation
GWWA13-0611Courtesy of AUDI OF AMERICA, LLC

-- Insert the T40058 guide pins as follows:

Fig 3: Inserting T40058 Guide Pin
GWWA13-10600Courtesy of AUDI OF AMERICA, LLC

-- Rotate crankshaft with T40058 opposite engine rotation direction 40° out of TDC position -arrow-.

Fig 4: Rotating Crankshaft With Socket T40058 Opposite Engine Rotation Direction 40 Degrees Out Of "TDC" Position
GWWA13-10324Courtesy of AUDI OF AMERICA, LLC

-- Remove T40070 at cylinder head.

Fig 5: Mounting Camshaft Locating Tool T40070 To Both Cylinder Heads
GWWA13-10111Courtesy of AUDI OF AMERICA, LLC

-- Loosen guide frame bolts in sequence -24 to 1-.

Fig 6: Bearing Frame Tightening Sequence
GWWA15-10225Courtesy of AUDI OF AMERICA, LLC
NOTE:

Proceed in the same way with right guide frame.

-- Carefully remove guide frame.

-- Mark camshafts and remove them.

NOTE:

Because the special tool cannot be used during installation, the alignment pins -arrows- on an engine with alignment pins must be driven out with a cotter pin driver.

Fig 7: Identifying Guide Frame Alignment Pins
GWWA10-10502Courtesy of AUDI OF AMERICA, LLC