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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 >> Chain Drive >> Lower Timing Chain Cover, Removing And Installing >> Removing

Lower Timing Chain Cover, 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.

-- Remove the upper coolant pipe. Refer to UPPER COOLANT PIPE, REMOVING AND INSTALLING .

NOTE:

When installing, bring all cable ties back to same positions.

-- Remove the oil filter housing. Refer to OIL FILTER HOUSING, REMOVING AND INSTALLING .

-- Remove the drive plate. Refer to DRIVE PLATE, REMOVING AND INSTALLING .

-- Remove the left and right timing chain covers. Refer to LEFT AND RIGHT TIMING CHAIN COVER, REMOVING AND INSTALLING .

-- Disconnect the connector -3- from the Engine Speed Sensor -G28-.

Fig 1: Identifying RPM Sensor, Cover And Bolt
GWWA28-10052Courtesy of AUDI OF AMERICA, LLC
NOTE:

Ignore items -1 and 2-.

-- Remove the bolts from the left timing chain guard -3- and remove the bracket.

Fig 2: Electrical Connectors On Left Rear Of Engine
GWWA15-10926Courtesy of AUDI OF AMERICA, LLC
NOTE:

Ignore items -1 and 2-.

-- Remove the bolts from the right timing chain guard -1- and remove the bracket.

Fig 3: Connector & Knock Sensor (KS)
GWWA15-10927Courtesy of AUDI OF AMERICA, LLC
NOTE:

Ignore items -2 and 3-.

-- Remove the bolts -arrows-.

Fig 4: Identifying Lower Timing Chain Cover Bolt Loosening And Tightening Sequence
GWWA15-10503Courtesy of AUDI OF AMERICA, LLC

-- Loosen and remove the bolts -1 through 10- in a diagonal sequence.

-- Carefully separate the timing chain guard lower section from the bond.

-- Press the transmission side of the crankshaft shaft seal out of the lower timing chain cover.