Overview - Timing Chain Cover

WARNING: This page is about a different car, the 2015 Audi S7, 2015 Audi RS 7, 2014 Audi S7, 2014 Audi RS 7, and 2013 Audi S7. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Timing Chain Cover Overview

Courtesy of AUDI OF AMERICA, LLC

Bolt
- Replacing
- Tightening specification and sequence, refer to Fig 4.
Shaft Seal
- For the crankshaft on the transmission side
- Replacing, refer to CRANKSHAFT SEAL, REPLACING, TRANSMISSION SIDE .
Alignment Sleeve
- Quantity: 2
Lower Timing Chain Cover
- Removing and installing, refer to LOWER TIMING CHAIN COVER, REMOVING AND INSTALLING .
Left Cylinder Head Gasket
Bolt
- Tightening specification -item 12- OVERVIEW - COOLANT PIPES => List Item:Bolt .
Upper Rear Coolant Pipe
- Depending on the version with additional threaded connection
- Removing and installing, refer to UPPER REAR COOLANT PIPE, REMOVING AND INSTALLING .
Nut
- 9 Nm
Double Bolt
- Replacing
- Tightening specification and sequence, refer to Fig 2.
Left Timing Chain Cover
- Removing and installing, refer to LEFT TIMING CHAIN COVER, REMOVING AND INSTALLING .
Bracket
- Illustration does not correspond to version in vehicle
Bolt
- Replacing
- Tightening specification and sequence, refer to Fig 2.
O-Ring
- Replacing
Left Connecting Pipe
- Remove using a drift
O-Ring
- Replacing
O-Ring
- Replacing
Bolt
- 9 Nm
Connection
- For coolant
O-Ring
- Replacing
Bolt
- Replacing
- Tightening specification and sequence, refer to Fig 3.
Bracket
O-Ring
- Replacing
Right Connecting Pipe
- Remove using a drift
O-Ring
- Replacing
Right Timing Chain Cover
Removing and installing, refer to RIGHT TIMING CHAIN COVER, REMOVING AND INSTALLING .
Bolt
- Replacing
- Tightening specification and sequence, refer to Fig 3.
O-Ring
- Replacing
Clamp
Bolt
- Tightening specification -item 10- OVERVIEW - COOLANT PIPES => List Item:Bolt .
Right Cylinder Head Gasket
Alignment Sleeve
- Quantity: 2
Engine Speed Sensor -G28-
- Removing and installing, refer to Engine Speed Sensor -G28-, REMOVING AND INSTALLING .
Bolt
- Tightening specification, refer to OVERVIEW - IGNITION SYSTEM .

Fig 2: Left Timing Chain Cover Tightening Sequence

Courtesy of AUDI OF AMERICA, LLC

NOTE:

Replace any bolts that were tightened with an additional turn.

-- Tighten the bolts in steps in the sequence shown:

Step	Bolts	Tightening specification/additional turn
1.	-1 to 8-	5 Nm
2.	-1 to 8-	Tighten an additional 90°

NOTE:

The mount -arrow- is affixed with the timing chain guard.

Fig 3: Right Timing Chain Cover Tightening Sequence

Courtesy of AUDI OF AMERICA, LLC

NOTE:

Replace any bolts that were tightened with an additional turn.

-- Tighten the bolts in steps in the sequence shown:

Step	Bolts	Tightening specification/additional turn
1.	-1 to 8-	5 Nm
2.	-1 to 8-	Tighten an additional 90°

NOTE:

Ignore item -1-.

Fig 4: Lower Timing Chain Cover Tightening Sequence

Courtesy of AUDI OF AMERICA, LLC

NOTE:

Replace any bolts that were tightened with an additional turn.

-- Tighten bolts in stages as follows:

Step	Bolts	Tightening specification/additional turn
1.	-Arrows-	5 Nm
2.	-2 to 8-	8 Nm diagonally
3.	-Arrows-	8 Nm
4.	-2 to 8-	in a diagonal sequence, turn an additional 90°
5.	-Arrows-	Tighten an additional 90°