Overview - Timing Chain Covers

WARNING: This page is about a different variant/trim than selected.

Fig 1: Timing Chain Covers Overview

Courtesy of AUDI OF AMERICA, LLC

Bolt
- Tightening specification and sequence. Refer to Fig 4.
Shaft Seal
- For the crankshaft on the transmission side
- Replacing. Refer to CRANKSHAFT SEAL, REMOVING AND INSTALLING, TRANSMISSION SIDE .
Bolt
- Tightening specification and sequence. Refer to Fig 4.
Alignment Sleeve
- Quantity: 2
Timing Chain Cover Lower Section
- Sleeve installation instructions. Refer to Installing
- Removing and installing. Refer to LOWER TIMING CHAIN COVER, REMOVING AND INSTALLING
Threaded Pin
- Tightening specification -item 13- OVERVIEW - OIL FILTER HOUSING .
Left Cylinder Head Gasket
Bolt
- Replace
  Tightening specification and sequence. Refer to Fig 2
Bracket
- For wiring harness
Bracket
- For wiring harness
Bolt
- Replace
  Tightening specification and sequence. Refer to Fig 2
Left Timing Chain Cover
- Removing and installing. Refer to LEFT AND RIGHT TIMING CHAIN COVER, REMOVING AND INSTALLING
Seal
- Replace
Seal
- Replace
Right Cylinder Head Gasket
Right Timing Chain Cover
- Removing and installing. Refer to LEFT AND RIGHT TIMING CHAIN COVER, REMOVING AND INSTALLING
Nut
- 9 Nm
Bracket
- For electric wires
Threaded Pin
- Tightening specification and sequence. Refer to Fig 3
Bracket
- For heat shield
Bolt
- Replace
- Tightening specification and sequence. Refer to Fig 3
Alignment Sleeve
- Quantity: 2
Bolt
- Replace
- Tightening specification and sequence. Refer to Fig 3
Cover
- For the opening for the starter
Engine Speed Sensor -G28-
Bolt
- Tightening specification. Refer to Special Tools .
Cover
- for Engine Speed Sensor -G28-

Fig 2: Identifying Left Timing Chain Cover Bolt Loosening Sequence

Courtesy of AUDI OF AMERICA, LLC

NOTE:

Replace any bolts that were tightened with an additional turn.

The brackets -arrows A and B- are connected with the left timing chain cover.

-- Tighten the bolts in two steps in the sequence shown.

Step	Bolts	Tightening Specification/Additional Turn
1.	-1 to 8-	5 Nm
2.	-1 to 8-	Tighten 90° additional turn

Fig 3: Identifying Right Timing Chain Cover Bolt, Tightening/Loosening Sequence

Courtesy of AUDI OF AMERICA, LLC

NOTE:

Replace any bolts that were tightened with an additional turn.

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

-- Tighten the bolts in two steps in the sequence shown.

Step	Bolts	Tightening Specification/Additional Turn
1.	-1 to 8-	5 Nm
2.	-1 to 8-	Tighten 90° additional turn

Fig 4: Identifying Lower Timing Chain Cover Bolt Loosening And 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-	3 Nm
2.	-1 to 10-	3 Nm diagonally
3.	-1, 2, 4, 5 and 7-	Tighten 90° additional turn
4.	-Arrows-	9 Nm
5.	-8, 9, and 10-	8 Nm
6.	-8, 9, and 10-	Tighten 90° additional turn
7.	-3-	16 Nm
8.	-6-	20 Nm
9.	-6-	Tighten 180° additional turn