Overview - Timing Chain Cover

WARNING: This page is about a different car, the 2009 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Timing Chain Covers Overview

Courtesy of AUDI OF AMERICA, LLC

Bolt
- Tightening specification and sequence. Refer to Fig 4.
Crankshaft Shaft Seal, Transmission Side
- Replacing. Refer to CRANKSHAFT SEAL, REPLACING, TRANSMISSION SIDE .
Bolt
- Tightening specification and sequence. Refer to Fig 4.
Alignment Sleeve
- Quantity: 2
Bolt
- Tightening specification. Refer to OVERVIEW - OIL FILTER/OIL PRESSURE SWITCH -item 13- "Bolt".
Left Cylinder Head Gasket
Left Timing Chain Cover
- Removing and installing. Refer to LEFT AND RIGHT TIMING CHAIN COVER, REMOVING AND INSTALLING .
Bracket
- For wiring harness
Bolt
- Replace
- Tightening specification and sequence. Refer to Fig 2.
Lower Timing Chain Cover
- Removing and installing. Refer to LOWER TIMING CHAIN COVER, REMOVING AND INSTALLING .
Seals
- Replace
Bolt
- Tightening specification and sequence. Refer to Fig 3.
Bracket
- For the connectors
Bolt
- Replace
- Tightening specification and sequence. Refer to Fig 3.
Right Timing Chain Cover
- Removing and installing. Refer to LEFT AND RIGHT TIMING CHAIN COVER, REMOVING AND INSTALLING .
Right Cylinder Head Gasket
Alignment Sleeve
- Quantity: 2
Bolt
- Tightening specification and sequence. Refer to Fig 4.
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: Identifying Sequence Of Left Timing Chain Cover Bolts

Courtesy of AUDI OF AMERICA, LLC

-- Replace the bolts for the left timing chain cover.

-- Tighten bolts in 2 stages in -1 to 8- sequence as follows:

-- Tighten to 5 Nm-- Tighten an additional 90°.

Fig 3: Identifying Sequence Of Right Timing Chain Cover Bolts

Courtesy of AUDI OF AMERICA, LLC

-- Replace the bolts for the right timing chain cover.

-- Tighten bolts in 2 stages in -1 to 8- sequence as follows:

-- Tighten to 5 Nm-- Tighten an additional 90°.

Fig 4: Identifying Lower Timing Chain Cover Bolt Loosening Sequence

Courtesy of AUDI OF AMERICA, LLC

-- Tighten bolts in six stages as follows:

-- Insert the bolts -arrows- and tighten them to 5 Nm.-- Tighten the bolts -1 to 10- in a diagonal sequence to 9 Nm.-- Tighten the bolts -arrows- to 9 Nm.-- Tighten the bolts -8, 9 and 10- to 22 Nm.-- Tighten the bolt -3- to 16 Nm.-- Tighten the bolt -6- to 70 Nm.