Overview - Timing Chain Cover: Notes

WARNING: This page is about a different car, the 2015 Audi A7 Quattro and 2014 Audi A7 Quattro. 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
- Replace
- Tightening specification and sequence, refer to Lower Timing Chain Cover - Tightening Specification and Sequence: Vehicles with Aluminum Oil Pan Upper Section .
Sensor wheel
- for Engine Speed Sensor -G28-
Shaft Seal
- For the crankshaft on the transmission side
- Removing and installing, refer to CRANKSHAFT SEAL, REPLACING, TRANSMISSION SIDE .
Lower Timing Chain Cover
- Removing and installing, refer to LOWER TIMING CHAIN COVER, REMOVING AND INSTALLING .
Alignment Sleeve
Seal
- Replace
Bolt
- Replace
- Tightening specification and sequence, refer to Fig 2.
Left Timing Chain Cover
- Removing and installing, refer to TIMING CHAIN GUARD UPPER SECTION, REMOVING AND INSTALLING .
Bolt
- Replace
- Tightening specification and sequence, refer to Fig 2.
Seal
- Replace
Bolt
- Replace
- Tightening specification and sequence, refer to Fig 3.
Right Timing Chain Cover
- Removing and installing, refer to TIMING CHAIN GUARD UPPER SECTION, REMOVING AND INSTALLING .
Bolt
- Replace
- Tightening specification and sequence, refer to Fig 3.
Alignment Sleeve
Seal
- Quantity: 2
Engine Speed Sensor -G28-
- Removing and installing, refer to Engine Speed Sensor -G28-, REMOVING AND INSTALLING .
Bolt
- Tightening specification -item 8- OVERVIEW - GLOW PLUG SYSTEM => List Item:Bolt .

Fig 2: Upper Left Timing Chain Cover, Tightening Specifications and Sequence

Courtesy of AUDI OF AMERICA, LLC

NOTE: Replace the bolts that were tightened with an additional turn.

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

Step	Bolts	Tightening Specification/Additional Turn
1.	-1, 2, and 3-	Install all the way in by hand.
2.	-4 to 7-	Install all the way in by hand.
3.	-1 to 7-	8 Nm
4.	-1 to 7-	8 Nm - this measurement takes into account the timing chain cover shrinkage.
5.	-1 to 7-	Tighten an additional 90°

Fig 3: Upper Right Timing Chain Cover, Tightening Specifications and Sequence

Courtesy of AUDI OF AMERICA, LLC

NOTE: Replace the bolts that were tightened with an additional turn.

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

Step	Bolts	Tightening Specification/Additional Turn
1.	-1, 2, and 3-	Install all the way in by hand.
2.	-4 to 7-	Install all the way in by hand.
3.	-1 to 7-	8 Nm
4.	-1 to 7-	8 Nm - this measurement takes into account the timing chain cover shrinkage.
5.	-1 to 7-	Tighten an additional 90°