Timing Chain Covers Overview

Fig 1: Identifying Timing Chain Covers, Assembly Overview

Courtesy of AUDI OF AMERICA, LLC

1. Bolt
   • Tightening specification and sequence, refer to Fig 4
2. Crankshaft Shaft Seal, Transmission Side
   • Replacing, refer to CRANKSHAFT SEAL, TRANSMISSION SIDE .
3. Alignment Bushing
   • 2 pieces
4. Left Cylinder Head Gasket
5. Bolt
   • Tightening specification and sequence, refer to Fig 2
6. Left Timing Chain Cover
   • Removal and installation, refer to LEFT AND RIGHT TIMING CHAIN COVERS 
7. O-ring
   • Replace
8. Left Coolant Intermediate Pipe
   • Drive out with suitable drift
9. O-ring
   • Replace
10. Bolt
    • Tightening specification and sequence, refer to Fig 3
11. Right Timing Chain Cover
    • Removal and installation, refer to LEFT AND RIGHT TIMING CHAIN COVERS 
12. O-ring
    • Replace
13. Right Coolant Intermediate Pipe
    • Drive out with suitable drift
14. O-ring
    • Replace
15. Right Cylinder Head Gasket
16. Alignment Bushing
    • 2 pieces
17. Lower Timing Chain Cover
    • Removal and installation, refer to LOWER TIMING CHAIN COVER 

Fig 2: Identifying Left Timing Chain Cover And Tightening Bolts Sequence

Courtesy of AUDI OF AMERICA, LLC

-- Tighten bolts to 9 Nm in the sequence -1 to 8-.

Fig 3: Identifying Right Timing Chain Cover And Tightening Bolts Sequence

Courtesy of AUDI OF AMERICA, LLC

-- Tighten bolts to 9 Nm in the sequence -1 to 8-.

Fig 4: Identifying Bolts And Lower Timing Chain Cover

Courtesy of AUDI OF AMERICA, LLC

-- Replace M6 bolts -1, 3, 5, 6, 7, 11, 12, 13- and -arrows-.

-- Tighten bolts in 6 stages as follows:

-- Pre-tighten the bolts -arrows- to 5 Nm.

-- Tighten the bolts -1 to 13- in a diagonal sequence to 8 Nm using a torque wrench.

-- Tighten bolts -arrows- to 8 Nm.

-- Tighten M8 bolts -2, 4, 8, 9, 10- in a diagonal sequence to 22 Nm.

-- Tighten the M6 bolts -1, 3, 5, 6, 7, 11, 12, 13- an additional 90° in a diagonal sequence.

-- Tighten the bolts -arrows- an additional 90°.