Overview - Camshaft Timing Chains

Left Camshaft Timing Chain

Fig 1: Identifying Camshaft Timing Chains Assembly

Courtesy of AUDI OF AMERICA, LLC

1. Bolt
   • 80 Nm +90° turn
   • Replace
2. Bolt
   • 80 Nm +90° turn
   • Replace
3. Camshaft Adjuster for Exhaust Camshaft
   • Identification "Exhaust"
   • Removing and installing, refer to CAMSHAFT TIMING CHAIN, REMOVING FROM CAMSHAFTS .
4. Camshaft Adjuster for Intake Camshaft
   • Identification "Intake"
   • Removing and installing, refer to CAMSHAFT TIMING CHAIN, REMOVING FROM CAMSHAFTS .
5. Left Camshaft Timing Chain
   • Remove from the camshafts, refer to CAMSHAFT TIMING CHAIN, REMOVING FROM CAMSHAFTS .
   • Before removing, mark the direction of rotation with paint
   • Removing and installing, refer to CAMSHAFT TIMING CHAIN, REMOVING FROM CAMSHAFTS .
6. Bolt
   • 9 Nm
7. Glide
8. Left Camshaft Timing Chain Tensioner
   • Removing and installing, refer to CAMSHAFT TIMING CHAIN, REMOVING FROM CAMSHAFTS .
9. Mounting Bracket for Drive Sprocket
10. Bolt
    • 8 Nm + 45° turn
    • Replace
11. Left Camshaft Timing Chain Drive Sprocket
12. Drive Chain Sprocket Thrust Washer
13. Bolt
    • 6 Nm + 60° turn
    • Replace

Right Camshaft Timing Chain

Fig 2: Identifying Right Camshaft Timing Chain

Courtesy of AUDI OF AMERICA, LLC

1. Bolt
   • 80 Nm +90° turn
   • Replace
2. Camshaft Adjuster for Exhaust Camshaft
   • Identification "Exhaust"
   • Removing and installing, refer to CAMSHAFT TIMING CHAIN, REMOVING FROM CAMSHAFTS .
3. Bolt
   • 80 Nm +90° turn
   • Replace
4. Camshaft Adjuster for Intake Camshaft
   • Identification "Intake"
   • Removing and installing, refer to CAMSHAFT TIMING CHAIN, REMOVING FROM CAMSHAFTS .
5. Bolt
   • 30 Nm + 90° turn
   • Replace
6. Mounting Pin for the Drive Chain Sprocket
   • For the right camshaft timing chain
   • Asymmetrical version
   • Installed position, refer to Figure
7. Right Camshaft Timing Chain Drive Sprocket
   • Installed position, refer to Figure
8. Right Camshaft Timing Chain
   • Remove from the camshafts, refer to CAMSHAFT TIMING CHAIN, REMOVING FROM CAMSHAFTS .
   • Before removing, mark the direction of rotation with paint
   • Removing and installing, refer to CAMSHAFT TIMING CHAIN, REMOVING FROM CAMSHAFTS .
9. Drive Chain Sprocket Thrust Washer
   • For the right camshaft timing chain
   • Asymmetrical version
   • Installed position, refer to Figure
10. Right Camshaft Timing Chain Tensioner
    • Removing and installing, refer to CAMSHAFT TIMING CHAIN, REMOVING FROM CAMSHAFTS .
11. Glide
12. Bolt
    • 9 Nm