Ignition system components, removing and installing

The following list pertains to Fig 1.

1. O-ring 
   • Always replace
2. Camshaft Position (CMP) sensor -G40- ^* 
   • Checking, see CAMSHAFT POSITION (CMP) SENSOR -G40-, CHECKING 
   • Installation location, see COMPONENT LOCATIONS, OVERVIEW
     • To remove, unclip cable guide (item - 5 -) for ignition coil.
   • Sensor and harness connector contacts are gold -plated
3. 10 Nm (7 ft lb) 
4. Harness connector 
   • Black, 3-pin
   • Camshaft Position (CMP) sensor -G40-
   • Sensor and harness connector contacts are gold -plated
5. Cable guide 
   • For Ignition coil -N152- (item - 7 -)
6. Harness connector 
   • 5-pin
   • For Ignition coil -N152-
7. Ignition coil -N152- 
   • With ignition cable identification; do not interchange
   • Checking, see IGNITION COILS WITH POWER OUTPUT STAGE, CHECKING 
   • Installation location, see COMPONENT LOCATIONS, OVERVIEW
8. Cover 
   • Removing and installing:

   See CRANKSHAFT, REMOVING AND INSTALLING

9. Harness connector 
   • Brown, 3-pin
   • For Knock Sensor 2 -G66-
   • Sensor and connector contacts are gold-plated
10. 20 Nm (15 ft lb) 
    • Tightening torque influences function of knock sensor
11. Knock Sensor (KS) 2 -G66- ^* 
    • Sensor and connector contacts are gold-plated
    • Located on intake side of cylinder block
    • Checking, see KNOCK SENSORS, CHECKING 
12. Sender wheel 
    • For Camshaft Position (CMP) sensor -G40-
    • Contact surface of timing chain and sensor wheel must be dry when installing
    • If sensor wheel has been removed, after installing check timing:

    See CRANKSHAFT, REMOVING AND INSTALLING

13. Camshaft chain sprocket 
14. Camshaft roller chain 
15. Knock Sensor (KS) 1 -G61- ^* 
    • Sensor and harness connector contacts are gold -plated
    • Located on exhaust side of cylinder block
    • Checking, see KNOCK SENSORS, CHECKING 
16. Harness connector 
    • White, 3 -pin
    • For Knock Sensor (KS) 1 -G61-
    • Sensor and harness connector contacts are gold -plated
17. 100 Nm (74 ft lb) 
    • Oil bolt head contact surface when installing
    • To remove and install, counter-hold using 24 mm spanner on camshaft
18. Spark plug 
    • 25 Nm (18 ft lb)
    • Remove and install using 3122B spark plug spanner
    • Type and electrode gap, see TECHNICAL DATA, SPARK PLUGS , test data, spark plugs
19. Spark plug connector with ignition cable and suppressor 
    • 4-6 k Ω
    • Only remove and install spark plug connector using tool T10029
Fig 1: Identifying Ignition System Components
Courtesy of VOLKSWAGEN OF AMERICA, INC.