LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Volkswagen >> 2021 >> Jetta S, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 193 (Ignition/Glow Plug System) >> 28 Ignition/Glow Plug System >> Ignition System >> Overview - Ignition System
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Overview - Ignition System

WARNING: This page is about a different car, the 2021 Volkswagen Tiguan, 2020 Volkswagen Tiguan, 2019 Volkswagen Tiguan, and 2018 Volkswagen Tiguan. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Exploded View Of Ignition System
GWWA28-10181Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.
  1. Bolt
    • 8 Nm +90° additional turn
    • Always replace
    • Tightening specifications affect the function of the knock sensor
  2. Knock Sensor 1 -G61-
  3. Spark Plug
    • 30 Nm
    • Remove and install using Spark Plug Removal Tool:3122B 
    • Replace the spark plugs. Refer to SPARK PLUGS, REPLACING .
  4. Spark Plug Connectors
  5. Ignition Coil with Power Output Stage
  6. Bolt
    • 10 Nm
  7. Nut
    • 10 Nm
    • For the ground wire
    • Dependent on the version
  8. Bolt
    • 9 Nm
  9. Camshaft Position Sensor 3 -G300-
  10. O-Ring
    • Replace if damaged
  11. O-Ring
    • Replace if damaged
  12. Camshaft Position Sensor -G40-
  13. Bolt
    • 9 Nm
  14. O-Ring
    • Replace if damaged
  15. Engine Speed Sensor -G28-
  16. Bolt
    • 4 Nm + 45° additional turn