Suzuki Grand Vitara SQ416/SQ420/420WD

since 1998 of release

Repair and car operation

Suzuki Grandee of Wetar
+ General information
+ Maintenance and greasing
+ Heater, ventilation and conditioner
+ Steering
+ Suspension bracket
+ Wheels and tires
+ Forward driving shaft/bearing of a shaft. Oil epiploon
+ Driveshafts
+ Brake system
+ Engines
+ Fuel system
- Ignition system
   + ignition System for the G16 engine
   - Ignition system for the J20 engine
      + General description
      + Diagnostics
      - Vehicle service
         Check and adjustment of time of an advancing of ignition
         Assembly of the coil of ignition (igniter and ignition coil)
         Spark plug
         CMP sensor
      Specification, inhaling torque
      Special tool
+ start System
+ release System
+ Transmissions
+ Coupling
+ Transfer
+ Forward and back differentials
+ Windows, mirrors, locks and security measures. Immobilizer
+ Electric equipment


Spark plug



  1. Disconnect the coupling of the coil of ignition.
  2. Remove a bolt of the coil of ignition (1), and then extend assembly of the coil of ignition (2).
  3. Remove a spark plug (3).
J20 engine.


At service of iridic/platinum spark plugs (type of candles with a thin central electrode), do not touch the central electrode not to damage it. An electrode not rather strong to sustain mechanical effort, and its material also mechanically not so strong.


  1. Check them on wear of electrodes, carbon adjournment, it is damaged
    ие isolation.
  1. If any malfunction is found, adjust an air gap, clear a special cleaner for spark plugs or replace them with new candles as it is specified.
    • Air gap of a spark plug of "a": 1.0-1.1 mm (0.039 - 0.043 inches)
    • Spark plug type: DENSO K20PR - U11/SK16PR11, NGK BKR6E - 11/*IFR5J11

At temperature below - 25 ° C (-13°F), it is recommended to use candles with a sign (*) for the best operation of the engine.



  1. Establish a candle (and) ignitions (3) and tighten them according to the specified torque of an inhaling. Inhaling torque: candle (and) ignitions: 25 N • m (2.5 kg-m, 18.0 pounds foots).
  2. Establish assembly of the coil of ignition (2) reliably.
  3. Tighten a bolt of the coil of ignition (1), and then connect the coupling of the coil of ignition.
J20 engine.