Suzuki Grand Vitara SQ416/SQ420/420WD

since 1998 release

Repair and operation of the car


Suzuki Grand Vitara
+ General information
+ Maintenance and lubricant
+ Heater, ventilation and conditioner
+ Steering
+ Suspension bracket
+ Wheels and tires
+ Forward driving shaft / bearing of a shaft. Oil epiploon
+ Driveshafts
+ Brake system
- Engines
   + Mechanical part of the G16 engine
   - Mechanical part of the J20 engine
      - General description
         Engine
         Engine lubricant
      + Routine maintenance
      + Assembly fittings of the engine
      Special tool
      Necessary service materials
      Technical characteristics of the rotating inhaling moment
   + Cooling of the engine
+ Fuel system
+ System of ignition
+ System of start
+ System of release
+ Transmissions
+ Coupling
+ Transfer
+ Forward and back differentials
+ Windows, mirrors, locks and security measures. Immobilizer
+ Electric equipment

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Mechanical part of the J20 engine

General description

Engine

For the cars equipped with additional restrictive system (pneumopillow):

  • Service of components or wires of system of a pneumopillow and around them has to be carried out only by the authorized dealer of Suzuki. Non-compliance with precautionary measures can lead to inadvertent activation of the system or bring system to a non-working state. Therefore there can be serious damages.
  • Maintenance has to begin not earlier than in 90 seconds after switching off of the ignition key and disconnection of a negative cable from the accumulator. Otherwise, the system can be activated due to reserve energy in the touch and diagnostic module (SDM).

The engine represents the four-cylinder, four-cycle petrol unit of water cooling equipped with the valvate drive with the double top camshaft, intended for the V-shaped configuration of valves and with 16 valves (4 valves on one cylinder).

The double top camshaft is installed from above cylinder heads: it is set in motion by the crankshaft by means of synchronization chains, and in system of the drive of the valve there are no pusher rods.