Isuzu Trooper - Isuzu Trooper
1. Maintenance instruction
2. Maintenance
3. Engines
   3.1. Specifications of the engine and adjusting works
      3.1.1. Spark plugs
      3.1.2. Installation of ignition
      3.1.3. Installation of the moment of injection of fuel
      3.1.4. Electronic ignition
      3.1.5. Adjustment of gaps of valves
      3.1.6. Adjustment of turns of idling on carburetor engines
      3.1.7. Adjustment of turns of idling on engines with system of injection
      3.1.8. Adjustment of turns of idling on diesel engines
   3.2. Electric equipment and capital repairs of engines
   3.3. Diesel engine 2,8 liters
4. System of decrease in toxicity
5. Fuel system
6. Transmission and running gear
7. Suspension bracket and steering
8. Brake system
9. Body
10. Body electric equipment
11. Diagnostics of malfunctions
12. Electrical circuitries

Isuzu Trooper>> Engines>> Specifications of the engine and adjusting works>> Spark plugs

3.1.1. Spark plugs


Vyvorachivani of a candle a hinged face key on the V6 engine

Replacement of candles

Depending on style of driving of a candle it is necessary to change through each 30000–50000 km of a run. In process of an erosion of electrodes breakdown of a spark interval is at a loss (the size of an erosion of 0,025 mm on each 2–4 thousand km of a run) and requirements to tension size on electrodes increase.

Candles should be replaced everyone, numbering wires about an ignition distributor cover.

1. Remove an ignition wire from a candle, having pulled for a tip.
2. Clear candles and adjacent places that dirt did not get to cylinders.
3. Turn out candles.
4. Check a condition of a candle, compare to a scale of coloring of the insulator. It is possible to determine a condition of the engine by a condition of candles.
5. Check a gap between electrodes of a new candle. If necessary adjust a podgibaniye of the central electrode.
6. Slightly oil a candle carving low-viscous and screw candles by hand.
7. Tighten candles with m 20 N.' moment.
8. Dress a wire and repeat the described procedure for each candle.

Check and replacement of high-voltage wires

At detection of damages of a wire are subject to replacement. If visible damages are absent, then check resistance of wires which has to be within 9,6–22,4 kOhm. If resistance does not meet standard, then replace a wire. It is necessary to replace wires separately, without breaking an order of a former arrangement. To bend wires it is not allowed.

Operating procedure of cylinders

For 4-cylinder petrol engines
For 6-cylinder petrol engines
For diesel engines


Cylinders are counted from a forward part of the car.