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1.3.5.8.1. Removal

PERFORMANCE ORDER
1. On V6 engines unscrew two bolts of fastening of a cover of spark plugs. For access to back spark plugs on V6 engines, disconnect hoses and move them aside. 2. Unscrew a bolt of fastening of the coil of ignition with a high-voltage wire on the engine 1 MZ-FE.
3. Remove the ignition coil with a high-voltage wire. 4. For access to back spark plugs on V6 engines, unscrew bolts of fastening of a cover of spark plugs and uncover.
5. Not to mix high-voltage wires, you make replacement of spark plugs in turn. At removal of high-voltage wires from spark plugs pull not for a wire, and for a protective cover.
6. Clear candles, using a stream of compressed air to exclude hit of dirt in engine cylinders after a vyvinchivaniye of spark plugs.
7. Unscrew spark plugs, using a candle key.
8. Visual control of a working part of spark plugs can show, a condition of the engine. If the nasal part of the isolation center of spark plugs pure and white, without raid, then is the witness stvut about too poor mix. It also specifies that a candle too hot, that is heat from the central electrode is taken away slowly. If this is so, then it is necessary to adjust composition of mix or to replace a candle. If the nasal part of the isolation center of a candle is covered with a black raid, then it means that mix too rich. If the raid black and oily, then it testifies to wear of the engine and need of its check and repair. If the nasal part of the isolation center is covered with a light brown raid, then the composition of mix is optimum, and the engine is in good shape.
9. The interelectrode gap of a spark plug is of great importance as at too big or at too small gap the spark size changes that leads to decrease in overall performance of the engine. The gap has to conform to technical requirements always.