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Home >> Isuzu >> 2003 >> Ascender 4WD L6-4.2L >> Repair and Diagnosis >> Powertrain Management >> Ignition System >> Ignition Coil >> Service and Repair
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Ignition Coil: Service and Repair

Ignition Coil(s) Replacement

Removal Procedure
1. Remove the bolts (2) holding the resonator to the engine.
2. Loosen the clamp (3) on the resonator.







3. Remove the resonator.
4. Disconnect the ignition coil connectors (1) from the ignition coils.







5. Remove the retaining bolts (2) from the ignition coils.







6. Remove the ignition coils (1) from the engine.



Installation Procedure

Important: Make sure that the ignition coil seals are properly seated to the valve cover.







1. Install the ignition coil (1).
2. Install the ignition coil retaining bolts (2).

Tighten the ignition coil retaining bolts to .......................10 N.m (89 lb in).







3. Replace the ignition coil connectors (1).

4. Replace the resonator.
5. Install the resonator bolts (2).

Tighten the resonator retaining bolts to ................10 N.m (89 lb in).







6. Tighten the integral clamp holding the resonator to the engine.

Tighten the integral clamp to ...........................4 N.m (35 lb in).