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Home >> Jaguar >> 1992 >> Sovereign L6-4.0L >> Repair and Diagnosis >> Powertrain Management >> Ignition System >> Spark Plug >> Service and Repair >> Removal and Installation
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Removal and Installation

1. Be sure ignition switch is OFF.
2. Carefully remove ignition wires from spark plugs.
3. Remove spark plugs.

Checking Spark Plug For Wear, Damage, Or Deposits:





4. Check and adjust gap of new plugs to 0.9 mm (0.035 in) and refit.
5. Tighten plugs to 23 - 28 Nm (17 - 20 ft lb)
6. Refit ignition wires securely.