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NOTE: Rocker arm removed for clarity.
NOTE: When removing the fuel injectors, it is important that all three injector O-rings and the injector tip copper washer are removed from the injector bore. If the copper washer is not on the injector when removed from the cylinder head, make sure to remove it from the injector bore.
NOTE: If engine oil is found in the engine coolant or engine coolant is found in the combustion chambers new injector sleeves may need to be installed.
NOTE: To install new fuel injector sleeves, the cylinder heads must be removed from the vehicle.
NOTE: Place a plastic cap or small piece of cork to act as a stop, in the injector sleeve before installing the injector sleeve tap, this will prevent damage to the cylinder head bore.
NOTE: Do not apply Threadlock® 620 or equivalent to angled areas.
CAUTION: Remove all oil and fuel from the cylinders before installing the fuel injectors. Failure to do so can cause hydrostatic lock, resulting in severe engine damage.
CAUTION: Do not strike the top of the fuel injector to seat the injector in the cylinder head fuel injector bore. Damage to the fuel injector can occur. Use hand pressure on the top of the fuel injector until the fuel injector hold-down plate is flush with the cylinder head.
Removal and Installation