To find a faulty injector, put rags around the injectors and disconnect the fuel pipes from the injectors one by one.
Withdrawal
1. Disconnect fuel hoses from injectors.
2. Loosen the fuel pipe nuts.
3. Loosen the fuel line nuts on the injection pump.
4. Remove fuel pipes.
Except AAS engines
1. Loosen the fixing bolt and remove the fixing clip.
2. Remove bushing.
3. Remove injectors.
AAS engines
1. To access injectors 4 and 5, remove the expanding element mounting bracket.
2. Remove injectors together with holders. Do not unscrew the injectors separately.
Installation
Except AAS engines
1. Clean the injector installation site.
2. Install new heat shields.
3. Reinstall the injectors. The needle gauge injector must be installed second from the rear of the engine.
4. Install the bushings, clamps, washers and tighten the fixing nuts or bolts to the required torque.
AAS engines
1. Clean the injector installation site.
2. Install new heat shields with the curved side down.
3. Reinstall the injectors and tighten them to the required tightening torque.
All engines
Install fuel pipes and hoses.
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