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Injector opens fully The control plunger reaches its upper stop where it remains supported by a cushion of fuel which is generated by Injector closes (end of injection) As soon as the solenoid valve is no longer triggered, the valve spring forces the armature downwards and the ball STANDARD PROCEDURE CLEANING FUEL INJECTORS NOTE: Before cleaning the injector recesses, seal the injector holes in the injector recesses with the appro- 1. Seal the injector holes inside the cylinder head recesses. 2. Wipe out injector recesses with a non-woven cloth, then clean with a cylinder brush. 3. Clean the bottom of the cylinder recess with a round brush. 4. Blow out the recess and clean again with a non-woven cloth and cover over. 5. Perform these steps for each injector recess. NOTE: DO NOT clean the tip of the injector with a wire brush. Use a non - woven cloth. 6. Clean injector body with a wire brush. 7. Clean injector tips with a non-woven cloth. NOTE: Do Not apply antiseize lubricant to the injector nozzle area. 8. Grease injector body with anti seize lubricant. NOTE: Always replace the seals that seal off the injectors at the cylinder head to the combustion chamber 14 - 108 FUEL INJECTION - 2.8L DIESEL KJ |