1. 23526589 Common Rail Diesel Injector Technical Support
1.1. 23526589 Common Rail Diesel Injector Part Number Location
E.g.：See the common rail diesel injector part number as follows:
| No. |
Name |
| A |
Brand, logo, part number, series number |
1.2. 23526589 Common Rail Diesel Injector Installation Precautions
(1) The replacement of the common rail diesel injector must strictly follow the electrical system, the approved pressure of the low-pressure fuel intake system, the approved pressure of the high-pressure fuel circuit system, and fuel system replacement consumables requirements (including the low-pressure fuel circuit system filter and the high-pressure fuel circuit) specified in the vehicle engine maintenance manual.
(2) Replacement of wearing parts of the fuel system, cleaning requirements for the connection between the fuel system and the common rail diesel injector, the fitting clearance of the common rail diesel injector connection, the installation angle and tightening torque of the common rail diesel injector, the fitting clearance of the intake system, and the fitting clearance of the exhaust system to ensure the service life of the engine and the normal operation of the common rail diesel injector.
(3) When installing the common rail diesel injector on the engine, it is necessary to clean the engine block, cylinder head and other parts connected to the common rail diesel injector, and ensure that there is no dust, carbon deposits, water, rust spots, etc.
(4) Before installing, check whether the common rail diesel injector nozzle gasket has been replaced and installed on the CR Fuel injector.
(5) When installing the common rail diesel injector, apply lubricant between the common rail diesel injector, fuel nozzle sealing gasket and O-ring.
(6) Failure to replace the gasket with a new one may result in: deformation of the tight cap of nozzle, deformation of nozzle, deformation of nozzle orifice, oil leakage and air leakage, which will cause serious damage to the common rail diesel injector and nozzle to break and cause damage to the engine.
(7) When installing the common rail diesel injector on the engine, please carefully check the components related to the installation of the common rail diesel injector, such as the common rail diesel injector pressure plate, screw, common rail diesel injector rod and other accessories are not deformed, and install it in strict accordance with the operation steps of the engine maintenance manual.
(8) It is forbidden to operate the bare common rail diesel injector for a long time in an environment with serious dust pollution and corrosion to iron products.
(9) It is forbidden to operate the bare common rail diesel injector for a long time in a strong magnetic field environment.
1.3. Reasons For 23526589 Common Rail Diesel Injector Not Working Normally
(1) There is air in the oil circuit of the engine fuel system.
(2) Vehicle oil pump oil supply system is not normal.
(3) Engine common rail system oil leakage or pressure limiting valve is damaged.
(4) There is a short circuit, cutting out and poor contact in the wiring harness connected to the common rail diesel injectorof the vehicle.
(5) The long-term placement of the common rail diesel injector causes the anti-rust oil to solidify, and the internal components are stuck or the oil holes are blocked.
(6) Before installing, carefully check whether other components in the common rail system except the CR Fuel injector are damaged so as to prevent the common rail diesel injector from not working properly after being replaced.
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