Warning: See warning in subsection 1.
Note: When replacing elements of the receiver/injector module, the serial numbers of the injectors must be taken into account. Each nozzle has an individual flow rate, so these elements are not interchangeable.
Removal
1. Relieve fuel system pressure (see subsection 2).
2. Disconnect the negative battery cable.
3. Remove the air intake duct (see chapter 2A).
4. Before removal, clean the area adjacent to the receiver/injectors with a degreaser, then blow with compressed air to dry.
Caution: Wear safety glasses.
5. Disconnect the fuel pressure regulator vacuum line, injector wiring harness connector (see illustration 11.7a) and fuel line couplings (see subsection 4).
6. Unscrew the mounting bolts, then carefully and evenly apply force to the receiver and disconnect it from the cylinder head (see illustration).
14.6. The receiver and injectors are removed as an assembly. After this, you can disconnect each injector individually
7. To remove, disconnect from the injector (OK) electrical connector
8. Remove the lock (s) and disconnect the injector (ki) from the fuel receiver (see illustration). Remove and discard o-rings and seals.
14.8. Before removing the injector, you must remove the retainer
Note: When replacing one of the injectors or its O-ring, it is recommended to remove the remaining injectors and replace their O-rings (Each injector has two o-rings).
Installation
9. Replace the injector O-rings. Lubricate the O-rings with clean engine oil and press the injector into its original location on the receiver.
10. Install the injector clamps.
11. Inspect the injector holes in the cylinder head and clean them if necessary, then lubricate the injector O-rings with clean engine oil.
12. The remainder of the installation procedure is performed in the reverse order of removal. Tighten the receiver mounting bolts to the required torque.
13. Once assembly is complete, turn the ignition key to the ON position, but do not turn on the starter (in this case, the fuel pump will turn on for two seconds, as a result of which operating fuel pressure will be created in the fuel lines and elements of the fuel equipment). Turn the key alternately to the ON and OFF positions several times, then make sure there is no fuel leakage through the fuel lines, receiver and injectors.