Models with M52 engine
1. Turn off the ignition.
2. Remove the bolt caps and turn them out. Remove the injector cap.
3. Separate a socket of electroconducting Ý/m valve VANOS. Wring out clamps and disconnect sockets of electroconducting of a lambda probes. Remove and set aside the injector connector mounting plate.
4. Mark the fuel supply and return lines so as not to mix them up during subsequent installation, then disconnect the fuel lines from the fuel distribution line.
If necessary, replace O-rings or other damaged parts.
5. Turn out bolts and disconnect a vacuum hose from a regulator of pressure of fuel. Remove, pulling up, the distributive highway together with injectors.
6. After removing the retainer, remove the injector.
7. Installation is carried out in the reverse order.
Models with M52TU engine
1. Turn off the ignition.
2. Remove the cabin filter and open the one located on the bottom (2) its body cable channel. Pull the cables out. Remove the bolts (1) and remove the bottom (2) cabin filter housings.
3. Remove the bolt caps and turn them out. Remove the injector cap (see illustration).
4. Disconnect the vacuum hose (1) from the fuel pressure regulator. Disconnect the IAT sensor harness connector (2) and remove the mounting plate (3) injectors.
5. Label the connectors (1) electrical wiring of the lambda probes of cylinder groups No. 1-3 and No. 4-6, so as not to confuse them during subsequent installation. Press the latches and disconnect the connectors. Remove holders of sockets from a fuel distributive highway.
6. Mark the fuel supply and return lines (2 and 3), so as not to confuse them during subsequent installation. Remove the fuel line clips from the rear of the cylinder head. If necessary, replace O-rings or other damaged parts.
7. Turn out bolts and remove a fuel distributive highway together with injectors.
8. If necessary remove injectors.
9. Installation is carried out in the reverse order. To facilitate installation of the distribution line, lubricate the sealing new rings of injectors with a tool to facilitate sliding.
Models with M60 and M62 engines
1. Turn off the ignition.
2. Remove the engine top cover.
3. Remove the wire clamps. Disconnect the throttle cable from the throttle lever.
4. Remove the ignition coil covers from both sides of the cylinder head (see illustration).
5. Separate sockets of coils of ignition.
6. Remove the wiring boxes (2) and put them aside. Disconnect the injector wiring connectors.
7. Press the supply and return fuel lines and remove them. Collect leaked fuel.
At installation use new collars of fastening of hoses.
8. Disconnect the vacuum hose from the fuel pressure regulator.
9. Turn out bolts of fastening of a fuel distributive highway and remove it together with injectors.
10. If necessary, release the brackets and remove the injectors.
11. Installation is carried out in the reverse order. To facilitate installation of the distribution line, lubricate the sealing new rings of injectors with a tool to facilitate sliding.
Models with M73 engine
1. Turn off the ignition.
2. Disconnect the engine wiring connectors, lift the wiring and secure it to the hood.
3. Disconnect fuel hoses.
At installation replace hoses and collars of their fastening.
4. Turn out bolts of fastening of a fuel distributive highway and remove it together with injectors.
5. If necessary, release the brackets and remove the injectors.
6. Installation is carried out in the reverse order. To facilitate installation of the distribution line, lubricate the sealing new rings of injectors with a tool to facilitate sliding.