Removing
1. Disconnect the negative cable from the battery.
2. Remove the air filter and mixing chamber with EGR valve.
3. Remove the decorative panel of the cylinder head cover 1 (see fig.5.64).
Pic. 5.64. Fuel distributor:
1. Decorative panel,
2. Distributor,
3. Fuel injection lines,
4. Bracket,
5. Fuel injection line,
6. Drain fuel line of the high pressure fuel pump,
7. Drain fuel line,
8. Seal,
9. Drain oil line,
10. Intake manifold,
11, 12. Bolt.
4. Disconnect the wiring connector from the pressure sensor in the B66 fuel distributor.
5. Disconnect the wiring connector from the pressure control valve in the Y74 distributor.
6. Disconnect fuel lines 3.
7. Disconnect an arm 4 fastenings of a forcing fuel line 5 to the thermostat.
8. Unscrew the fuel delivery line 5 from the distributor 2.
9. Disconnect the fuel drain line from the high pressure fuel pump to distributor 2.
10. Unscrew drain fuel line 7 from distributor 2.
11. Disconnect the drain oil line 9 from the distributor 2.
12. Disconnect the fuel lines from the intake manifold 10.
13. Remove distributor 2. Fuel pressure control valve Y74 must be removed from distributor and replaced only together with distributor 2.
Installation
14. If the distributor is replaced: the distributor is supplied with a B66 distributor pressure sensor and a Y74 pressure control valve.
15. Do not fully tighten the distributor mounting until injectors and fuel lines 3 and 5 are connected.
16. Further installation is made in an order, the return to removal.