Removing
1. Disconnect the negative cable from the battery.
2. Remove the air filter adapter tube.
3. Remove clamp 18 fastening compressed air supply pipe 1 to mixing chamber 2 and disconnect pipe 1 (see fig.5.7).
Pic. 5.7. Mixing chamber with EGR valve:
1, 3, 5, 6, 7. Vacuum tubes,
2. Mixing chamber,
4, 11, 12, 14. Bolts,
8. Exhaust gas recirculation valve,
9. Throttle valve,
10. Fuel filter,
13. Nut,
15. Intake manifold,
16. Oil filler neck,
17. Seals,
18. Collar.
4. Disconnect the vacuum tube from the vacuum pump 3.
5. Unscrew the bolt 4 fastening the fuel filter bracket 10 to the mixing chamber 2.
6. Unscrew the bolt 11 of the rear bracket of the mixing chamber 2.
7. Disconnect vacuum tubes 5, 6 and 7.
8. Unscrew the nut 13 fastening the exhaust gas recirculation valve 8.
9. Unscrew the bolts 14 fastening the mixing chamber 2 to the intake manifold 15.
10. Remove intake manifold 15 together with EGR valve 8.
Installation
11. Installation is made in an order, the return to removal. Replace seals 17 and self-locking nuts 13 with gasket.