Removing
1. Disconnect the negative cable from the battery.
2. Disconnect the electrical wiring from the air mass meter. Remove the O-ring.
3. Loosen the clamp screw securing the main air line to the right end of the air mass meter.
4. Using a socket wrench, remove the four bolts securing the air block to the throttle body. Lift the block off the throttle body, disconnect the hose from the air block base, then remove the air mass meter/air block assembly.
5. Disconnect the electrical wiring from the throttle position sensor.
6. Pull the cable from the throttle lever. Then remove the o-ring from the bracket on the intake manifold, move the throttle cable to the side.
7. Disconnect the two breather hoses at the back of the camshaft cover. Disconnect the larger hose from the throttle body, remove the hose.
8. Place a cloth under one of the fuel supply hose connectors on the fuel line.
9. Slowly loosen the fuel supply hose coupler to gradually relieve pressure in the fuel supply pipe, then disconnect the hose from the fuel line. Cap the end of the hose to prevent dirt from entering and further fuel leakage.
10. Repeat the steps described in points 9 and 10 with the remaining coupling connecting the fuel supply hose to the fuel line.
11. Disconnect the vacuum pipe from the top of the fuel pressure regulator.
12. Disconnect the wiring harness cover from the fuel injectors, move it to the side; then be careful not to deform the wiring. Pull the wiring harness shroud, pinch the harness connector retaining clips to release the shroud from the injectors.
13. Unscrew the nut, disconnect the brake booster vacuum hose on the left side of the intake manifold (see illustration).
14. Turn off a fixing nut, remove an arm of a hose of giving of fuel from the left side of the case of a throttle.
15. Turn off fixing nuts, and disconnect ground loops from a rack of fastening from both ends of a fuel highway.
16. Turn off a bolt of fastening, and remove the holder of conducting/hose from the left end of an inlet manifold.
17. Remove the idle speed control as described in Chapter 22.
18. Turn off or remove the top nut and a bolt of fastening of the generator.
19. Make a final check that all relevant hoses, pipes and wires are disconnected.
20. Turn off fixing nuts, remove a collector from a head of the block of cylinders. Remove the gasket.
21. It is possible that when unscrewing the fixing nuts from the cylinder head, the racks can be unscrewed. In this case, the struts must be screwed back into the head.
22. If required, auxiliary components can be removed from the manifold, guided by the relevant Chapters of Sections 4A or 4B.
Installation
23. Installation is carried out in the reverse order.
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