Peugeot405
1. The maintenance instruction
2. Maintenance service
3. Engines
    3.1. Petrol engines
      3.1.1. A technical characteristics
       3.1.2. Engine repair
          3.1.2.1. The repair which is not demanding removal of the engine
            3.1.2.1.1. Compression check
            3.1.2.1.2. Check and adjustment of a backlash of valves
            3.1.2.1.3. A privodnoj belt of a camshaft
            3.1.2.1.4. Pulleys of a gear belt
            3.1.2.1.5. Replacement of consolidation of a camshaft
            3.1.2.1.6. Replacement of consolidations of a cranked shaft
            3.1.2.1.7. A privodnoj belt of the generator
            3.1.2.1.8. The air filter
            3.1.2.1.9. A cover of a head of the block of cylinders
            3.1.2.1.10. A camshaft
            3.1.2.1.11. Removal and installation of a head of the block of cylinders
            3.1.2.1.12. Dismantling, repair and assemblage of a head of the block of cylinders
          3.1.2.2. Engine removal
         3.1.2.3. Engine installation
         3.1.2.4. Engine dismantling
          3.1.2.5. Engine assemblage
         3.1.2.6. Start of the engine after major repairs
    3.2. Diesel engines
    3.3. The petrol engine 1,4 дм3
    3.4. Ignition system
4. Fuel system
5. Systems of greasing, cooling
6. Release system
7. Coupling
8. Transmissions
9. Power shafts
10. A steering
11. Suspension brackets
12. Brake system
13. A body
14. An electric equipment



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3.1.2.1.9. A cover of a head of the block of cylinders
THE GENERAL DATA

The nuts located under a cover of a head of the block of cylinders of models 1761 of sm3 and 1998 sm3 (with 8 valves)

Nuts are specified by arrows.

Removal

PERFORMANCE ORDER
Engines of 1580 sm3 and 1905 sm3 (8 valves)
1. To remove a wire of weight from the accumulator.
2. On models 1580 of sm3 and 1905 sm3 to remove the air filter and a casing of the air filter.
3. On all models to remove a ventilation hose картера the engine.
4. To remove brackets fastenings of high-voltage wires to a cover.
5. To unscrew two bolts of fastening of a cover of a head of the block of cylinders and to uncover with a rubber lining.
Engines of 1761 sm3 and 1998 sm3 (8 valves)
6. To remove a ventilation hose картера the engine from the right forward party of a cover.
7. To remove brackets, to unscrew two screws and to uncover a filtering element of the air filter.
8. To unscrew 10 bolts of fastening of a cover of a head of the block of cylinders and to uncover with a rubber lining.
Models with 16 valves
9. To remove fuel and returnable hoses from the forward party of the main cover and to muffle their stoppers.
10. To unscrew 7 bolts and to uncover, closing spark plugs.
11. To remove electric wires.
12. To remove a ventilation hose картера the engine from the left forward party of a cover.
13. To unscrew 12 bolts of fastening of a cover of a head of the block of cylinders, marking the position occupied with each bolt as bolts have four various lengths.
14. To uncover with a rubber lining.

Sequence of a tightening of bolts of fastening of a cover on engines of 1761 sm3 and 1998 sm3


Consolidation of spark plugs

2 – consolidation of spark plugs

In the points noted by arrows (3) to use a silicon insulator (engine XU9TJ4).

Sequence of the first stage of a tightening of bolts of fastening of a cover heads (engines XU9J4)


Sequence of the second stage (after cooling of the engine within 4 hours) tightenings of external bolts of fastening of a cover heads (engines XU9J4)


Installation

PERFORMANCE ORDER
Engines of 1580 sm3 and 1905 sm3 (8 valves)
1. Carefully to clear a head cover, to remove all traces of oil and to establish a rubber lining on all length of a cover.
2. Being careful to establish a cover on a head of the block of cylinders and to screw up bolts.
3. To establish earlier removed wires and hoses.
4. To establish the air filter.
5. To connect a weight wire to the accumulator.
Engines of 1761 sm3 and 1998 sm3 (8 valves)
6. Carefully to clear a head cover, to remove all traces of oil and to establish a rubber lining on all length of a cover.
7. Being careful to establish a cover on a head of the block of cylinders and to screw up bolts gradually and in regular intervals till the demanded moment (Sequence of a tightening of bolts of fastening of a cover fig. see engines of 1761 sm3 and 1998 sm3).
8. To establish earlier removed wires and hoses.
9. To establish the air filter.
10. To connect a weight wire to the accumulator.
Models with 16 valves
11. To execute the actions described for models with 8 valves.
12. To establish four oil consolidations in apertures for spark plugs.
13. To establish a cover of a head and to screw up bolts gradually and in regular intervals till the demanded moment.
14. To establish a cover closing spark plugs.
15. To establish earlier removed wires and hoses.
16. To establish the air filter.
17. To establish a hose of giving of fuel and returnable hoses to their corresponding fuel connections.

18. To connect a weight wire to the accumulator.