2005 Citroen C4 Camshaft

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ENGINE
CHECKING AND SETTING THE VALVE TIMING
Engine: RFK
Checking and setting the timing (continued).
Refitting (continued).
Remove the tools [1]and [2].
Refit the upper RH engine support.
Remove the workshop hoist.
Rotate the crankshaft ten times
(normal direction of rotation).
IMPERATIVE: No exterior pressure or action should be applied on the timing belt.
Suspend the engine using a workshop hoist.
Remove the upper RH engine support.
Peg the inlet camshaft pulley, using tool [1].
Checking.
Timing belt tension.
IMPERATIVE: Check the position of the index «a», it should be opposite the slot «f». If the position of the index «a» is not correct, repeat
the operations to tension the timig belt.
Complete the refitting.
IMPERATIVE: Carry out the operations that are necessary following a reconnection of the battery
(see corresponding operation).
C4
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ENGINECHECKING AND SETTING THE VALVE TIMING
Engines: 8HX - 8HZ
B1BP2LXC
Tools.
[1] Pliers for removing plastic pegs: 7504-T
[2]Lever for detensioning the dynamic tensioner roller: (-).0194.E
[3]Engine flywheel setting peg: (-).0194.C
[4] Camshaft setting peg: (-).0194.B
[5]Crankshaft and high pressure pump setting peg: (-).0194.A
Preliminary operations.
Remove:
- The front RH wheel.
- The front RH splash-shield, using tool [1].
- The clips of the electrical harness on the upper timing cover.
- The accessories belt, using tool [2]
(see corresponding operation).
Checking the setting.
Disconnect the battery negative cable.
Remove the upper timing cover (1).
Rotate the engine using the screw (2)of the crankshaft pulley.
NOTE:The locking hole is located under the crankshaft bearing cap cover.
Undo the screw (2).
Detension the auxiliary drive belt dynamic tensioner roller, using tool [2].
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ENGINE
CHECKING AND SETTING THE VALVE TIMING
Engines: 8HX - 8HZ
Setting the timing (continued).
Remove the tool [3].
Rotate the engine by means of the crankshaft pinion screw (2)
(clockwise), to bring it to the pegging position.
Peg the camshaft pulley, using tool [4].
Peg:
- The crankshaft pinion (6), using tool [5].
- The high pressure pump pinion, using tool [5].
Support the engine with the aid of a roller jack equipped with a chock.
Remove:
- The RH engine support (7).
- The intermediate engine support
(right hand side)(8).
B1JP03SCB1EP18DCB1EP195CB1BP2LYC
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ENGINECHECKING AND SETTING THE VALVE TIMING
Engines: 8HX - 8HZ
B1EP18HC
Setting the timing (continued).
Hold the tensioner roller, using a hexagonal spanner at «b».
Slacken the screw (9).
Remove the timing belt (10).
Refitting.
IMPERATIVE: Check that both the tensioner roller and the fixed roller turn
freely
(no tight spots). If this is not the case, replace the rollers.
Fitting of the pulleys.
- Camshaft pulley : Tighten to 4,3 ± 0,4 m.daN.
- Fuel high pressure pump pulley : Tighten to 5 ± 0,5 m.daN.
The crankshaft pinion is located without a screw at the end of the crankshaft.
Fitting of the rollers.
IMPERATIVE: Check that the tensioner roller turns freely
(no tight spot).
Otherwise, replace the rollers.
- Guide roller : Tighten to 4,5 ± 0,4 m.daN.
- Tensioner roller : Pre-tighten to 0,1 m.daN.
Check the condition of the seals at the camshaft and at the crankshaft pinion.
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ENGINE
CHECKING AND SETTING THE VALVE TIMING
Engines: 8HX - 8HZ
B1EP18JD
Setting the timing (continued).
NOTE: Screw (9)slackened.
Position the timing belt (10)observing the following sequence:
- Crankshaft pinion (4).
- Guide roller (12).
- Camshaft pulley (11)
(check that the belt is held correctly against the roller).
- Coolant pump pinion (13).
- Fuel high pressure pump pulley (15).
- Tensioner roller (14).
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ENGINECHECKING AND SETTING THE VALVE TIMING
Engines: 8HX - 8HZ
B1EP18KC
Setting the timing (continued).
Turn the tensioner roller to the right to bring the index «c»to position «d», using
a hexagonal spanner.
Tighten the screw (9)of the tensioner roller, tighten to 3 ± 0,3 m.daN.
Remove the tools [4]and [5].
Rotate the engine ten times
(check that the timing pinion is correctly up against
the crankshaft).
Check:
- The pegging of the camshaft.
- The crankshaft pinion.
- The fuel high pressure pump pinion (15).
- The correct positioning of the index of the dynamic tensioner.
If these are not correct, repeat the operation to position the timing belt.
Refit:
- The engine speed sensor (6).
- The belt retaining stop (5), tighten to 0,7 m.daN.
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ENGINECHECKING THE VALVE TIMING
Engines: 9HX - 9HY - 9HZ
Tools.
[1]Flywheel setting peg: (-).0194.C
[2] Camshaft setting peg: (-).0194.B
[3] Crankshaft setting peg: (-).0194.A
IMPERATIVE: Respect the safety and cleanliness requirements specific to High pressure Diesel
injection (HDi) engine versions.
Checking and setting the timing.
Raise and support the vehicle, wheels hanging.
Disconnect the battery.
Uncouple:
- The fuel supply unions (1).
- The air/air heat exchanger inlet and outlet pipes (3).
- The exhaust line at the catalytic converter flexible pipe.
- Disconnect the connecteur at «a».
Remove the accessories drive belt
(see corresponding operation).
Support the engine with a roller jack equipped with a block.
Remove the four screws (5), the three screws (4)and the engine supports (3).
B1BP38TD
B1BP38UD
C4
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ENGINECHECKING THE VALVE TIMING
Engines: 9HX - 9HY - 9HZ
Checking the timing (continued).
Peg the camshaft at «c», using tool [2]
(oil the pegs).
WARNING: The magnetic track should not show any sign of damage and should not be
approached by any other magnetic source.
Peg the crankshaft at «d», using tool [3].
ESSENTIAL: Should it not be possible to peg the camshaft, check that the offset between
the camshaft pinion hole and the pegging hole is not more than 1 mm. If it is more, repeat
the operation to position the timing belt
(see corresponding operation).
Note : The index «e»of the dynamic tensioner roller should be centred in the interval «f».
Check the correct positioning of the index «e».
If it is not correct, repeat the operation to tension the timing belt
(see corresponding operation).
Remove tools [2]and [3].
Refitting.
Peg the flywheel at «b», using tool [1].
Remove the screw (8).
Refit the upper timing cover (11), lower timing cover (10), the accessories drive pulley (9), the screw (8).
Tightening method for the screw (8):
- Pre-tighten to 3 ± 0,3 m.daN.- Angular tighten: 180° ± 5°.
Remove the tool [1]and complete the refitting.
IMPERATIVE: Carry out the operations that are necessary following a reconnection of the battery
(see corresponding operation).
B1EP1HKC
B1EP1E5C
C4
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