camshaft sensor Citroen C4 2005 2.G User Guide

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ENGINE
CHECKING AND SETTING THE VALVE TIMING
Engines: 9HZ - 9HY
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Adjusting the timing belt tension.
Act on the tensioner roller (18)to align the marks «g»and «h», avoiding detensioning the
timing belt, using an allen spanner at «d».
Should this fail, repeat the operation to tension the timing belt.
Hold the tensioner roller (18).
Tighten the tensioner roller fixing nut to 3,7 ± 0,3 m.daN.
Check the position of the tensioner roller
(the alignment of the marks «g»and «h»should
be correct).
Remove tools [2] and [3].
Rotate the crankshaft six times
(clockwise).
IMPERATIVE: Never rotate the engine backwards.
WARNING: Do not touch or damage the track of the target of the engine speed sensor
(14).
Peg the crankshaft, using tool[3].
Check the position of the tensioner roller
(the alignment of the marks «g» and «h»should
be correct).
If this is not the case, repeat the operation to tension the timing belt.
Peg the camshaft pulley, using tool [2].
IMPERATIVE: Should it be impossible to peg the camshaft, check that the offset
between the camshaft hole and the pegging hole is not more than 1 mm. If the offset
is too great, repeat the operation.
Remove tools [2] and [3].
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ENGINE
CHECKING THE VALVE TIMING
Engine: RHR
Tools.
[1] Kit of plugs: (-).0188.T
[2] Double flywheel setting peg: (-).0188.X Toolkit 0188-T
[3]Camshaft setting peg: (-).0188.M
IMPERATIVE: Respect the safety and cleanliness requirements specific to High pressure Diesel
injection (HDi) engine versions.
Remove the engine cover and the battery.
Disconnect the negative terminal of the battery.
Raise and support the front of the vehicle.
Remove the under-engine sound-deadening and the front RH splash-shield.
Uncouple, plug and move aside, using tool [1], the fuel supply and fuel return pipes..
Suspend the engine, using a workshop hoist.
Remove the engine support bracket and the engine support.
Move aside the electrical harness (1).
Remove:
- The camshaft position sensor.
- The inlet cylinder head cover (2).
- The upper timing cover screws.
- The upper timing cover (3).
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ENGINE
CHECKING AND SETTING THE VALVE TIMING
Engine: RHR
Remove:
- The screw (8).
- The auxiliaries drive pulley (7).
- The crankshaft position sensor (11).
- The lower timing cover (9).
- The target of the crankshaft position sensor (10), using tool [7].
- The lower torque reaction rod.
- The tool [6].
Slacken the screw (12)of the tensioner roller (17).
Remove the timing belt (13).
Checks.
IMPERATIVE: Just before refitting, carry out the checks below.
Check:
- That the rollers (14)and (17)turn freely
(without play and without
any tight spot).
- That the coolant pump pulley (16)turns freely (without play and
without any tight spot).
- That there are no traces of oil leaks from the crankshaft and
camshaftseals, etc.
- That the crankshaft pinion travels freely on the keyway (15).
Replace defective components if necessary.
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