too low Citroen C3 2004 1.G User Guide

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169
CHECKING AND SETTING THE VALVE TIMING
Engine: KFU
Remove:
The lower engine support assembly(5)and the fixing screw (4).
Remove the lower timing cover (6).
Slacken the nut (7).
Remove the timing belt.
IMPERATIVE: Check that the tensioner roller turns freely (no tight spot).
Refitting.
Fit the (new)timing belt, in the following sequence:
Inlet camshaft pulley.
Exhaust camshaft pulley. Guide roller.
Crankshaft pulley.
Position the tool
[5].
Coolant pump pulley.
Dynamic tensioner roller.Remove tools
[3],[4]and [5].
B1CP0F2DB1CP0F1D
C3

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175
CHECKING AND SETTING THE VALVE TIMING
Engines: 6FZ RFN 2003 #
Setting the timing (continued).
A:
Pegging on the manual gearbox.
B:Pegging on the automatic gearbox.
Peg:
The crankshaft, using tool
[2].
The camshaft pulleys
(5)and (6), using tool [1].
Remove:
The screw
(3)of the crankshaft pulley (2).
The lower timing cover
(4)(by moving the engine).
IMPERATIVE: Never remove the crankshaft pulley (2) without pegging the crankshaft
and the camshafts.
Slacken the screw (9)of the tensioner roller (8).
Turn the tensioner roller
(8)(clockwise).
Remove the timing belt
(7).
I
MPERATIVE: Systematically replace the following components: timing belt, exhaust
manifold fixing nuts, timing belt tensioner roller nut.
B1BP2V3DB1EP1BBD
XSARA XSARA PICASSO

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ENGINECHECKING AND SETTING THE VALVE TIMING
Engines: 6FZ RFN 2003 #
Setting the timing (continued).Turn the tensioner roller (8), using tool [5a]to go beyond slot «b».
Position the tool [5b]to lock the index «a»and remove the tool [5a].
Reposition the timing belt (7)on the crankshaft pulley.
Hold the timing belt (7)in place using tool [3].
Fit the timing belt (7)in place, respecting the following order:
Guide roller (10).
Inlet camshaft pulley (6).
Exhaust camshaft pulley (5).
Coolant pump (11).
Tensioner roller (8).NOTE:Make so that the belt (7)is as flush as possible with the exterior face of the various
pinions and rollers.
Remove: Tool
[3].
Tool [1]from the exhaust camshaft pulley.
Tool [5b]from the tensioner roller (8).
Refit: The lower timing cover
(4)(by moving the engine). The crankshaft pulley (2).
Screw (3)of the crankshaft pulley
Tighten screw (3)to 4 ± 0,4 m.daN, then angular tighten to 53° ± 4°, tool [4].
B1EP1BCDB1EP1BDC
XSARA XSARA PICASSO

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ENGINECHECKING AND SETTING THE VALVE TIMING
Engines: 6FZ RFN 2003 #
Refitting (continued).
Remove the tools [1]and [2].
Rotate the crankshaft ten times (normal direction of rotation).
IMPERATIVE: No pressure or outside force should be brought to bear on the timing belt.
Peg the inlet camshaft pulley, using tool [1].
Checks.
Tension of the timing belt.
ESSENTIAL:Check the position of the index «a», which should be opposite the slot «g».
If the position of the index «a» is not correct,repeat the operations to tension the timing belt.
Refit the upper timing cover (1).
Clip the fuel delivery hose on the timing cover.
Refit the accessories drive belt
(see corresponding operation).
Lower the vehicle.
Reconnect the battery
(see corresponding operation).
B1EP1BEC
B1EP1BFC
XSARA XSARA PICASSO

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ENGINEXSARACHECKING AND SETTING THE VALVE TIMING
Engine: RFS
Remove:
The peg [3].
The screw (4)(brush the screw thread).
The pulley (5).
The lower cover (6).
Remove:
The tool
[6].
The studs (8).
Fit the tool [4].
Loosen the screws (10).
Remove the tool [4].
Slacken the tensioner roller (7).
Remove the belt (9). Peg the crankshaft using tool
[3].
Peg the camshaft pulleys using tool [2].
Lock the flywheel using the tool [6].
Refit:
The pulley (5).
The screw (4)(tighten moderately).
The peg [3].
B1EP120CB1EP11ZC
Setting the valve timing.

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185
CHECKING AND SETTING THE VALVE TIMING
Engines: 8HX 8HW 8HZ
B1EP18EC
Checking the setting (continued).
Remove:
the accessories drive belt.
the accessories drive pulley.
the lower timing cover
(3).IMPERATIVE: The magnetic track should show no signs of damage
and should not be approached by any other source of magnetism.
Reposition the screw (2).
Remove tool [3].
Rotate the engine by means of the crankshaft pinion screw (2)(clock
wise), to bring it to the pegging position.
Position the tool [4].
Peg the crankshaft pinion (1), using tool [5].
Peg the high pressure pump pinion, using tool [5].NOTE:Index «a»of the roller tensioner must be centred within the
area «b».
Check the correct positioning of index «a».
Remove tools [4]and [5].
Rotate the engine ten times.Fit the tools
[4]and [5].
If pegging is not possible, carry out the operation to remove/refit the
timing belt
(see corresponding operation).
B1JP03SCB1EP18DCB1EP18FC
C2 C3 C3 PLURIEL XSARA

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ENGINECHECKING AND SETTING THE VALVE TIMING
Engines: 8HX 8HW 8HZ
B1EP18GC
Setting the timing.
Remove the upper timing cover (1).
Rotate the engine by means of the crankshaft screw (2).
NOTE:The pegging hole is located under the crankshaft bearing cap cover.
Peg the engine flywheel, using tool
[3].
Remove the lower timing cover (3).
Uncouple the exhaust line from the manifold.
IMPERATIVE: Uncouple the exhaust line in order to avoid damaging the front flexible pipe. Twisting,
pulling and bending the front flexible pipe reduces its life.
Remove:
The engine speed sensor (6).
The belt retaining stop (5).
The screw (2).
The crankshaft pinion (4)(with its magnetic track «a»).
IMPERATIVE: The magnetic track should show no signs of damage and should not be approached
by any other source of magnetism.Should this not be adhered to,it is essential to replace the crank
shaft pinion.
Refit the screw (2).
B1BP2LXC
C2 C3 C3 PLURIEL XSARA

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193
CHECKING AND SETTING THE VALVE TIMING
Engines: 8HY 8HV
B1BP2N1CB1BP2N2C
Checks.
Rotate the engine to engage it (normal direction of rotation).
Immobilise the engine flywheel at
«a», using tool [1].
Move aside the harness
(6).
Remove: The engine support
(7).
The screw
(8).
The pulley
(9).
The lower timing cover
(10).
The upper timing cover
(11).
The tool
[1].
C3

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195
CHECKING AND SETTING THE VALVE TIMING
Engines: 8HY 8HV
B1EP18ZC
Checks (continued).
NOTE:
The index «e»of the dynamic tensioner roller should be centred within the area «d».
Check the correct positioning of the index
«e».
If it is not correct, repeat the operation to tension the timing belt
(see corresponding operation).
Refitting.
Refit the tool [1]at «a».
Remove the screw
(8).
Refit:
The upper timing cover
(11).
The lower timing cover
(10).
The accessories drive pulley
(9).
The screw
(8).
Tightening torque.
Screw (8):
Pretighten to
:3 ±0,3 m.daN.
Angular tightening
:180° ± 5°.
Remove the tool
[1].
C3

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199
CHECKING AND SETTING THE VALVE TIMING
Engines: 8HY 8HV
B1EP18XC
Setting the timing (continued).
Chec
ks (continued).
Reposition the timing belt, belt at «e»well tensioned, in the following order:
Guide roller
(17).
Camshaft pulley
(16).
Fuel high pressure pump pulley
(15).
Coolant pump pinion
(18).
Tensioner roller
(19).
Remove the
5 mmdiameter peg at «d».
Adjusting the fitting tension of the belt.
Action the tensioner roller (19)to align the marks «f»and «g», avoiding detensioning the timing belt,
with the aid of a male hexagonal spanner, at
«c».
If this is not successful, repeat the operation to tension the belt.Hold the tensioner roller in position
(19).
Tighten the tensioner roller, tightening to
3,7 ±0,3 m.daN.
Check the position of the tensioner roller
(the alignment of the marks «f»and «g»should be correct).
Remove tools
[2]and [3].
Turn the crankshaft
six rotations(clockwise).
C3