water pump Citroen C5 2000 (DC/DE) / 1.G Owner's Manual

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43 Oil pump
- Pre-tightening0.7
- Tightening0.9 ± 0.1 1.3 ± 0.1 0.9 ± 0.1
Water / oil heat exhanger5.8 ± 0.5
Lubrication pipe
- Engine end3 ± 0.3
- Turbocompressor end2 ± 0.2
Injection circuit
Injector(Flange nut)
- Tightening3 ± 0.3 4 ± 0.3
- Angular tightening45°±5°
Union on injection rail2 ± 0.2
Injection pump0.5 ± 0.1 2.25 ±0.3
Union on injector 2 ± 0.2
Common rail fixing screw 0.9 ± 0.1 0.8 ± 0.1
Injection pump pulley5 ± 0.5
Union on injection pump 2.6 ± 0.3 2 ± .02
Cooling circuit
Water pump 1.4 ± 0.1 1.6 ± 0.3
Water inlet housing 0.9 ± 0.1 2 ± .02
Engines : 6FZ-RFN-RLZ-RHY-RHZ-4HX
Lubrication circuit Diesel Petrol
6FZ RFN RJZ RHY RHZ 4HX
SPECIAL FEATURES : TIGHTENING TORQUES ( m.daN)

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49
Engine : XFX
SPECIAL FEATURES : TIGHTENING TORQUES ( m.daN)
(14) Camshaft hubs :
1stmethod(Advised method).
- Tightening2 ± 0.2
- Angular tightening57°
2
ndmethod
- Tightening8 ± 0.8
(15) Guide roller
(16) Timing belt tensioner roller 8 ± 1.2
(17) Camshaft pulley8 ± 1.2
(18) Water pump.
- Pre-tightening0.5 ± 0.1
- Tightening0.8 ± 0.1
B1EP151D

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71
Refit (continued)
- Refit the belt (10)on the pinion (12).
- Hold the belt(10)with tool [3].
- Position the belt (10)in the following order :
- The guide roller (11), the inlet camshaft pinion(9), the exhaust camshaft pinion (8), the water pump(5), the
tensioner roller (6).
NOTE :Make sure that the belt (10)is as flush as possilble with the outer face of the various pinions and rollers.
- Remove the tools [3]and[1].
T
iming belt.Adjusting the tension.- Turn the roller(6)in the direction of the arrow «b» ; using an Allen key at «a».
- Position the index «c»in its maximum setting at «d».
IMPERATIVE : The index «c» must stand proud of the notch «f» by an angular value of 10°. If it does not,
replace the tensioner roller (6) or the timing belt and the tensioner roller (6)
Bring the index «c»to its adjusting position «f»by turning the tensioner roller (6)in the direction of the arrow «e».
WARNING: The index«c»must not stand proud of the notch «f»: if it does, restart the timing belt tensioning
operation.
IMPERATIVE : The tensioner roller (6) must not turn while its fixing is being tightened up. If it does,
recommence the adjusting operation.
CHECKING AND SETTING THE VALVE TIMING
Engines : 6FZ - RFN - RLZ
B1EP14KCB1EP14JD

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77
CHECKING AND SETTING THE VALVE TIMING
Engine : XFX
Setting the valve timing (continued)
Refit.
- Check that the camshafts and the crankshaft are correctly pegged.
- Check that the rollers and the water pump pulley are turning freely. (No tightness)
- Loosen the camshaft pulley screws by a 1/4 turn.
- Make sure that the pulleys are turning freely on the camshaft hub.
- Turn the camshaft pulleys in a clockwise direction, to end of slots.
WARNING : Respect the direction of fitting of the belt : facing the timing, the inscriptions
on the belt should be readable the correct way up.
- Fit the timing belt on the crankshaft pinion.
- Position the tool [6].
- Position the timing belt in the following sequence :(Belt well tensioned).
- The roller (26), the pulley (18), the pulley(17),
- Keep the timing belt well tensioned :
- Refit the guide roller (16),tighten to 8 ± 0.8 m.daN.
- Position the timing in the following sequence :
- The camshaft pulley (15), the camshaft pulley (14), the tensioner roller (24), the water pump
pulley, and the guide roller(27).
NOTE :When positioning the belt on the camshaft pulleys, turn these clockwise so as to engage
the next tooth. The angular displacement of the pulleys should not be more than the equivalent of
one tooth.
B1EP15VDB1BP2BLC

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80
CHECKING AND SETTING THE VALVE TIMING
Engines : RHY - RHZ
Tools
[1]Belt tension measuring instrument : 4122-T
[2] Tension lever: (-).188.J2
[3]Engine flywheel peg: (-).188.X
[4]Belt retaining pin: (-).0188.K
[5]Camshaft pinion peg: (-).0188.M
[6]Engine flywheel lock: (-).0188.F
[7]Set of blocking plugs: (-).0188.T
[8] Crankshaft pulley extractor: (-).0188.P
Checking the setting of the valve timing.
Peg :
- The engine flywheel, using tool [3]. (From under the vehicle).
- The camshaft, using tool [5].
WARNING :On removing screws (6), (7), (9), and (5) of the timing cover, refit the
screw(5) equipped with a spacer (thickness :17 mm).
Tighten to 1,5 ± 0,1m.daN.
(The screw (5)is one of the screws fixing and sealing the water pump).
WARNING : Should it be impossible to peg the camshaft, check that the offset
between the camshaft pinion hole and the pegging hole is not more than 1 mm,
with the help of a mirror «a» and a Ø 7 mm screw.
B1BP282CB1BP1YSCB1EP152DB1EP14AC
IMPERATIVE : If pegging is impossible, restart the adjusting.
(See corresponding operation).

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81
Setting the valve timing.
Peg :
- The engine flywheel, tool [3].(From under the vehicle).
- The camshaft, tool [5].
Loosen :
- The three screws (21).
- The screw (19)of the tensioner roller (20).
- Remove the timing belt (22).
Checks.
IMPERATIVE : Just before refitting, carry out the checks below:
Check that :
- The rollers (20), (23)and the water pump turn freely (without play or tightness).
- There are no traces of oil (on camshaft or crankshaft).
- There are no leaks of coolant fluid (from water pump).
- Replace defective components (if necessary).
CHECKING AND SETTING THE VALVE TIMING
Engines : RHY - RHZ
B1EP152DB1BP282C

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82
CHECKING AND SETTING THE VALVE TIMING
Engines : RHY - RHZ
Setting the valve timing (continued).
- Retighten the screws (21)by hand.
- Turn the pinion(24)(clockwise) to the bottom of the buttonhole.
- Refit the belt on the crankshaft (25).
- Hold the belt, using tool [4].
Reposition the timing belt, keeping the belt tight at «a»,
in the following order :
- Guide roller (23).
- Fuel high pressure pump pinion (26).
- Camshaft pinion (24).
- Water pump pinion (18).
- Tensioner roller (20).
NOTE :If needed, slightly turn the pinion(24)anti-clockwise (not by
more than one tooth).
- Remove the tool [4].
B1EP154CB1EP155DB1EP153D

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87
Setting the valve timing.
- Turn the crankshaft to bring camshaft to its pegging point.
- Peg the crankshaft, using tool[3].
- Peg the camshaft, using tool[5].
Untighten :
- The three screws (25).
- The screw (23)of the tensioner roller (24).
- Remove the timing belt (26).
Checks.
IMPERATIVE : just prior to refitting, carry out the checks below:
Check :
- That the rollers (24) and (27)and the water pump(22) are turning freely.
(Without play and without tightness).
- Absence of traces of oil leaks (Crankshaft and camshaft sealing rings).
- Absence of leaks of coolant fluid (Water pump).
NOTE :Replace defective components(If necessary).
CHECKING AND SETTING THE VALVE TIMING
Engine : 4HX
B1EP15ADB1BP298C

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88
CHECKING AND SETTING THE VALVE TIMING
Engine : 4HX
Setting the valve timing (continued).
Refit
- Retighten the screws (25) by hand.
- Turn the pinion (29)(clockwise)to the bottom of the buttonhole.
- Refit the belt on the crankshaft (28).
- Hold the belt, using tool[4].
- Reposition the timing belt, keeping the belt tight at «a», in the following order :
- Guide roller (27).
- Fuel high pressure pump pinion (30).
- Camshaft pinion (29).
- Water pump pinion (22).
- Tensioner roller (24).
NOTE : If needed, slightly turn the pinion (29)anti-clockwise(not by more
than one tooth).
- Remove the tool [4].
B1EP15CCB1EP15DDB1EP15BD

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103
COOLING SYSTEM SPECIFICATIONS
Engines : 6FZ - RFN
(1) Venting chamber.
(2) Water pump.
(3)Heater matrix.
(4)Bleed screw, heater matrix.
(5) Drain screw, cylinder cover.
(6)Water outlet housing.
(7)Bleed screw, water outlet housing.
(8)Drain screw, cooling radiator.
(9) Plug, cooling radiator.
(10)Cooling radiator.
Thermostat tightening : 1.7 ± 0.2 m.daN
B1GP08VP