Citroen C5 X7 2.2 HDi FAP (DW12C) Timing Belt Change

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Citroen C5 X7 2.2 HDi FAP (DW12C) Timing Belt Change

Post by GiveMeABreak » 08 Oct 2019, 13:49

This procedure covers the Timing Belt replacement for a C5 X7 2.2 with DW12C engine.

Note: This procedure does not cover the 2.2 175 DW12BTED4 engine!

Note the guidance in the following post regarding lifting a hydraulically suspended X7 where the wheels will be hanging freely and unsupported:

LDS Warning

Recommended Tools
22 Timing A.PNG
22 Timing B.PNG
22 Timing C.PNG
[1] Plugs kit (-) 0194-T[2] Flywheel Setting Rod (-) 0188-X[3] Peg for Setting Camshaft Pulley (-) 0188-M
22 Timing D.PNG
22 Timing E.PNG
22 Timing F.PNG
[4] Belt Clamp (-) 0188-AD[5] Pinion Centraliser (-) 0188-AH[6] Flywheel Stop (-) 0188-F
Removing

Put the vehicle on a hoist.

CAUTION: After switching off the ignition: wait 15 minutes before disconnecting the battery, to ensure that the initialisation of the various ECUs are memorised.

Disconnect the battery. (BSI Reset / Battery Disconnect / Reconnect Procedure)

Remove:
  • The protective panel under the engine
  • The front right wheel
  • The front right mud guard
  • The engine cover
  • The accessories drive belt
  • The lower engine mounting torque reaction rod
22 Timing G.PNG
22 Timing H.PNG
Disconnect, blank off and move aside:
  • The fuel supply pipe (1)
  • The fuel return pipe (2)
Remove the fuel pipes support (3).
Move the expansion bottle upwards (4).
Support the engine, using a workshop crane.
Remove:
  • The reaction link (5)
  • The right-hand engine mounting (6)
22 Timing I.PNG
22 Timing J.PNG
Move aside the electrical harness (7).
Remove:
  • The upper timing cover screws
  • The top timing cover (8)
Turn the engine using the accessories drive pulley.
Bring the camshaft pulley to the pegging position.
Peg the camshaft, using tool [3].
22 Timing K.PNG
22 Timing L.PNG
Peg the engine flywheel, using tool [2].
Lock the flywheel, using tool [6].
Remove:
  • The (9) bolt
  • The ancillary drive pulley (10)
22 Timing M.PNG
22 Timing N.PNG
Remove:
  • The engine speed sensor (11)
  • The engine speed sensor target (12)
  • The lower timing cover (13)
  • The tool [6]
Slacken the roller tensioner (14) bolt (15).
Remove the timing belt (16).
Check
22 Timing O.PNG
CAUTION: Just prior to refitting, carry out the checks below.
Check that the rollers (15) and (17) rotate freely (no play and no stiffness).
Check that the coolant pump pulley (18) turns freely (with neither play nor tightness).
Check that there is no sign of oil leaking from the crankshaft, camshaft or other seals.
Check that the crankshaft pulley travels freely on the keyway.
Replace any defective parts (If necessary).
Refitting
22 Timing P.PNG
22 Timing Q.PNG
Centring device of the crankshaft pulley (19). using tool [5].
Refit the timing belt on the camshaft drive pulley.
Fit the tool [4] on the camshaft drive pulley (Moderately tighten).
The bolt with the washer "a":
  • The tensioning roller (17)
  • The crankshaft pulley (19)
  • The coolant pump pulley (18)
  • The roller tensioner (15)
Remove the tools [4], [5].
22 Timing R.PNG
22 Timing S.PNG
Move the index "d" to the outside of the plate (at "c"),
turning the roller tensioner
in the direction of the arrow "b", using a hexagonal banjo wrench (at "e").
Tighten the roller tensioner (15) bolt (14) to 2,5 ± 0,2 daN.m.
Lock the flywheel, using tool [6].
Refit the accessories drive pulley (10).
Tighten the bolt (9) to 7 ± 0,7 daN.m.
Remove the tools [6], [2], [3].
Turn the crankshaft 10 turn(s) in the direction of running.
Peg:
  • The crankshaft, using tool [2]
  • The camshaft drive pulley, using tool [3]
Lock the flywheel, using tool [6].
Unscrew:
  • The ancillary drive pulley (10) bolt (9)
  • The roller tensioner (14) bolt (15)
Turn the roller tensioner clockwise
using a hexagonal banjo wrench (at "e").
Position the index "d" opposite the notch "f".
Tighten the roller tensioner (15) bolt (14) to 2,5 ± 0,2 daN.m.
Tighten the accessories drive pulley to 7 ± 0,7 daNm.
Remove the tools [6], [2], [3].
Turn the crankshaft 2 turn(s) in the direction of running.
Refit the tools [2], [3].
Check the position of the index "d", it should be opposite the slot "f".

CAUTION: If the position of the index "d" is not correct
repeat the timing belt tensioning operations
(to carry out this operation, slacken the roller tensioner bolt (14) slightly).


Refit the tool [6].
Place a jack with a wooden shim (10) under the oil sump
to support the engine on removal of the right-hand engine mounting.

Refit:
  • The lower timing cover (13)
  • The engine speed sensor target (12)
  • The engine speed sensor (11)
22 Timing T.PNG
Coat the bolt (9) with threadlock LOCTITE.
Refit:
  • The ancillary drive pulley (10)
  • The bolt (9) with its washer
Method for tightening the bolt (9):
  • Pre-tightening to 7 ± 0,7 daN.m
  • Angular tightening to 82 ± 3°
Remove the tools [2], [3], [6].
Refit the upper timing cover (8).
Reposition the electrical harness (7).

Refit:
  • The right-hand engine mounting (6)
  • The reaction link (5)
  • The fuel pipes support (3)
Clip the fuel supply and return piping.
Couple up:
  • The fuel supply pipe (1)
  • The fuel return pipe (2)
Withdraw the workshop lift.
Refit the expansion bottle (4).

Refit:
  • The lower engine mounting torque reaction rod ; Tightening to 6 ± 0,6 daN.m
  • The accessories drive belt
  • The front right mud guard
  • The front right wheel
  • The protective panel under the engine
  • The engine cover
CAUTION: Perform the operations to be carried out
following reconnection of the battery.

Reconnect the battery. (Follow the reconnection part of this procedure: (BSI Reset / Battery Disconnect / Reconnect Procedure))
Return the vehicle to its wheels.
Tighten the wheel bolts.