B1EG19K1 - 406D9 EW12J4 ENGINE

REMOVAL - REFITTING CAMSHAFT

1 - SPECIAL TOOLS

[1] camshaft hub setting rods (Exhaust) (-).0189-AZ .

[2] camshaft hub setting rods (Inlet) (-).0189-L .

[3] Fitting drift for camshaft seal (-).0189-D1/D2 .

EW12J4 ENGINE

[4] Power train support crossmember (-).0009 .

ALL MODELS

2 - REMOVAL

remove the timing belt .

Remove the style cover .

Disconnect :

• the pipe (1)
• the connector (2)

Remove :

• the compact coil unit (3)
• the sensor (4)
• the cylinder head covers (5) (slacken the bolts progressively in a spiral sequence, starting from the outside)

Remove :

• the camshaft setting rods [1], [2]
• the vtc (6)

Position the open-ended spanner on the flat (7) of the camshaft .

Slacken the bolt (8) .

Remove :

• the pulley (9)
• the casing (10)

EW12J4 ENGINE

Fit :

• engine store (11)
• the 3 bolts (12)
• the nut (13)

Remove the power train retaining crossmember [4] .

ALL MODELS

Slacken the camshaft bearing cap cover securing bolts, progressively and in a spiral sequence starting from the outside, so as to separate the mating surfaces by a few millimetres .

Remove the camshaft bearing housings .

Remove the camshafts :

• tilt each camshaft by pressing on the end (clutch side) to release the centralising bearing (timing side)

If the tappets are removed :

• mark the positions of the tappets before removal
• use a valve grinding type suction cup tool

Remove oil from the threads receiving the camshaft bearing housing securing bolts .

3 - REFITTING

Refitting the tappets :

• lubricate the tappet bodies
• refit the tappets in their original positions
• check that the tappets rotate freely in the cylinder head

Oil the camshaft bearings .

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Check that the pins (14) are present .

ALL MODELS

Position the camshaft fitted with the sensor ring (2) on the exhaust side .

Position the second camshaft .

Apply a bead of SILICONE CATEGORIE 2 jointing paste at (A) round the perimeter of the joint faces and the tappings for the securing bolts .

Replace the bearing housing with the sensor hole (2) on the exhaust side .

Refit the second bearing housing .

Finger tighten then progressively tighten the securing bolts in the order shown .

Tightening torque of bolts : 0.9 da.Nm .

Replace the timing gear cover .

Before fitting the camshaft seal, ensure that the bottom of the seat is free of sealing compound .

Fit new seals using the tool [3] .

EW12J4 ENGINE

Refit the power train retaining crossmember [4] .

Remove :

• the nut (13)
• the 3 bolts (12)
• engine store (11)

ALL MODELS

Fit :

• the pulley (9)

Tighten the camshaft hub securing bolts (8) to 7.5 dan.m by immobilising the camshaft using an open-ended spanner .

refit the vtc (6) .

Refit the cylinder head covers fitted with new gaskets in the order indicated .

Stage 1 :

• proceed bolt by bolt in the order shown
• tightening torque of bolts : 0.5 da.Nm

Stage 2 :

• proceed bolt by bolt in the order shown
• tightening torque of bolts : 1.1 da.Nm

Continue the fitting operations in the reverse order to removal .

Initialise the various ECUs .