Dacia Solenza (engine E7J). Manual - part 12

ENGINE

 E7J-262

10

ENGINE ASSEMBLY

10 - 23

    Dismount:

- cylinder head cover;
- intake manifold and exhaust manifold;
- cylinder head screws, less the one with

the centering bushing, that shall be only loosed;

- rotate the cylinder head around the

not-dismounted screw by easy hammering by
means of  a  rubber  hammer.

- dismount the  cylinder  head;
- mount the jackets maintaining device

MOT 484 or the clamps MOT 588.

Dismounting – Remounting

MOT  484

Dismount :

- rocker’s ramp;

- camshaft sealing ring;
- camshaft gear (to be blocked by

means of MOT 799-01 device);

- camshaft;
- thermostat support;
- spark plugs;
- valves springs;
- valves;
- valves oil sealing rings, by means of

the MOT. 1335 pliers.

Clean the cylinder head by removing the

stacked gasket.

It is very important not to scratch the

cylinder head on gasket seating face.

The Decapjoint product  is to be used

for removing the remaining gasket stacked
pieces.

Apply the product on the area to be

cleaned, wait for  about  10 minutes, and then
clean with  a wooden spatula.

During this operation protection gloves are

to be  used.

ENGINE  E7J-262

10

ENGINE ASSEMBLY

10 - 24

ATTENTION!
Avoid foreign materials introduction

into the oil grooves, otherwise the latter
will clog, and consequently the rockers
slides and cams rapid damaging.

The cylinder head flatness is checked by

means of a ruler and a kit of gauges.

Maximal permitted deformation: 0.05 mm.

REMARK:

  The cylinder head is not to be rectified.

CYLINDER HEAD ASSEMBLING

All parts  are to be lubricated with oil.
Mount the valve oil sealing rings 2 on the

valve guides 3, by means of an 11-mm
socket wrench.

 The followings are to be mounted in order:

- washers 1 from valves springs bottom;
- new valves 4.

- springs 5 ( identical for intake and

exhaust);

- hoods 6

Compress the springs 5 then mount the

half-cones 7 which are identical for intake and
exhaust.

 ATTENTION!

New valves must have the same marking

8 with the old ones in order to avoid the
damaging of the seat/valve assembly.

Dismounting – Remounting

ENGINE

 E7J-262

10

ENGINE ASSEMBLY

10 - 25

Lubricate the camshaft with engine oil.
Mount the camshaft and its clamp.
Check the camshaft axial  clearance, which

must be between 0.06 mm and 0.15 mm, in
case this one is not corresponding, check the
clamp and the camshaft.

Dismounting – Remounting

Mount :

- camshaft sealing gasket by  means of

the MOT 1127  –  01 device.

- thermostat support; Loctite 518 is to

be used for its sealing.

The layer  H must be 0.6 till 1 mm thick

and is to be applied as per the following dia-
gram.

- camshaft gear.

Camshaft gear is to be blocked by means

of the MOT 799 – 01 device and  tighten its
attachment screw, to the required moment of
4.5 daNm (lubricate the screw head and
thread with engine oil).

ENGINE  E7J-262

10

ENGINE ASSEMBLY

10 - 26

CYLINDERS BLOCK

Dismounting – Remounting