Peugeot EB2 PureTech 1.2 engine rebuild: refitting the valves and camshafts into the cylinder head.

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  • OVERALL DIFFICULTY INDEX: 4/10
  • IF YOU HAVE NO TOOLS YOU SPEND $40 TO GET THEM FOR THIS JOB
  • IF YOU HAVE NO EXPERIENCE YOU SPEND 3 HOURS TO CARRY OUT THIS JOB
  • RISK OF IRRITATION FROM CONTACT WITH MOTOR OIL
BEFORE YOU START
  • Make sure to wear gloves at all time when working on an open engine to avoid any contact with used or new motor oil.
  • Work in a well ventilated area not to breathe motor oil vapors.
DISCLAIMER:
Our pictorials are of informative nature and do illustrate works carried out by ourselves at our own premises for our own use and satisfaction.
Readers who envisage to carry out similar works inspired by the below method shall do this at their own risks and liability.

Context of this PureTech engine rebuild:

This pictorial is part of a series of tutorials that include dismantling the valves of the EB2 PureTech engine, cleaning them, replacing the valves seals, refitting valves and lifters, measuring the valves gaps and eventually replacing lifters.

Refitting the intake and exhaust valves on the a Peugeot 1.2 PureTech engine (EB2) cylinder head

Put a drop of oil on each of the newly fitted valves seals.
Nos proceed valve by valve, as you need to put oil on the valve rod and then introduce it into its guide.
Make sure to refit the valves in the same order they were removed, i.e. each valve of each cylinder goes back again to its same valve guide. Put all the valves back in place.
Note: if you face difficulty in reintroducing the valve into it sleeve, it could be because you did not put enough oil on the valve rod.
Add oil and try again.
Push and pull the valve several times in its guide sleeve and make sure it slides smoothly.
If not, inspect well the valve rod and eliminate with a grit 400 sand paper any irregularity on the valve rod surface.
If the valve still doesn't slide properly in its sleeve, then either the rod is bent or the valve sleeve is damaged.
You need to replace both. This is not shown in this pictorial.
Refit the valve spring and its cup and compress it with the valve removal and refitting tool (valve spring compressor)
If the valve spring takes the valve rod down with it while you're compressing it, simply push the valve back with your hand in a manner to free it from the spring cup. Refit the two half-cones with long-nose pliers or a magnetic screwdriver and release the spring.
Make sure the two half-cones are well in their intended groove on the valve rod after releasing the spring.

Refitting the valve tappets and camshafts on the Peugeot 1.2 PureTech (EB2) engine cylinder head

Put a drop of oil on the tappet where the valve rod comes into contact as shown on the left picture, then generously put oil all around its cylinder prior to refitting the tappet. As for the valves, make sure each tappet goes back to the exact place where it was.
Do not force, if you face difficulty in refitting the tappet, it is either because you did not put enough oil or because it is slightly oblique.
Take it back out and reintroduce it properly in its seat.
Put oil on each of the camshafts bearings.
Put the camshafts in their bearings making sure the exhaust camshaft goes to the exhaust side and the intake camshaft to the intake side, fit the other half of the bearings then the bolts and tighten gently by hand and until contact only.
Proceed to the valves gap measurement.

See also our other tutorial on the PureTech engine rebuild:

Buy your valve seals for Peugeot, Citroën equipped with the 1.2VTi engine here:
Buy the valve seals of the Peugeot EP6 engine here, also suitable for number of Citroën and Mini Cooper models:
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