I also fitted a new Inlet manifold gasket....
PCV breather box fitted and C-clips used where possible.
The breather box lower pipe is now modified. The one I removed was just a piece of rubber hose with two clamps, the new one is shiny solid stainless steel pipe that just 'press fits'.
One thing to note: When Volvo supply you with the PCV breather kit it comes with two hollow screws. They have the same part# and look identical. Both have a small split pin in the end and a tiny 'rattle' type affair inside. When trying to work out what the rattle was for I quickly realized it must be a one way valve. Sure enough, it is.
This next part is very important....
when you remove this hollow screw from the right side of the cylinder head...
....you must make sure you clean and refit it. This hollow screw does not have a one way valve because its to allow the coolant flow. DO NOT under any circumstances fit the Volvo supplied hollow screw, otherwise your car will over heat!
The hollow screw with the rattle is only meant for the Inlet manifold tubing. Its to prevent the breather system breathing the wrong way when idling.
I tried to get an answer from Volvo UK on the matter but they basically fobbed me off saying I would need to consult with one of the technicians at a cost of £3 a minute!!
After I spoke with my dealer and MRG they were both clueless.
Here is the hollow screw that you fit to the Inlet manifold only!...
new breather box and inlet manifold in place...
I also fitted a new Thermostat assembly which comes complete with Thermostat, Temperature sensor and housing. New Thermostat assembly gasket, new ETM gasket.
I cleaned the ETM, stripped down the fuel rail, removed and fitted new injector seals and lubricated with Vaseline ready for fitting.
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