Today at Atelier Kaz - ex-Honda R&D, F1, Indy/CART engineer

Quite busy from today and over the weekend so not much time spent on this NSX today.


In the process of removing the cam shaft.

Very clean engine.


Although the rear bank is covered in light brown, it will easily come off by simply wiping off with the fingertip.


If the owner can carry on using and replacing the good quality engine ...

Tags: cam holder, cam shaft

Categories

TB/WP/Valve Service , Engine/Tyre

Before going any further, wanted to carry out the vacuum leak check of the cooling system especially after replacing the WP as well as all of the coolant hoses.


You don’t want to find any leakage at the WP after re-assembling everything as you will need to remove almost everything again to get to the WP.

Installed the header tank and oil cooler hoses in ...

Tags: gasket, vacuum leak check

Categories

TB/WP/Valve Service , Engine/Tyre , Cooling

Time to wash the very dirty valve covers, TB Front/Rear covers and install the new gasket on them including the TB lower cover and IGN Coil cover.


This will allow liquid gasket to cure well before the re-assembly process.


As reported earlier, the fixing nuts for the valve covers were very loose and the gaskets/seals were not replaced during the last TB service.



This resulted ...

Tags: cleaning, valve cover

Categories

TB/WP/Valve Service , Engine/Tyre

Before backing off the valve clearance adjuster and removing the TB, checked the valve clearance on some of the cylinders.


They were either at the max limit or just above so seems like it was not adjusted properly last time.


#4 cyl was at the limit so it will be interesting to see how it will improve the deviation in compression data after the service.

As seen ...

Tags: water pump

Categories

TB/WP/Valve Service , Engine/Tyre

As the TB Rear cover was missing the rubber seal, lots of oil/debris were observed around the area.


Due to the damage to the Front valve cover seal, some sort of chemical managed to get inside the TB area and changed the colour of almost half of the TB Front cover.


It will be cleaned thoroughly during the process.

...

Tags: blowby gas, tb cover

Categories

TB/WP/Valve Service , Engine/Tyre