TB/WP/Valve Service

I think I spent quite long time on the CCU board that I kept working from last week.


Now I’m well behind the schedule (again)……


At this stage, it is very unlikely that I can return this NSX over the weekend but will see….


Needs to think about the future service structure…..

In the process of cleaning the engine, cam holders ...

Updated 23-04-2011 at 11:08 PM by Kaz-kzukNA1

Tags: cam holder, holder plate

Categories

TB/WP/Valve Service , Engine/Tyre

Started to clean the cam holders.


Due to the blowby gas and about 1 year old engine oil, the sticky black oil sludge was quite stubborn even for this low mileage NSX.


Decided to soak them in the cleaner fluid for longer period.


Quite normal for any engines with combination of short distance driving and when the engine oil is nearly 1 year old so nothing to worry.


...

Updated 23-04-2011 at 11:10 PM by Kaz-kzukNA1

Tags: cam holder, water pump

Categories

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

Cam holders waiting for the cleaning process.


Cam shafts waiting for the cleaning and inspection.






As this NSX is at very low mileage, the cam lobe coating showed very little wear.


Time to clean the engine and scrape off all these old liquid gasket residue.


Time consuming ...

Updated 23-04-2011 at 11:10 PM by Kaz-kzukNA1

Tags: cam holder, cam shaft

Categories

TB/WP/Valve Service , Engine/Tyre

Time to remove all four cam shafts for inspection.


Front and Rear ones removed.








As seen on other NSX, the tiny oil jet at the cam holder was trapping dirty black residue.


Another reason to replace engine oil regularly even you cover very little mileage per annum.
...

Updated 23-04-2011 at 11:11 PM by Kaz-kzukNA1

Tags: cam shaft, engine oil

Categories

TB/WP/Valve Service , Engine/Tyre

TB removed.


The area behind the TB drive pulley was very clean.


This photo was taken before cleaning anything.


The crank oil seal was also very clean so no need to replace.





WP removed.


Looks very clean in the photo but ….


It was already making small noise from the bearing.
...

Updated 23-04-2011 at 11:12 PM by Kaz-kzukNA1

Tags: tb drive pulley, water pump

Categories

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