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TB/WP/Valve Service

  1. TB/WP/Valve 10

    by , 10-05-2011 at 11:14 PM (Today at Atelier Kaz - Private NSX Enthusiast, ex-Honda R&D engineer with F1, Indy/CART background)



    In the process of cleaning the cam shaft cap seal area.



    Click image for larger version. 

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    Before starting, 95% of the area in this photo was covered in black oil/debris.


    Now, you can see the clean engine head metal but hard to wash/clean some of the area.


    Another reason why I prefer taking the engine out even just for TB/WP service because I can't get the brush into some of the narrow area due to the ...
  2. TB/WP/Valve 09

    by , 07-05-2011 at 06:09 AM (Today at Atelier Kaz - Private NSX Enthusiast, ex-Honda R&D engineer with F1, Indy/CART background)


    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.


    Click image for larger version. 

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    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 ...
  3. TB/WP/Valve 08

    by , 06-05-2011 at 06:32 AM (Today at Atelier Kaz - Private NSX Enthusiast, ex-Honda R&D engineer with F1, Indy/CART background)


    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.


    Click image for larger version. 

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    Installed the header tank and oil cooler hoses in ...
  4. TB/WP/Valve 07

    by , 05-05-2011 at 10:02 AM (Today at Atelier Kaz - Private NSX Enthusiast, ex-Honda R&D engineer with F1, Indy/CART background)




    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 ...
  5. TB/WP/Valve 06

    by , 05-05-2011 at 09:49 AM (Today at Atelier Kaz - Private NSX Enthusiast, ex-Honda R&D engineer with F1, Indy/CART background)



    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.



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