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

Vacuum leak check of the cooling system.
While keeping the system under vacuum,
started preparation for cranking the engine.








New battery installed.








You don’t want to damage the new battery post.

Unfortunately, almost all of the NSX that I worked on in the
past had its battery post damaged by over tightening the
cable terminal.

You should stop once you start feeling enough resistance and
you should see some gap like this behind the nut.
Most of the time, there is no gap at all and the battery post is
already squashed and making the connection loose.

You can’t tighten the terminal once it hits the end stop.
You are just letting the nut to chew into the metal terminal
causing more trouble.








The cabin air temperature sensor cleaned and
also adjusted to prevent annoying noise.

It was covered in all sorts of things that you don’t want to know…..








When the owner arrived at my place,
he was interested in the modification made on my A/C CCU and
Clock that will prevent them from dimming when the
light switch was operated.

I showed him how they look and he wanted to do the same on
his NSX with the understanding that I only tested them for
several months and also not sure about the local regulations.

Modification to the CCU was done while servicing it for
leaky capacitors and now it’s time for the Clock module.

Just pull out the RED/BLK wire from the connector and
apply heat shrink tube for protection.










Left the system under vacuum for 45min and no leakage so
started filling the Honda Type 2 Blue coolant.

You can pour about 15.5L using the vacuum fill method and then
open the bleeder to let small amount of air to escape.

You won’t make the area wet because you don’t need to open the
bleeder so much and just trap the air mixed coolant with the paper towel.

Just add another 0.5L before warming up the engine and
then let the engine to cool down before topping up the header tank.

I normally need about 16.0 - 16.5L + extra depending on the service menu.




Presurised the fuel system many times to confirm that
there is absolutely no fuel leakage at all.

Hand rotated the engine many times and then applied
short cranking several times to splash some oil inside the engine.



Reconnect the INJ and IG coil and time to fire up.





Blip the engine several times to push the tiny air bubbles (if any)
inside the cooling system.

Happy with the engine sound so just keep running the engine
until it gets to idle rpm.










Wanted to bleed the brake and carry out compression check but
ran out of time.

I also misunderstood the timing of returning this NSX to the owner so
I’ll compensate for the train ticket.

Will adjust the TH cable play, coolant and oil level tomorrow.

Just need to finish the ABS and bonnet catch adjustment but I’m expecting these to take extra time because ABS solenoids were completely stuck closed…..

I don't want to wash the car in the rain again......

More to follow later.

Kaz