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Today at Atelier Kaz - Private NSX Enthusiast, ex-Honda R&D engineer with F1, Indy/CART background

Eng Refresh, Cooling Sys, etc 14

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The back ordered oil pan has not left Japan yet so changed the service procedure.
Hope it will be in stock this week and arrive by the end of next week….


Measured all of the current valve clearance figure.

This is the first engine that I ever serviced in UK that has all of the clearance within the spec.

All of them were at the max limit except the one at #3cyl.
It was on the tighter side but still well within the spec.

I always recommend never touching the valve clearance until the next Eng Refresh service unless you have to.

















As suspected, the mating thread for one of the gbox bolt was stripped and although someone tried repairing it, failed and the bolt was just left with finger tight.

Looked at the bolt hole alignment and the diamter.

Although I have the tool and even the correct length coil, there is nothing I can do without first removing the gbox.

I'm going to leave it as it is.














All of the coolant pipes in this area are in fairly good condition.





















As reported earlier, the lower starter bolt was missing.
As a pre-caution, removed the starter and checked the gear teeth on the flywheel.

There were several markings but hope no serious damages were done.

Honda sent out the bolt ahead of the oil pan so just installed the starter back in place.

















Looks like never replaced???
Lots and lots of grease splashed at the TB tensioner but only tiny rattle.

I always replace it at the time of Eng Refresh on my NSX and at 60K miles, you will see fair amount of grease splashed.

Most of the owners would be doing far less than 60K miles until the next TB service but still, should be replaced every time.














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