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

Despite the poor status of cooling system,
the mechanical engine parts were in very clean condition.

All LMA felt soft but they will be replaced any way.

Slight heavy marking on #3 intake side cam lobe but nothing major.
Looked to be something (black liquid gasket??) was trapped
in the past ...

Tags: cam shaft, camshaft, lma, oil press sender, spool valve, vtec, vtec spool valve

Categories

Eng Refresh Stage 1 + LMA

So, started the engine to warm it up in preparation for
the compression check after the service and while measuring the
wheel stud bolt length for other purpose, the tappetty noise came back.


Back to the white board.


In fact, replacing the LMA cleared the background noise caused
by the sticky LMA and now I can distinguish two different noises.

Both noises seemed to be at the same frequency as the INJ pulse
so ...

Tags: inj, lma, vtec

Categories

Eng Refresh Stage 1 + LMA , Engine/Tyre

VTEC Spool valve service.

It can be done at any time without opening the engine
but it’s a MUST item due to the process for
replacing the LMA.

This NSX is using the smaller ...

Updated 15-05-2013 at 10:52 AM by Kaz-kzukNA1

Tags: crank pulley, head cover, oil press sender, oil pressure sender, spool valve, valve cover, vtec, vtec spool valve

Categories

Eng Refresh Stage 1 + LMA

Couldn’t take lots of photos while my hands were covered in oil
dealing with lots of rocker arms, etc so just the end result.







All four cam shafts removed, holder plate and cam holders are
now soaked in the cleaning solution.

Will inspect the cam shaft in detail later.
Considering ...

Tags: cam holder, cam holder plate, cam shaft, holder plate, rocker arm, rocker shaft, spool valve, vtec, vtec spool valve

Categories

Eng Refresh Stage 1 + LMA

New filter gaskets and the bolts for later spec VTEC Spool valve.
Must replace the bolts especially the vertical ones.









Degrease the mating surface to this level. ...

Updated 01-01-2013 at 02:42 PM by Kaz-kzukNA1 (layout change for mobile devices)

Tags: engine dressing, oil press sender, vtec, vtec spool valve, vtec valve

Categories

Engine Refresh Stage 2