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

Brake OH, Cooling Sys, etc 13

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The bearing at the A/C Idle pulley was rattling and making squeaking noise when spun by hand.
Replaced with new one.







Before draining the eng oil and coolant, I checked the ATF level after test driving session and 70sec after stopping the engine. So far, I had to extract 1L.
Will check the level again once I can start the engine and go through the gears.









Another NSX with over tightened battery clamps.
There was some corrosion inside the positive clamp as well.
Cleaned it for now.

For the GND cable, the nut was simply bottomed out and chewing into the clamp
so the damage was already done.
Going to replace it with a new one.







When this NSX arrived at my place, the ABS fluid level was just at the Max line.

Now it’s above the line so I’m afraid there is a leak from the solenoid(s).

It’s the 2nd gen ABS so better chance of surviving without the solenoid leakage issue but still,
over the years with very little mileage, not much opportunity to exercise the ABS.

Best to flush each solenoid manually by applying 12V in a specific way as some of the procedures on the web are not complete and
can only flush part of the system.





Not much to report while removing all these 25 (AT, non-DBW) coolant hoses and replacing the radiator…..


Kaz












Comments

  1. Pride's Avatar
    Kaz, what is the torque setting for the spark plugs on my NA1???
    Thanks
  2. NSXGB's Avatar
    Clive, have you forgotten how to search the online service manuals?? Page 23-96.
  3. Pride's Avatar
    Of course, cheers mate.
  4. Kaz-kzukNA1's Avatar
    18Nm with tiny amount of anti-seize.
    This will result in about 25Nm when installed dry and that is the recommendation from NGK and Denso for this type/size of the spark plug.
    Just be careful when installing the new plug out of the box.
    Quite often, you end up with too loose or too tight if you try installing it in one go.
    I normally tighten it to squash the fresh gasket, loosen it and remove. Then, apply small amount of anti-seize and torque to the spec.

    Kaz
  5. solidol's Avatar
    Hi Kaz, can you share the part number for ac idle pulley bearing? I think I need to replace mine soon. Thanks.
  6. Kaz-kzukNA1's Avatar
    Hi, solidol.

    First, please check the state of the pulley itself. From time to time, I have seen cracked/damaged pulley.
    If replacing just the bearing and re-using the pulley, then the bearing model is written on the body (as in above photo) but please make sure to order the double seal LLU type.

    NTN 6203LLU

    Kaz