Clean brake discs thoroughly. Blow all disc cooling holes using compressed air.
This bulletin applies to 2017-2021 Acura NSX vehicles. A clicking noise may be heard from the wheel area while driving. This may be caused by debris in the brake discs. Remove all four brake discs and thoroughly clean.
Using compressed air, blow all loose dirt and debris from the face of the disc, from the drilled cooling holes (carbon ceramic discs) and the bobbins connecting the solid hat to the disc. Using an approved brake cleaner, clean the face of the disc (iron discs only) and apply generously to the bobbin area. Note: Cover the face of carbon ceramic discs to avoid applying brake cleaner.
Wipe and clean with a soft cloth and dry with compressed air. Wipe off any excess.
Mike Mavrigian has written thousands of automotive technical magazine articles involving a variety ofspecialties, from engine building to wheel alignment, and has authored more than a dozen books that crisscross the automotive spectrum. Mike operates Birchwood Automotive, an Ohio shop that builds custom engines and performs vintage vehicle restorations. The shop also features a professional photo studio to document projects and to create images for articles and books.
