Skyhawk L4-121 2.0L (1986)
Brake Rotor/Disc: All Technical Service Bulletins
Tools - On-Vehicle Brake Lathe Cutting Tips
Bulletin 90-5-10
Date July '90
Ref. No. 90-133-5
Corp. Ref. No. 005003
SUBJECT:
BRAKE ROTOR FINISH
MODELS AFFECTED: ALL MODELS
CONDITION:
Comments have been received of poor brake rotor finish and/or hard brake pedal feel after refinishing brake rotors using the On-Vehicle Brake Lathe
(VGB 320/366, Kent-Moore 38-070400) sold through GM Dealer Equipment program.
CAUSE:
This condition results from using non-original cutting tips. Only original equipment replacement tips should be used.
CORRECTION:
When replacing the original cutting tips for an On-Vehicle Brake Lathe, use only replacement tips ordered from Kent-Moore Tool and Equipment
Division.
The replacement cutting tips can be ordered from Kent-Moore (1-800-GM-TOOLS) as follows:
Part Number:
J-37704-13 Cutting Tips (Box of Ten)
We believe this source and their equipment to be reliable. There may be additional manufacturers of such equipment. General Motors does not endorse,
indicate any preference for or assume any responsibility for the products or equipment from this firm or for any such items which may be available from
other sources.
