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00-05-22-002N Disc Brake Warranty Service and Procedures - (May 31 2013) Disc Brakes - part 14

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ORKSHEET — BRAKE LATHE CALIBRATION

Important:Brake lathe calibration should be performed and recorded monthly or if you are consistentlymeasuring high LRO after rotor refinishing.

BRAKE LATHE CALIBRATION CHECK SHEET

Dealer Code: _________________________

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Date: _________________________

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Lathe Type: ______________________________

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Lathe Model:____________________________

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What is the Lathe's Run Out-______________________

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Is the Lathe within Specification- __________ Yes ---- __________ No

Comments:

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ATTACHMENT FORM — GM BRAKE SERVICE REPAIR ORDER DOCUMENTATION FOR REQUIRED MEASUREMENTS

PART MEASUREMENT/REPLACEMENT DOCUMENTATION

Dealer Code: _________________________

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Repair Order Number: _________________________

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Front Rotor - ORIGINAL/REFINISHED thickness measurements (required when front laboroperation is used):Thickness Specification (Min. Thickness/Discard Stamped on Rotor/SI): ____________________inch/mm (Circle One)ORIGINAL measured thickness before refinish: Left Front (OLF)__________ inch/mm -----Right Front (ORF)__________ inch/mmREFINISHED measured thickness after refinish: Left Front (RLF)__________ inch/mm -----Right Front (RRF)__________ inch/mmRear Rotor - ORIGINAL/REFINISHED thickness measurements (required when rear laboroperation is used):Thickness Specification (Min. Thickness/Discard Stamped on Rotor/SI): ____________________inch/mm (Circle One)ORIGINAL measured thickness before refinish: Left Rear (OLR)__________ inch/mm -----Right Rear (ORR)__________ inch/mmREFINISHED measured thickness after refinish: Left Rear (RLR)__________ inch/mm -----Right Rear (RRR)__________ inch/mm

Rotor Replacement:

If rotors are replaced, you must indicate reason for replacement

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Pad Replacement:

If Pads are replaced, you must indicate reason for replacement:

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GM bulletins are intended for use by professional technicians,NOT a "do-it-yourselfer".  They are written to inform thesetechnicians of conditions that may occur on some vehicles, or toprovide information that could assist in the proper service of avehicle.  Properly trained technicians have the equipment,tools, safety instructions, and know-how to do a job properly andsafely.  If a condition is described, DO NOT assume that thebulletin applies to your vehicle, or that your vehicle will havethat condition.  See your GM dealer for information on whetheryour vehicle may benefit from the information.

#00-05-22-002N: Disc Brake Warranty Service and Procedures - (May 31, 2013) Disc Brakes

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