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Brakes Level 1

AUTO 105

Brakes Level 1

AUTO 105

Course Description

Introduces inspection and maintenance of hydraulic, mechanical and electrical braking systems. Practices NATEF tasks to MLR (maintenance and light repair) level related to brake systems. (30-24)

Outcomes and Objectives

Complete general level 1 NATEF tasks for Brakes as listed below.

Objectives:

  • Research applicable vehicle and service information, vehicle service history, service precautions, and technical service bulletins.
  • Describe procedure for performing a road test to check brake system operation, including an anti-lock brake system (ABS).

Complete Hydraulic System related Level 1 NATEF tasks as listed below.

Objectives:

  • Measure brake pedal height, travel, and free play (as applicable); determine necessary action.
  • Check master cylinder for external leaks and proper operation.
  • Inspect brake lines, flexible hoses, and fittings for leaks, dents, kinks, rust, cracks, bulging, wear, loose fittings and supports; determine necessary action.
  • Select, handle, store, and fill brake fluids to proper level.
  • Identify components of brake warning light system.
  • Bleed and/or flush brake system.
  • Test brake fluid for contamination.

Complete Drum Brakes related Level 1 NATEF tasks as listed below.

Objectives:

  • Remove, clean, inspect, and measure brake drum diameter; determine necessary action.
  • Refinish brake drum and measure final drum diameter; compare with specifications.
  • Remove, clean, and inspect brake shoes, springs, pins, clips, levers, adjusters/self-adjusters, other related brake hardware, and backing support plates; lubricate and reassemble.
  • Inspect wheel cylinders for leaks and proper operation; remove and replace as needed.
  • Pre-adjust brake shoes and parking brake; install brake drums or drum/hub assemblies and wheel bearings; make final checks and adjustments.
  • Install wheel and torque lug nuts.

Complete Disc Brakes related Level 1 NATEF tasks as listed below.

Objectives:

  • Remove and clean caliper assembly; inspect for leaks and damage/wear to caliper housing; determine necessary action.
  • Clean and inspect caliper mounting and slides/pins for proper operation, wear, and damage; determine necessary action.
  • Remove, inspect, and replace pads and retaining hardware; determine necessary action.
  • Lubricate and reinstall caliper, pads, and related hardware; seat pads and inspect for leaks.
  • Clean and inspect rotor, measure rotor thickness, thickness variation, and lateral runout; determine necessary action.
  • Remove and reinstall rotor.
  • Refinish rotor on vehicle; measure final rotor thickness and compare with specifications.
  • Refinish rotor off vehicle; measure final rotor thickness and compare with specifications.
  • Retract and re-adjust caliper piston on an integral parking brake system.
  • Check brake pad wear indicator; determine necessary action.
  • Describe importance of operating vehicle to burnish/break-in replacement brake pads according to manufacturer’s recommendations.

Complete Power-Assist Units related Level 1 NATEF tasks as listed below.

Objectives:

  • Check brake pedal travel with, and without, engine running to verify proper power booster operation.
  • Check vacuum supply (manifold or auxiliary pump) to vacuum-type power booster.

Complete Miscellaneous Brakes related (Wheel Bearings, Parking Brakes, Electrical, Etc.) Level 1 NATEF tasks as listed below.

Objectives:

  • Remove, clean, inspect, repack, and install wheel bearings; replace seals; install hub and adjust bearings.
  • Check parking brake cables and components for wear, binding, and corrosion; clean, lubricate, adjust or replace as needed.
  • Check parking brake operation and parking brake indicator light system operation; determine necessary action.
  • Check operation of brake stop light system.
  • Replace wheel bearing and race.

Complete Electronic Brakes, and Traction and Stability Control Systems related Level 1 NATEF tasks as listed below.

Objectives:

  • Identify traction control/vehicle stability control system components.
  • Describe the operation of a regenerative braking system.