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Drum Brake Inspection

Drum Brake Inspection

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Drum Brake Inspection

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  1. Drum Brake Inspection

  2. Mark the stud next to the valve stem (Balance)

  3. Mark the drum to keep the balance

  4. Drum Removal Lock screw / s

  5. Drum Removal FWD cars

  6. Drum Removal FWD cars

  7. Drum Removal Groves from the rivets wearing into the drum. The last brake job... the drums weren’t turned

  8. Riveted Lining Rivets hold the lining better, but can wear the drums if not replaced soon enough

  9. Drum Removal

  10. Drum Removal

  11. Worn Drums • Scored • Bell Mouthed • Concaved

  12. Max. Drum size Why is this important

  13. Non Servo brake lining • Servo Brake lining • Primary • Secondary

  14. Servo Non-Servo

  15. Check the Wheel Cylinders for leaks

  16. Adjusters • Check them for wear • Frozen

  17. Axle Seals • Inside Leak • Outside Leak