REAR DRUM BRAKE REMOVAL AND INSTALLATION


caution
  • The vehicle speed detection encoder collects any metallic particle easily, because it is magnetised. Make sure that the encoder should not collect any metallic particle. Check that there is not any trouble prior to reassembling it. <Vehicles with ABS>
  • Always keep magnetic substances away from the vehicle speed detection encoder. <Vehicles with ABS>
  • When the rear wheel speed sensor is removed and installed, make sure that its pole piece does not contact with surrounding parts to avoid damage. <Vehicles with ABS>
Pre-removal Operation
  • Brake Fluid Draining

 Post-installation Operation
  • Brake Fluid Filling and Air Bleeding (Refer to ).
  • Parking Brake Lever Stroke Adjustment (Refer to GROUP 36, On-vehicle Service - Parking Brake Lever Stroke Check and Adjustment ).




Removal steps


1.
 Hub cap
<<A>>
 >>B<<
 2.
 Self-locking nut
<<B>>
3.
 Rear wheel hub assembly


4.
 Shoe-to-shoe spring


5.
 Strut-to-shoe spring


6.
 Snap ring
<<C>>
7.
 Adjuster assembly


8.
 Retainer spring


9.
 Retainer spring

>>A<<
 10.
 Parking brake rear cable connection


11.
 Shoe and lining assembly


12.
 Parking lever


13.
 Adjusting hole cover


14.
 Brake tube connection (wheel cylinder side)


15.
 Wheel cylinder assembly


16.
 Rear wheel speed sensor <Vehicles with ABS>


17.
 Backing plate


18.
 Hose clip


19.
 Brake tube connection (body side)


20.
 Brake hose


21.
 Brake tube connection (brake hose side)


22.
 Bracket

REMOVAL SERVICE POINTS

<<A>> SELF-LOCKING NUT REMOVAL

caution
  • Do not apply the vehicle weight to the wheel bearing while loosening the self-locking nut, or the wheel bearing will be damaged.
  • Use an manual tool only to remove the self-locking nut. (Do not use an electric or air tool).
  • Do not loosen the self-locking nut more than eight turns per one minute.

<<B>> REAR WEEL HUB ASSEMBLY REMOVAL

Use the following special tools to remove the rear wheel hub assembly.

  • Axle shaft puller (MB991292)

<<C>> ADJUSTER ASSEMBLY RELEASE

Procedure of releasing adjuster as follows, insert flat-tipped screwdriver into adjuster check hole. Hook the tip of flat-tipped screwdriver on projection of adjuster lever. Release the engagement by moving the adjuster lever to arrow direction.

INSTALLATION SERVICE POINTS

>>A<< PARKING BRAKE REAR CABLE CONNECTION

After installing a parking brake rear cable in the parking lever, pull a parking brake rear cable and confirm that it does not come out from parking lever.

>>B<< SELF-LOCKING NUT INSTALLATION

caution
  • Before securely tightening the self-locking nuts, make sure there is no load on the wheel bearings. Otherwise the wheel bearing will be damaged.
  • Use an manual tool only to tighten the self-locking nut. (Do not use an electric or air tool).
  • Do not tighten the self-locking nut more than eight turns per one minute.
Tighten the self-locking nut to the specified torque.