Brake Drum Removal; Front Wheel Brake Drum Removal - Pioneer 1200 Maintenance Service Manual

6
MC012C-AS00 TRANSAXLE: HYDRAULIC AND PARK BRAKE SYSTEMS
TROUBLESHOOTING GUIDE
SYMPTOM
Rear brakes drag
One brake drags

BRAKE DRUM REMOVAL

See General Warning, Section 1, Page 1-1.

FRONT WHEEL BRAKE DRUM REMOVAL

∆
WARNING
• If at any point in this procedure the hydraulic system is opened, the brakes must be bled after
the correct reinstallation of the brake components. Failure to bleed the brakes could result in
decreased braking performance due to air being trapped in the hydraulic system. Use only
DOT 5 brake fluid. See Bleeding the Hydraulic Brake System on page 6-31.
1. Chock the rear wheels, release the park brake, loosen the front wheel lug nuts and lift the front of the
vehicle with a chain hoist or floor jack. See WARNING "Lift only one end..."in General Warning,
Section 1, Page 1-1.
2. Place jack stands under the outer front frame I-beams and lower onto stands. See Figure 5-2,
Section 5, Page 5-3.
3. Remove the lug nuts and front wheel.
4. Remove the front wheel brake drum.
4.1. Remove the dust cover (1) and cotter pin (2) (Figure 6-2, Page 6-7).
4.2. Remove the castle nut (3), large flat washer (4), wheel bearing (5) and drum (8). If the brake drum
was easily removed, proceed to step 6.
Page 6-6 2003 Pioneer 1200/1200SE Gasoline Vehicle Maintenance and Service Manual
POSSIBLE CAUSES
Binding park brake cables
Improper brake adjustment
Weak or broken brake shoe return springs
Improper brake shoe adjustment
Sticking wheel cylinder pistons
Swollen wheel cylinder cups
Bent or distorted brake shoes
Loose or worn front wheel bearings
Damaged brake line or hydraulic line
Brake Drum Removal
CORRECTIVE ACTION
Adjust or replace cables and adjust.
Adjust shoes and repair the brake shoe
adjusters if necessary. See Brake Cluster
Inspection and Cleaning on page 6-10.
Replace the return springs.
Adjust shoes and repair the brake shoe
adjusters if necessary. See Brake Cluster
Inspection and Cleaning on page 6-10.
Replace the wheel cylinder. See Wheel
Cylinder Replacement on page 6-19.
Replace the wheel cylinder and purge the
hydraulic system. See Wheel Cylinder
Replacement on page 6-19, and
Purging the Hydraulic System on
page 6-32.
Replace the brake shoes. See Brake
Shoe Removal on page 6-8.
Adjust or replace front wheel bearings.
See Section 7 – Steering and Front
Suspension.
Replace brake lines or tubes as required.
See Hydraulic Line and Hose
Replacement on page 6-23.