MC012C-AS00 TRANSAXLE: HYDRAULIC AND PARK BRAKE SYSTEMS
Brake Drum Removal
Page 6-6
2003 Pioneer 1200/1200SE Gasoline Vehicle Maintenance and Service Manual
6
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,
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.
Rear brakes drag
Binding park brake cables
Adjust or replace cables and adjust.
Improper brake adjustment
Adjust shoes and repair the brake shoe
adjusters if necessary. See Brake Cluster
Inspection and Cleaning on page 6-10.
One brake drags
Weak or broken brake shoe return springs
Replace the return springs.
Improper brake shoe adjustment
Adjust shoes and repair the brake shoe
adjusters if necessary. See Brake Cluster
Inspection and Cleaning on page 6-10.
Sticking wheel cylinder pistons
Replace the wheel cylinder. See Wheel
Cylinder Replacement on page 6-19.
Swollen wheel cylinder cups
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.
Bent or distorted brake shoes
Replace the brake shoes. See Brake
Shoe Removal on page 6-8.
Loose or worn front wheel bearings
Adjust or replace front wheel bearings.
See Section 7 – Steering and Front
Suspension.
Damaged brake line or hydraulic line
Replace brake lines or tubes as required.
See Hydraulic Line and Hose
Replacement on page 6-23.
TROUBLESHOOTING GUIDE
SYMPTOM
POSSIBLE CAUSES
CORRECTIVE ACTION
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