Explorer GT 50, Service And Maintenance Manual

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104
Noisy front
suspension. 1. Not enough grease.
2. Loose nuts on suspension.
Refill.
Retighten.
Wobbly rear
wheel.
1. Distorted wheel rim.
2. Defective or incorrect tire.
3. Loose nuts on the rear shock absorber.
4. Worn engine mounting bushing.
5. Loose nuts or bolts for engine mounting.
Replace.
Replace.
Replace.
Replace.
Retighten.
Rear suspension
too soft.
1. Weakened spring.
2. Oil leakage of rear shock absorber.
Replace.
Add lubrication
Noisy rear
suspension.
1. Loose nuts on shock absorber,
2. lubrication leakage.
Adjust
Add lubrication.
BRAKES
Complaint
Symptom and possible causes Remedy
Insufficient
brake power.
1. Leakage of brake fluid from hydraulic system.
2. Worn pad.
3. Oil adhesion on engaging surface of pad.
4. Worn disc.
5. Air entered into hydraulic system.
6. Worn shoe.
7. Friction surfaces of shoes are dirty with oil.
8. Excessively worn drum.
9.
Too much brake lever play.
Repair or replace.
Replace.
Clean disc and pads.
Replace.
Bleed air.
Replace.
Replace.
Replace.
Adjust.
Brake
squeaking. 1. Carbon adhesion on pad surface.
2. Tilted pad.
3. Damaged wheel bearing.
4. Worn pad.
5. Foreign substance entered into brake fluid.
6. Clogged return port of master cylinder.
7. Brake shoe surface glazed.
8. Loose front-wheel axle or rear-wheel axle nut.
9. Worn shoe.
Repair surface with sandpaper.
Modify and fitting.
Replace.
Replace.
Replace brake fluid.
Disassemble and clean master cylinder.
Repair surface with sandpaper,
Tighten to specified torque.
Replace.
Excessive brake
lever stroke.
1. Air entered into hydraulic system.
2. Insufficient brake fluid.
3. Improper quality of brake fluid.
4. Worn brake cam lever.
5. Excessively worn shoes and/or drum.
Adjust
Refill
Replace
Replace
Replace
Leakage of
brake fluid.
1. Insufficient tightening of connection joints.
2. Cracked hose.
3. Worn piston seal.
Replace or repair
Replace.
Replace.
Brake drags. 1. Rusty moving parts. replace