Trouble symptom and probable cause
Checking and remedy
1. Hard to steering , steering wheel doesn't return well
a. Insufficient lubrication of steering linkage mechanism
b. Improper alignment of front wheel
c. Improper toe in front of the wheel
d. Improper camber and caster of king pin
e. Worn thrust bearing
f. Insufficient pressure of tire
2. Abnormal worn tire
a. Improper position fix of front wheel
b. Improper pressure of front tire
a. Apply lubrication on king pin and ball stud
b. Adjust
c. Adjust
d. Check the linear for wear, and check knuckle and tie
rod for deviation, replace if necessary
e. Replace
f. Inflate properly
a. Adjust, and replace if necessary
b. Adjust, and inflate
5. Front axle trouble shooting
82
OWNER
爷
S MANUAL for
HFC1061,HFC1063,HFC1083
series trucks
Trouble symptom and probable cause
Checking and remedy
1. Abnormal noise from rear axle
a. Worn or damaged pinion bearing
b. Worn or damaged side bearing of differential
c. Loosening pinion bearing
d. Loosening differential bearing
e. Worn pinion and ring gear
f. Worn thrust washer
g. Worn differential spider
h. Worn pinion and ring gear
i. Worn or damaged side gear and planetary gear
j. Loosening tightening bolts of ring gear
k. Improper contact between ring gear and pinion
l. Worn pinion spline
m. Worn rear half shaft spline
n. Loosening hub bearing
o. Worn hub bearing
p. Looseing tightening bolts of differential case
q. Insufficient oil
r. Bad oil
a. Replace bearing
b. Replace bearing
c. Adjust preload
d. Adjust preload
e. Adjust tooth space
f. Replace
g. Replace
h. Replace
i. Replace
j. Screw
k. Replace or adjust
l. Replace
m. Replace
n. Replace
o. Adjust bearing preload
p. Screw
q. Fill up
r. Replace
83
6. Rear axle trouble shooting
