GMC 1982 Light Duty Truck Service Manual page 354

Gmc 1982 series 10-35 light duty truck
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3C-12
FRONT SUSPENSION
C O N S I D E R T H E F O L L O W I N G F A C T O R S W H E N D I A G N O S I N G B E A R I N G C O N D I T I O N .
1. G E N E R A L C O N D I T I O N OF A L L P A R T S D U R I N G D I S A S S E M B L Y A N D IN S P E C T IO N .
2. C L A S S I F Y T H E F A I L U R E W I T H T H E A I D OF T H E I L L U S T R A T I O N S .
3. D E T E R M I N E T H E C A U S E .
4. M A K E A L L R E P A I R S F O L L O W I N G R E C O M M E N D E D P R O C E D U R E S .
G O O D B E A R IN G
G A L L IN G
M E T A L S M E A R S O N R O L L E R E N D S D U E
T O O V E R H E A T , L U B R I C A N T F A I L U R E O R
O V E R L O A D .
R E P L A C E B E A R I N G - C H E C K S E A L S A N D
C H E C K F O R P R O P E R L U B R I C A T I O N .
M IS A L IG N M E N T
O U T E R
R A C E M I S A L I G N M E N T D U E T O
F O R E I G N O B J E C T .
C L E A N R E L A T E D P A R T S A N D R E P L A C E
B E A R I N G .
M A K E
S U R E
P R O P E R L Y S E A T E D .
FRONT WHEEL BEARING DIAGNOSIS
C A G E
D A M A G E
H A N D L I N G O R T O O L U S A G E .
R E P L A C E B E A R I N G .
A B R A S IV E S TE P W E A R
P A T T E R N O N R O L L E R E N D S C A U S E D BY
F I N E A B R A S I V E S .
C L E A N
A L L
C H E C K
S E A L S
R E P L A C E
IF
N O I S Y .
IN D E N T A T IO N S
S U R F A C E D E P R E S S IO N S O N R A C E A N D
R O L L E R S C A U S E D B Y H A R D P A R T I C L E S
OF F O R E I G N M A T E R I A L .
R A C E S
A R E
C L E A N
A L L
C H E C K S E A L S A N D R E P L A C E B E A R I N G S
IF R O U G H O R N O I S Y .
Fig. 3C-12--Bearing Diagnosis Illustration A
B E N T C A G E
D U E
T O
IM P R O P E R
C A G E
H A N D L I N G O R T O O L U S A G E .
R E P L A C E B E A R I N G .
B E A R I N G S U R F A C E S A P P E A R G R A Y OR
G R A Y I S H
R E L A T E D E T C H I N G A W A Y O F M A T E R I A L
P A R T S
A N D
H O U S I N G S ,
U S U A L L Y A T R O L L E R S P A C IN G .
A N D
B E A R I N G S
A N D
L E A K I N G ,
R O U G H
O R
R E P L A C E
A N D C H E C K F O R P R O P E R L U B R I C A T I O N .
F L A K I N G
R E S U L T I N G F R O M F A T I G U E .
R E P L A C E
P A R T S
A N D
H O U S I N G S ,
R E L A T E D P A R T S .
©
&
)
B E N T C A G E
D A M A G E
D U E
T O
IM P R O P E R
E T C H IN G
B L A C K
IN
C O L O R
W IT H
B E A R I N G S
-
C H E C K
S E A L S
F A T IG U E S P A L L IN G
O F
S U R F A C E
M E T A L
B E A R I N G
-
C L E A N
A L L

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