Chevrolet CAMARO 1979 Service Manual page 345

WHEÊLS AND:.TIRES 38,9
RAOIAL TIRE LEAD DIAGNOSIS CHART
I N F L A T E T I R E S T O R E C O I M M E N D E D
P R E S S U R E
R O A D T E S I V E H I C L E I N
B O T H D I A E C T I O N S
O N L E V Ê L U N C R O W N E D F O A D
S W I T C H F R O N T T I B E S S I D E T O
S I D Ê A N D S O A D T Ë S T A G A I N
L E A D S I N S A ] \ ' I E
O I B E C T I O N
L E A D C O R R E C T E D
LEADS IN
OPPOSITE
D I B E C T I O N
P U I T I R E S B A C I ( I N
O R I G I N A L P O S I T I O N
A N D C H E C K A L I G N I , , ] E N T .
I F O K , R E F E R 1 0
S T E E R I N G S E C T I O N O F
S E R V I C E I 4 A N U A L .
I N S T A L L A K N O W N G O O D l I R Ê
O N O N E F R O N T S I O E .
L E A V E ' T I B E S A S I S .
I F R O U G H N E S S R E S U L T S .
R E P L A C E F R O N T T I F E S .
L E A D R E I \ I A I N S
I N S T A L L A K N O W N G O O D T I R E t N
P L A C E O F O T H E E F R O N T T I R E ,
L E A O C O R R E C T E D
R E P L A C É T I B E
L E A D R E I \ I A I N S
C H E C K T E S T T I B E S O N K N O W N
G O O D C A R .
C H E C I ( A L I G N ] \ ' I É N T .
A D J U S T C R O S S C A S ] ' E R S O
T H A T L Ê A D S I D E I S 1 ' N , ] O R E
P O S I T I V E T H A N O ' T H E A S I O E -
L!Aq_-qQ8 B!çt!q
R E P L A C E T I R E
F i g . 3 E - l O - D i â g n o s i s - 8 a d i â l T i r e L e a d
is â little lârger diameter than the other, the tire will tend
up roll to one side- This will develop a side force which can
produce car lead.
The procedure on Fig. 3E-6 should be used to make
sure that front alignment is not mistaken for tire leâd.
t. Pafi of the l€ad diagnosis procedure is dif€r€nr from
the proper tire rotation pattem cùrrently in the owner and
service manuals, The manuâls recomm€nd front to rear
rotation only; if a medium to high mileage tire is moved to
the other side of the câr, be sure to check that ride roughness
hâs not developed.
2. Reâr tires will not cause lead.