Pontiac TRANS AM 1977 Service Manual page 249

3-20 1977 PONTIAC SERVICE MANUAL
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STEP SEQUENCE RESULT
-WHEEL RUNOUT
------
.035 INCH
SUBTRACT THE WHEEL
(0.88 mm)
RUNOUT READING I N
STEP 9 FROM THE RADIAL
READING I N STEP 4
.035 l NCH
(0.88 mm)
"X's" MORE
THAN
90° APART
"X's" LESS
THAN
90° APART
WITH
''X's"
RECHECK PER
TOGETHER
STEP 4
REBALANCE
I
MORE THAL
-1
.035 INCH
1
(0.88 mm)
LESS THAN
.0351NCH/0.88 mm,
--
----
I F LATERAL READING FROM STEP 5 IS
MORE THAN .030 1NCHl0.76 mm FOR ANY
--
-
SINGLE TlRE
TlRE
I F LATERAL READING FROM STEP 5
IS LESS T H A h .030 INCHl0.76 mm FOR
-
-
-
-
- -
-
-
-
- -
--
- -
EACH TlRE
MAXIMUM
ACCEPTABLE
TOTAL LATERAL
DETERMINE I F
SPINDLE MOVEMENT ADD
CAR IS
FRONT LEFT FRONT
+
RIGHT FRONT
TOTAL FRONT
.......
F U L L SIZE
INTERMEDIATE
SMALL
.........
Fig. 3-1 9 Tire Diagnosis