Diagnosis Charts; Using The Charts; Using The Tpd For Radial-Lateral Vibration - Pontiac TRANS AM 1977 Service Manual

STEERING, SUSPENSION, WHEELS AND TIRES
3-1 7
DIAGNOSIS CHARTS
Introduction
This section presents a systematic method of diag-
nosing and troubleshooting RADIAL-LATERAL
VIBRATION. The charts you will be using are
different from the ones you have used before.
They aren't ''go-no go" decision trees or tables.
Condition P o s s i b l e C a u s e C o r r e c I ~ o n
A m
Instead the new diagnosis and troubleshooting
charts use pictures plus a few words to help you
solve a problem.
-
SHIFT
TO
NEUTRAL
- -
and symbols have replaced words.
C H E C K C O N N E C T D I S C O N N E C T R E P A l R O R
R E P L A C E
Using t h e Charts
The charts are divided into three se~tions: step,
sequence and result.
STEP SEQUENCE RESULT
-
Always start at the first step and go through the
complete sequence from left to right.
SEQUENCE RESULT
WADDLE
V I B R A i l O l l OR
1 L L
T I R E S
A sequence could be balancing tires and road
testing for vibration. Each sequence ends with
a result and tells vou the next step to a0 to.
.
-
STEP SEQUENCE RESULT
0
c---
1 1 0
Vl0RIlTlON
4 ?
Vl0RIlTlON WADDLE DR
BILANCE
A L L T l R E S
Work throuah each step of the diaanosis and trouble-
/
shooting charts till the'system is repaired.
, , , ,
0
Using the
TPD
for
RADIAL-LATERAL VIBRATION
I f TPD
i s
n o t a v a i l a b l e use SUBSTITUTION METHOD shown a t b a c k o f charts
3897
Fig. 3-1 6 Tire Diagnosis