Pontiac Fiero 1988 Service Manual page 186

FRONT SUSPENSION 3C-1
SECTION 3C
FRONT SUSPENSION
The following notice applies to one or more steps in the assembly procedure of components in this portion of
the manual as indicated at appropriate locations by the terminology "See Notice on page 1 of this Section."
NOTICE:
This fastener is an important attaching part in that it could affect the performance of vital compo-
nents and systems, and/or could result in major repair expense. It must be replaced with one of the same part
number or with an equivalent part if replacement becomes necessary. Do not use a replacement part of lesser
quality or substitute design. Torque values must be used as specified during reassembly to assure proper retention
of this part.
CONTENTS
General Description 3C-1
Front Wheel Bearings 3C-1
Maintenance Intervals
3C-1
On-Car Service............................................. 3C-1
Wheel Hub-and Bearing Assembly 3C-1
Shock Absorbers 3C-2
Wheel Stud Bolts
3C-3
Stabilizer Bar 3C-3
Steering Knuckle 3C-4
GENERAL DESCRIPTION
FRONT S U S P E N S I O N A S S E M B L Y
Figure 1
The front suspension system uses conventional
long and short arm design and coil springs. The control
arms attach to the vehicle with bolts and bushings at
the inner pivot points, and to the steering knuckle/hub
and bearing assembly at the outer pivot points. Lower
ball joints use the "wear indicator" feature.
FRONT W H E E L B E A R I N G S
NOTICE:
Sealed hub and bearing assemblies are
used on all series vehicles.
| y | INSPECT
1. Raise vehicle and support at front lower control
arm.
2. Spin wheel to check for unusual noise or rough-
ness.
Upper Ball Joint 3C-5
Upper Control Arm 3C-6
Lower Ball Joint 3C-7
Front Spring 3C-7
Lower Control Arm 3C-8
L.C.A.
Bushings
3C-9
Specifications
3C-10
Special Tools 3C-10
3. If bearings are noisy, tight, or excessively loose,
see "Sealed Wheel Bearing Diagnosis" in this
section.
MAINTENANCE I N T E R V A L S
Recommended intervals for maintenance of front
suspension items are covered in Section OB of
this manual.
ON-CAR SERVICE
HUB AND BEARING A S S E M B L Y
«--•
Remove or Disconnect
1.
Raise vehicle on a hoist.
2.
Wheel and tire assembly.
3.
Bolt attaching brake line clip to upper control
arm.
4.
Caliper and suspend with a wire.
5.
Rotor.
6.
Three bolts attaching hub and bearing assembly to
steering knuckle.