Chevrolet Sonic Repair Manual: Hub/Axle Flange and Wheel Stud Runout Inspection
Special Tools
GE-8001 Dial Indicator Set , or equivalent
- Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
- Mark the location of the wheels to the wheel studs and mark the specific
vehicle position on each tire and wheel – LF, LR, RF, RR.
- Remove the tire and wheel assemblies from the vehicle. Refer to Tire and
Wheel Removal and Installation.
- Remove the brake rotors and/or brake drums from the vehicle. Clean the mounting
surfaces of the brake rotors, the brake drums, if equipped, and the hub/axle
flanges of any loose debris, rust, and corrosion.
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- Position the GE-8001 Dial Indicator Set , or equivalent, on the machined
surface of the wheel hub/axle flange outside of the wheel studs.
- Rotate the hub one complete revolution in order to find the low spot.
- Set the GE-8001 Dial Indicator Set , or equivalent, to zero at the
low spot.
- Rotate the hub one more complete revolution and measure the total amount
of wheel hub/axle flange runout.
Specification – Guideline
Wheel hub/axle flange runout tolerance guideline: 0.132 mm (0.005 in)
- If the runout of the wheel hub/axle flange IS within specification and the
vehicle is equipped with wheel studs, proceed to step 13.
- If the runout of the wheel hub/axle flange IS within specification and the
vehicle is equipped with wheel bolts, proceed to step 19.
- If the runout of the wheel hub/axle flange is marginal, the wheel hub may
or may not be the source of the disturbance.
- If the runout of the wheel hub/axle flange is excessive, replace the wheel
hub/axle flange. Measure the runout of the new wheel hub/axle flange.
- Position the GE-8001 Dial Indicator Set , or equivalent, in order
to contact the wheel mounting studs.
Measure the stud runout as close to the flange as possible.
- Turn the hub one complete revolution to register on each of the wheel studs.
- Zero the GE-8001 Dial Indicator Set , or equivalent, on the lowest
stud.
- Rotate the hub one more complete revolution and measure the total amount
of wheel stud – stud circle – runout.
Specification – Guideline
Wheel stud runout tolerance guideline: 0.254 mm (0.010 in)
- If the runout of the wheel studs – stud circle – is marginal, the wheel
studs may or may not be contributing to the disturbance.
- If the runout of the wheel studs – stud circle – is excessive, replace the
wheel studs as necessary. Measure the runout of the new wheel studs.
- Inspect the threads and the tapered seat portion on each of the wheel bolts
for damage.
- Wheel bolts exibiting damaged threads and/or damaged tapered seats require
replacement.
- Place the threaded portion of each wheel bolt along a straight edge to inspect
for straightness.
- Wheel bolts that are not straight require replacement.
Special Tools
CH-50559 Wheel Hub/Bearing Remover Kit
For equivalent regional tools, refer to Special Tools.
Removal Procedure
Raise and support the vehicle. Refer to Lifting and Jac ...
Special Tools
EN–45059 Angle Meter
For equivalent regional tools, refer to Special Tools.
Removal Procedure
Raise and suitably support the vehicle. Refer to Lifting and Jacking
...
Other materials:
Where Are the Airbags?
The driver frontal airbag is in the center of the steering wheel.
The front outboard passenger frontal airbag is in the passenger side instrument
panel.
The driver knee airbag, if equipped, is below the steering column. The front
outboard passenger knee airbag, if equipped, is below the gl ...
Rear License Plate Lamp Bulb Replacement (Sedan)
Rear License Plate Lamp Bulb Replacement
Callout
Component Name
Preliminary Procedure
Remove the rear license plate lamp housing. Refer to Rear License Plate
Lamp Replacement.
1
License Plate La ...
Rear Wheelhouse Liner Replacement (Hatchback - Left)
Rear Wheelhouse Liner Replacement
Callout
Component Name
Preliminary Procedure
Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and
Installation.
1
Rear Wheelhouse Panel Liner ...
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