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:
Backup Lamp Bulb Replacement (Sedan)
Backup Lamp Bulb Replacement
Callout
Component Name
Preliminary Procedure
Remove the tail lamp assembly. Refer to Tail Lamp Replacement.
1
Back Up Lamp Bulb Socket
Procedure
Rotate the back u ...
Drive Range - Fourth Gear (Gen 2)
As vehicle speed increases, the transmission control module (TCM) processes input
signals from the automatic transmission input and output speed sensors, the throttle
position sensor and other vehicle sensors to determine the precise moment to command
OFF the normally-low 35R pressure control ...
Main Shaft Disassemble (Gen 1)
Table 1:
1st Gear Removal
Table 2:
1st Gear Blocking Rings Removal
Table 3:
1st and 2nd Gear Synchronizer Hub Retaining Ring
Removal
Table 4:
1st and 2nd Gear Synchronizer Hub and 2nd Gear
Removal
Table 5:
2nd Gear Bearing Remova ...
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