Chevrolet Sonic Repair Manual: Tire and Wheel Assembly-to-Hub/Axle Flange Match-Mounting
Note:
After remounting a tire and wheel assembly to a hub/axle flange,
remeasure the tire and wheel assembly on-vehicle runout in order to verify that
the amount of runout has been reduced and brought to within tolerances.
- Mark the location of the high spot on the tire and wheel assembly as determined
during the on-vehicle tire and wheel assembly runout measurement.
- Place a reference mark on the wheel stud that is located closest to the
wheel valve stem.
- Always refer to the reference mark on the wheel stud as the 12 o'clock position.
- Refer to the location of the high spot by its clock position on the tire
and wheel assembly, relative to the marked wheel stud.
Remove the tire and wheel assembly from the hub/axle flange. Refer to Tire and
Wheel Removal and Installation.
Rotate the tire and wheel assembly as close to 180 degrees as possible on the
hub/axle flange, so that the wheel valve stem is now approximately at the 6 o'clock
position in relation to the marked wheel stud.
Reinstall the wheel lug nuts to secure the tire and wheel assembly in the new
position. Refer to Tire and Wheel Removal and Installation.
Remeasure the tire and wheel assembly on-vehicle runout. Mark the new location
of the assembly on-vehicle runout high spot on the tire. Refer to Tire and Wheel
Assembly Runout Measurement - On-Vehicle.
If the assembly on-vehicle runout has been reduced and is within tolerance,
no further steps are necessary.
If the assembly runout has NOT been reduced, perform the following steps:
- If the clock location of the high spot remained at or near the original
clock location of the high spot, the hub/axle flange and/or the brake rotor/drum
mounting flange is the major contributor to the assembly on-vehicle runout concern.
- If the clock location of the high spot is now at or near a position 180 degrees
from the original clock location of the high spot, the tire and wheel assembly
is the major contributor to the assembly on-vehicle runout concern.
- If the clock location of the high spot is now in-between the 2 extremes,
then both the tire and wheel assembly and the hub/axle flange are contributing
to the assembly on-vehicle runout concern. Rotate the tire and wheel assembly
as close to an additional 90 degrees as possible in both the clockwise and the
counterclockwise directions to obtain the lowest amount of assembly on-vehicle
runout.
Removal Procedure
Warning: Refer to Brake Dust Warning.
Warning: Refer to Brake Fluid Irritant Warning.
Raise and support the vehicle. Refer to Lifting and Jacking the ...
Other materials:
Front Side Door Window Regulator Replacement
Front Side Door Window Regulator Replacement
Callout
Component Name
Warning: Refer to Glass and Sheet Metal Handling Warning.
Preliminary Procedure
Remove the front side door window from the guide. Do Not remov ...
Steering Column Lower Trim Cover Replacement
Steering Column Lower Trim Cover Replacement
Callout
Component Name
Preliminary Procedure
Remove the instrument panel steering column upper trim cover. Refer to
Steering Column Upper Trim Cover Replacement.
...
Exhaust Manifold Heat Shield Installation
Install the exhaust manifold heat shield (2).
Caution: Refer to Fastener Caution.
Install the 3 exhaust manifold heat shield bolts (1) and the washers and
tighten to 8 Y (71 lb in).
...
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