Chevrolet Sonic Repair Manual: Tire and Wheel Balancing (Road Force Variation (RFV))
- ALL wheel/tire assemblies must have a RFV within spec before being mounted on vehicle.
- RFV is unrelated to tire balance.
- RFV is identifying the stiff portion of the tire and determining if it is within spec.
- If RFV is too high, it will result in a vibration condition.
- Do not attempt to measure RFV on tires that have temporary flat spots. If necessary, drive the vehicle to relieve the flat spots.
- Prior to measuring for RFV, the tires must be inflated to the specification on the label.
- Passenger Cars (including Crossover Vehicles) = 18 lbs.
- Truck Tires: (P) - metric = 24 lbs.
(LT) - metric = 35 lbs.
- It is recommended that RFV measurements are made prior to installation of balance weights. Once adequate road force levels have been achieved, move on to balance the assembly.
Important:
If a wheel/tire assembly is not within the RFV specification after match mounting, the tire must be returned to the tire manufacturer. DO NOT install tire/wheel assembly on a vehicle if it exceeds the RFV specification.
Tire and Wheel Balancing (Collet Cone Selection)
Important: Never use the hub cap bore to center the wheel onto
the balancer. The pilot bore (on the hub side of the wheel) is machined
to be concentric to very tight non - standard tole ...
Tire and Wheel Balancing (Wheel Pilot Bore Greasing)
Beginning with MY 2011 vehicle, pilot bore grease should be applied.
To enable this, grease must be applied to the pilot bore to prevent the
wheel from seizing onto the hub.
Refer to Adhesi ...
Other materials:
Radio with Touchscreen
The infotainment system can play music or movies by connecting an auxiliary device
to the USB port, if equipped.
USB Support
USB Supported Devices
USB Flash Drives
Portable USB Hard Drives
2G-5G iPod nano®
1G-3G iPod touch®
120GB/160GB iPod classic®
3G/3GS/4/4S iPhone®
Not a ...
Radio with Touchscreen
The infotainment system can play music or movies connected by the auxiliary device.
Play will begin when the system has finished reading the information on the device.
Playing Music
To play the music from the device, if the device is already connected:
1. Press .
2. Press audio.
3. Press Sou ...
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 ...
0.006