Chevrolet Sonic Repair Manual: Brake Drum Diameter Measurement
- Remove brake drum. Refer to Brake Drum Replacement
- Clean the brake shoe lining contact surface of the brake drum (2) with denatured alcohol or an equivalent approved brake cleaner.
- Using a brake drum micrometer (1) calibrated in thousandths-of-an-inch,
measure and record the largest diameter of the brake drum at four or more points,
equally spaced around the drum.
Ensure the measurements are only taken within the brake shoe lining contact area. The micrometer must be positioned the same distance from the outside edge of the drum for each measurement.
- Compare the largest diameter measurement recorded to the brake drum component specifications. Refer to Drum Brake Component Specifications.
- If the largest diameter measurement of the brake drum is less than the maximum allowable inside diameter after refinishing specification; the drum may be refinished, depending upon surface and wear conditions.
- If the largest diameter measurement of the brake drum is equal to or greater than the maximum allowable diameter after refinishing specification; the drum may not be refinished.
- If the largest diameter measurement of the brake drum is equal to or greater than the discard diameter specification; the drum requires replacement.
- Install brake drum. Refer to Brake Drum Replacement.
Warning:
Refer to Brake Dust Warning.
Drum Brakes
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Brake Drum Refinishing
Special Tools
CH-41013 Rotor Resurfacing Kit
CH-42450-A Wheel Hub Resurfacing Kit
For equivalent regional tools, refer to Special Tools.
Warning: Refer to Brake Dust Warning.
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Other materials:
Trunk (Sedan)
Warning
Exhaust gases can enter the vehicle if it is driven with the liftgate, hatch/trunk
open, or with any objects that pass through the seal between the body and the hatch/trunk
or liftgate. Engine exhaust contains carbon monoxide (CO) which cannot be seen or
smelled. It can cause unconsci ...
Body Rear Seat Back Trim Panel Replacement (with AMA/AM7)
Body Rear Seat Back Trim Panel Replacement
Callout
Component Name
Preliminary Procedure
Remove the body side trim panel. Refer to Body Side Trim Panel Replacement.
1
Body Rear Seat Back Trim Pane ...
Oil Pan Removal
Remove the 16 oil pan bolts (1).
Caution: Pry the oil pan carefully in order to prevent damage
to the transaxle case or the oil pan sealing surfaces.
Place a suitable prying tool to the area shown (1) and carefully pry the
oil pan loose.
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