Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET1982CHEVETTE L4-111 1.8L DSLREPAIR AND DIAGNOSISBRAKES AND TRACTION CONTROLDISC BRAKE SYSTEMBRAKE CALIPERDESCRIPTION AND OPERATION
1982 Chevrolet Chevette L4-111 1.8L DSL
Brake Caliper: Description and Operation
1982 Chevrolet Chevette L4-111 1.8L DSLSECTION Description and Operation
Fig. 1 Single piston disc brake assembly cross sectional view:
Fig. 2 Delco-Moraine single piston disc brake with single mounting bolt:
This single piston sliding caliper assembly, Figs. 1 and 2, incorporates a one piece housing with the inboard side of the housing bored for the piston. A seal within the housing bore provides a hydraulic seal between the piston and housing wall.
A spring steel scraper (wear sensor) is incorporated on each inboard shoe. When shoe lining has worn to within .030 inch of the shoe, the sensor scrapes the rotor and emits an audible high frequency sound indicating that the linings should be replaced.
The caliper assembly slides on a mounting sleeve which is secured by a mounting bolt. Upon brake application fluid pressure against the piston forces the inboard shoe against the inboard side of the rotor. This action causes the caliper to slide until the outboard shoe comes in contact with the rotor.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.