Lisle 40030 Brake Spring Bar, 18in S-Cam Service
Lisle 40030 is a spring-service bar for heavy-duty S-cam brake shoe work. Its leverage and reach address retaining-spring removal, rather than caliper piston compression or brake adjustment measurement.
Specifications and included details
- Listed length: 18 inches.
- Heavy-duty tractor/trailer S-cam brake application.
- Black-oxide finish described.
- Molded grip and long angled bar pictured.
Before ordering
Verify the brake construction and proper spring engagement from the tool/vehicle instructions. Springs retain energy; use the approved service method and protective equipment. No automatic brake adjustment or all-drum-brake compatibility is established.
Product questions and answers
Is this for every drum brake?
The named application is heavy-duty S-cam tractor/trailer brakes. Other designs require separate fit verification.
Does it retract a disc brake piston?
No. It is a brake spring bar.
What does 18 inches specify?
The listed tool length, not a force rating or guaranteed reach in every brake layout.
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