VolvoEngine Parts

3025093 Slack Adjuster — Volvo FH12 FH16

This is a slack adjuster, a critical component in the braking system that automatically maintains the correct clearance between the brake lining and the drum or disc. It ensures consistent braking performance by compensating for wear, preventing the brake pedal from traveling too far. A worn or seized slack adjuster will result in either excessively loose brakes with reduced stopping power or brakes that drag, causing heat and premature wear.

Slack Adjuster – Part No 3025093 – Volvo Spare Part
Part Specifications
BrandVolvo
CategoryEngine Parts
ConditionAftermarket — OEM Specification
DispatchSame-day from Mumbai (before 3 PM IST)
GST InvoiceAvailable — all orders
Export DocsCommercial invoice, packing list, COO

Compatible Models

Always verify with serial number before ordering.

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Installation & Application Notes

Cross-reference part number with serial number before ordering to confirm fitment. Keep original parts until new ones are confirmed correct. Record part numbers replaced for future reference.

Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.

Part TypeSlack Adjuster
MaterialHardened steel
ApplicationAir brake system
Service LifeInspect annually, replace as needed
CompatibilityVolvo FH12, FH16, FH 420, FH 460, FH 500
ConditionNew — OEM specification aftermarket

Failure Symptoms

The initial symptom of a faulty slack adjuster is often a spongy or excessively long brake pedal feel, indicating insufficient braking force. If left unaddressed, the brakes may fail to engage effectively, posing a significant safety risk during operation. In severe cases, a seized adjuster can cause continuous friction, leading to brake component damage and potential tire fires.

Installation Tip

Before installing, ensure the brake chamber pushrod is at the correct free length according to the service manual. Avoid forcing the adjuster onto the S-cam splines; proper alignment is crucial to prevent damage.

Service Note

When replacing a slack adjuster, always inspect the S-cam, brake shoes, and brake drum/disc for wear or damage.