Brake System - Fluid Level Low

Volvo CE Heavy Equipment Warning BrakeSystem

Model: Volvo L120H Wheel Loader | Code: VOLVO BRK-02

Applicable Systems
EC220 Excavator

Symptoms

Brake fluid reservoir level low; possible external leak in brake hydraulic system.

Possible Causes

  • Brake fluid leak at wheel cylinder/caliper
  • Brake hose deterioration
  • Master cylinder internal leak

Troubleshooting Steps

  1. Step 1: Check brake fluid reservoir level
    Fluid at MAX mark
  2. Step 2: Inspect all brake lines and hoses for leaks
    No visible leaks
  3. Step 3: Check wheel cylinders/calipers for seepage
    No fluid at wheel seals
  4. Step 4: Repair any leaks found
    All brake components dry
  5. Step 5: Top up brake fluid and clear code
    Fluid at MAX, no leaks

How to Reset

Clear via Volvo Tech Tool after brake system repair; may require bleeding.

Common Replacement Parts

  • Brake Fluid (1L) P/N: VOE15890248
  • Brake Hose Kit

Frequently Asked Questions

  • Q: What brake fluid for Volvo L120H?

    Use Volvo approved DOT 4 brake fluid. Never mix DOT 3 and DOT 5 (silicone). Check operator manual for approved specifications.

Source: volvo fault codes reference

Category: Heavy Equipment