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