What is heater hose replacement?
Leaking heater hoses are replaced to keep coolant in and your cabin heater working.
Heater hoses carry hot coolant to the heater core. Leaks lower coolant levels and can cause overheating or a sweet smell in the cabin.
Signs you need it
- Sweet smell of coolant
- Low coolant
- Heater blows cold
- Visible leak at the firewall
How it works
- Drain coolant
- Replace hoses
- Refill and bleed air
- Check heater output
You can choose a workshop visit or have a professional come to your home, work or depot.
How much does it cost?
The exact price depends on your vehicle and the job. On MYLES, each professional shows a fixed price, a starting price, a range, or sends a quote — so you can compare like for like before you book.
- Hose price
- Access at the firewall
- Coolant
Tips
- Fix coolant smells promptly
- Bleed air properly so the heater works
Why it matters
Important for engine cooling and demisting.