Do I need to drain the system to change a radiator?

Do I need to drain the system to change a radiator?

If you are changing a couple of valves on a few radiators, it is probably best to drain the whole heating system down. However, if you are only updating one radiator you can change the radiator valve without fully draining the system and there are actually benefits of doing so.

What do I need to buy when replacing a radiator?


  1. Your new radiator (goes without saying really)
  2. New radiator brackets.
  3. 2 adjustable spanners.
  4. A washing up bowl.
  5. A radiator bleed key.
  6. Pipe/Cable/Stud detector.
  7. A drill – Hammer drill for masonry walls, or a drill driver for internal walls.
  8. A masonry drill bit.

How much does it cost to supply and fit a radiator?

For a simple like-for-like radiator installation, you can expect a professional tradesperson to charge under £500 for the whole job. With the radiator cost included, you will be looking at paying around £200-£300 in the South of the UK, and around £150 in the North of the UK.

Can you overfill a radiator?

Coolant expands as it heats and contracts when it cools. The extra space prevents damage to your engine and hoses. In worst case scenarios, overfilling your antifreeze tank can lead to electrical damage if overflow comes into contact with engine wiring.

When to replace your Radiator?

A car’s radiator should be replaced when it begins to leak. This is usually seen as a puddle of greenish fluid under the front of the car.

Can You patch a radiator?

Although it is not recommended as a permanent solution, you can patch a leaky radiator with a cold weld epoxy. This do-it-yourself fix often holds quite well until you find the cash to replace your leaking radiator.

How much does a new radiator cost?

The cost of a new radiator. The radiator itself costs $90 to $400, while the average hourly installation rate costs $90 to $120, he says. Updegraff says the average radiator replacement, including installation, costs about $500.

Does your car need radiator repair?

A car’s radiator has the important task of keeping the engine cool. Radiator repair and maintenance is essential to the health of your engine and your vehicle. The most common radiator repairs involve simple part replacement and radiator fluid exchange .