Is radiator replacement a big job? Well, it isn't the easiest part of vehicle mechanics, with the average radiator replacement job taking between 2 hours and up to 5 hours. The time to disconnect and remove the existing radiator can be complicated, and installing the radiator replacement can be complicated as well.
It's not that difficult a job, as far as jobs go. The only thing I would watch for with a radiator shop charging 40% less than others would be whether or not they are replacing your radiator or repairing it on site and re-installing it.
Radiators are not usually difficult to replace. You'll end up with some skinned knuckles and curse a lot, but it's worth it in the end.
While replacing your radiator might seem like a relatively simple procedure, it can be messy and time consuming.
In the majority of cases, moving a radiator is a straightforward job that most plumbers can complete in a short space of time.
How long does it take to replace a radiator? The process varies based on the vehicle's design, but for most DIYers, you can estimate around three to five hours. That takes into account a range of experience levels.
If your car is overheating, it's time for a radiator replacement. Radiator repair can be expensive, but it's nothing compared to the cost of engine damage. So if you're unsure, it's always better to err on the side of caution and get a new radiator.
Refrain From Driving
A malfunctioning radiator can cause extensive damage to your engine. A serious leak can even drain your radiator completely.
Labor is dependent on the time it takes to replace the radiator. For some simply designed cars, it could be around one hour. For most, though, two to three hours is normal, and labour of $250 to $400 can be expected.
While replacing the radiator, consider replacing other cooling system components that might be nearing the end of their lifespan. This could include: Thermostat: Regulates coolant flow to the engine. Radiator hoses: Can become brittle and crack over time.
On average, they have a lifespan of 8 to 10 years. However, there are some factors that can reduce a radiator's working life. For example, if you do a lot of driving near the coast, extra salt in the air due to the presence of salt water can cause your radiator to corrode more quickly.
If your vehicle's radiator fails, not enough coolant will reach your engine, causing it to overheat. Driving with a broken or cracked radiator—and an overheated engine—is very dangerous. We recommend you contact your local Rad Air as soon as you suspect a problem with your car's cooling system.
You can absolutely replace a radiator yourself. It's a challenge, but with the right tools and some basic knowledge, an untrained layperson can do it without a mechanic. Cars can be complicated machines, and your car's engine bay might have hundreds of precisely fitted components.
If you're an experienced plumber, installing a radiator is an easy task that can be achieved in a day's work. To the average DIYer, it poses a challenge. The pipework hidden beneath your floorboards will need to be adjusted and this can lead to leaks and even boiler failure if carried out incorrectly.
Replacing old radiators with new ones can bring several benefits: Energy Savings: Newer models are designed to be more energy-efficient, helping to lower energy costs. Improved Heating Performance: Modern radiators provide better and more reliable heat distribution.
Fitting a new radiator like for like is easy to do, as long as the radiators you are replacing have identical pipe centres. It shouldn't take long to do, and you might not need a plumber. However, if you fit a new radiator that isn't the same size, you'll need to call a plumber.
If you need to replace your radiator, you can expect to spend between $700 and $1,000. You can save on labor costs (about $300) by replacing the radiator yourself if you're experienced with auto DIY jobs. Keep in mind this is a big undertaking that will likely take all day.
How long does a car radiator repair take? Once again, with plenty of Fixter data to work with, we found the average radiator replacement job can take anywhere between 2.4 and 4.5 hours. They're not always the easiest part to get to, to release, replace, and reconnect, and any complications will add to the total time.
How long can I drive my car without a working radiator? A car with a broken radiator might drive for only a few minutes before its engine overheats. How long it lasts will depend on how much you work the engine, how fast you drive, how hot the day is and how little coolant is actually inside your cooling system.
The average cost to replace a radiator in 2025 is around £200 per radiator. This estimate is based on a standard radiator size and includes average fitting costs. As it only takes between 1 and 2 hours to replace most radiators, the labour cost to fit a radiator will be between £50 and £100.
The car radiator leak repair cost will be less if you do it yourself, and you will only have to pay $30 to $100 for the new coolant. On the other hand, hiring a mechanic will cost you approximately $1000 to $2000, depending on the type of repair needed, the type of radiator you have, and the materials required.
The Lifespan of a Radiator: A Brief Overview
The average lifespan of a radiator typically ranges between 8 to 10 years, depending on several factors, such as usage patterns, maintenance practices, and the quality of the radiator itself.
The most likely result of not replacing a defective radiator in good time is that the leak will worsen to the point where serious engine over heating is inevitable.
Replacing a new radiator isn't too difficult a task but do be sure to follow our instructions to avoid any unnecessary mess as well as any impact to the system. Check that the items in your pack match those illustrated on the instruction manual enclosed.