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Engine Overheating? Coolant, Radiator – HAM Rockhampton
Engines can overheat for a variety of reasons. This means engine heat is not being shed via the radiator. Low coolant or faulty water pump can cause it.
Other common causes of a radiator overheating including cooling fan failure, broken water pump, a broken fan belt, a stuck thermostat, coolant leak or a clogged radiator.
Cars overheat most often in very hot weather. It’s a rare event with modern vehicles, but even a well-tuned vehicle can overheat. If you find yourself in stop-and-go traffic or climbing a steep grade on an extremely hot day, and your dashboard temperature indicator starts to rise or an engine fault indicator light comes on.
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Here’s how to help your vehicle regain its cool:
1.) At the first sign of overheating, shut off your air conditioner and open your windows
Doing so decreases the load on the engine and helps it cool off.
2.) If you continue to overheat, turn on the heater and blower:
Doing so transfers the heat from the engine to the passenger compartment of the vehicle. (This does wonders for your overheated engine but very little for you!).
3.) If you’re stopped in traffic and the temperature gauge is rising, shift into Neutral or Park and rev the engine a little:
Doing so makes the water pump and the fan speed up, which draws more liquid and air through the radiator. The increased air and liquid circulation helps cool things off.
4.) Try not to ride your brakes:
In stop-and-go traffic, crawl along slowly, on little more than an idle, rather than moving up and then braking repeatedly. Brake drag increases the load on the engine and makes it heat up. If traffic is crawling, move up only when the gap between you and the vehicle in front of you gets too large.
5.) If you think that your vehicle is about to boil over, drive to the left-hand side of the road, open the bonnet, and sit there until things cool off.
Remember, don’t open the radiator cap under these circumstances, and if your engine has boiled over, don’t add water until the engine is quite cool again.
If you must add coolant/water to the radiator:
Add the water slowly while the engine is running, ensure its in park and the hand brake on. Although hot weather is the most common cause of overheating, many other factors can cause the same problem. If your vehicle overheats in traffic in normal weather, one of the following may be the culprit: The water and coolant level in the radiator is low. There’s a leak in the cooling system.
Common causes of a radiator overheating including cooling fan failure, broken water pump, a broken fan belt, a stuck thermostat, coolant leak or a clogged radiator or blocked hoses.
Radiator leaks can be the result of a leaky radiator cap, an internal leak originating in the head gasket or engine block, or an external leak typically from a worn-out water pump or radiator hose.
Whatever is causing the coolant leak or overheating radiator, our automotive technicians will be able to diagnose the problem. After diagnosing why your radiator leaks, we'll offer you different repair and replacement options and when we fix your radiator, our services will be backed by our triple guarantee: fixed right, priced right and right on time.
How does the car's cooling system work?.
Engine energy generated by your car due to burning fuel is converted to mechanical energy to drive your vehicle; the balance converts to heat. Some of that heat blows out of the exhaust pipe, but the remainder heats the engine itself.
Your car's cooling system works by moving coolant through the engine, picking up heat, and then passing that heated coolant through the radiator, where the heat is then transferred off to the air passing through the car's radiator.
The cooling system must have enough reserve cooling capacity to cool a car under extreme operating conditions, such as when towing a caravan or driving in scorching heat, as well as maintaining the correct engine temperature in extreme cold, such as on a visit to the snowfields or during cold weather events.
The warning signs of an unwell cooling system..
- Temperature gauge or warning light out of range.
- Puddles of greenish to brown liquid on the garage floor.
- Engine making a pinging sound on acceleration.
- Any sign of steam from under the bonnet you should shut down the engine.
Cooling system components.
Car radiators have the critical task of keeping the engine cool. Radiator repair and maintenance are essential to the health of your engine and your vehicle. The most common radiator repairs involve simple component replacement and radiator coolant exchange. Additionally, most vehicle manufacturers recommend replacing coolant antifreeze solutions at regular 24 month intervals.
At Highway Auto Care Rockhampton, we offer more than just a “drain-and-fill.” Our expert technicians will assess the state of your radiator and service your cooling system fully. Highway Auto Care radiator fluid exchange service includes:
- Comprehensive system inspection
- Machine-powered radiator flush
- Addition of flush chemicals, sealant and lubricant
- Pressure check and tests for leaks
- 12,000-km/12-month limited warranty*
There are no surprises for you at Highway Auto Care Rockhampton – our trade-certified technicians will get your approval before starting any work or radiator services on your car. Highway Auto Care watches out for your vehicle and your budget – we want to keep your vehicle running like new long after it leaves the lot.
*See a Highway Auto technician for complete conditions and terms of our warranties.
Radiator Repair Service Rockhampton
When you drive, the components within your engine create some serious friction – and that friction generates heat. Engines run well when warmed up. Many engine cooling parts maintain their temperature; the radiator, cooling fans, water pump, thermostat, coolant, pressure cap, overflow tank reservoir, and other miscellaneous Parts.
We Replace and Repair:
- Antifreeze coolant
- Cooling sensor
- Fan belts
- Heater core
- Heater hoses
- Radiator cap
- Radiator hoses
- Radiator fan/fan clutch
- Serpentine belt
- Belt Pulley Tensioners
- Temperature sensor
- Water pump
Examples of vehicles we service
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for any of the above services or for any automotive repairs, Mechanical, Air-conditioning, Auto electrical, Cruise control, Caravan services, Bosch or Delkor Batteries.
You will speak with Cathy or Steve who will talk you through any automotive service matters; they are well-informed and patient professionals. 07 4926 1303
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Page summary: Antifreeze, Coolant hoses, Coolant, Coolant flush, Drive belt, Engine fan, Fan belt, Heat, Heater core, Heater hose, Overflow tank, Pressure cap, Radiator cap, Radiator fan, Radiator hoses, Radiator, Serpentine belt, Temperature sensor, Thermostat, Water jacket, Water pump. My car engine is overheating. My engine warning light is on.