Cooling System & Overheating Repairs
Overheating can turn a short drive into a breakdown. RWC Automotive Repairs provides Cooling System & Overheating Repairs for cars, utes, vans, 4WDs, SUVs and light commercial vehicles, including petrol, diesel and hybrid vehicles, in Sunshine North and nearby suburbs.
We diagnose leaks, weak cooling fans, faulty thermostats, worn hoses, and failing water pumps, then restore safe operating temperature with quality parts and careful testing.
Radiator Replacement
Water Pump Replacement
Thermostat Replacement
Cooling Fan Replacement
Hose Replacement
Overheating Diagnosis
Accurate Checks, Stable Temperatures
Why Choose Us for Cooling System & Overheating Repairs
Cooling problems are often misdiagnosed because symptoms can come and go. RWC Automotive Repairs focuses on finding the real cause first, using structured testing like cooling-system pressure checks, temperature verification, and component operation checks. That means you get an answer you can trust, not a trail of “maybe” parts.
You’ll get plain-English explanations and a clear quote before any work starts. If extra issues are discovered during inspection, we pause, contact you, explain what’s needed and why, then proceed only after approval. On request, old parts can be shown at pickup so you can see what was replaced.
Parts are selected to suit your vehicle and budget—genuine or quality aftermarket, and where appropriate, new or second-hand options may be discussed. Cooling systems also need correct coolant type and proper bleeding to avoid air locks, so we finish with careful refill procedures and final checks to confirm stable operating temperature.
Drivers from Sunshine North, Sunshine West, Albion, Braybrook, Footscray, West Footscray, Taylors Lakes, Keilor and Deer Park choose us for a practical, organised process—book ahead, drop the vehicle off, and get updated once testing is complete.

Happy Customers
Read Reviews...

I brought my ute in after it started running hot whenever I hit traffic near Sunshine North. I suspected a big problem, but RWC Automotive Repairs talked me through the overheating diagnosis in plain language and showed me where coolant was escaping. After the coolant leak repair and a careful pressure test, the temperature stayed steady on my drive home. The quote was explained before anything started, which made the whole process feel controlled.

My car overheated on the freeway and I was worried I’d cooked the engine. I booked in and left the vehicle for checks. The team confirmed the radiator was blocked and recommended a radiator replacement instead of trying to patch it. They explained the options, gave an upfront price, and only proceeded after I approved. After the repair, the gauge sits right where it should, even with the aircon on.

I kept topping up coolant but couldn’t see any puddles. RWC Automotive Repairs found a slow leak and pointed out the worn hose that was weeping under pressure. They handled the hose replacement quickly and refilled the system properly, including bleeding out air so it wouldn’t overheat again. I appreciated being updated before work began and that the car was test-checked before pickup.

My SUV would overheat randomly, then cool down again, which made it hard to trust. The workshop checked the system thoroughly and confirmed the thermostat wasn’t opening consistently. Once I approved the quote, they completed the thermostat replacement and rechecked temperatures at idle and on a road test. The difference was immediate—no more spikes, and the heater works better too.

The temperature warning kept coming on during school runs, especially at low speeds. RWC Automotive Repairs tested the fan operation and found it wasn’t kicking in when it should. They explained the electrical checks they did and then carried out a cooling fan replacement after I agreed to the cost. Since then, it stays cool in traffic, and I feel confident driving again.

I run a small tradie van and downtime hurts. When it started overheating, I needed a clear answer fast. RWC Automotive Repairs booked me in, checked the cooling system, and confirmed the water pump was failing. After the water pump replacement, they showed me the old part on request and ran final checks to make sure it was circulating correctly. The van has been running reliably since.

I noticed a sweet smell and a slight rise on the gauge but didn’t want to risk it. The team did a cooling system pressure test and found the source without replacing unnecessary parts. They repaired the leak, refilled with the correct coolant mix, and explained what to watch for next. The process felt honest and straightforward, and I wasn’t pushed into extra work.

My European hatchback started overheating after longer drives, and another place couldn’t pin it down. At RWC Automotive Repairs, they took the time to do proper overheating repairs, including checking hose condition, coolant level stability, and cooling fan cycles. I got a clear quote, approved it, and the final result was a stable temperature and peace of mind that it was properly tested.
Cooling System Quick Answers
What causes an engine to overheat?
Most overheating comes from low coolant, leaks, a stuck thermostat, blocked radiator, or a fan that isn’t switching on. At RWC Automotive Repairs, we start with an overheating diagnosis using pressure testing and temperature checks, then confirm the exact fault before any parts are replaced—so you don’t pay for guesswork.
Is it safe to keep driving?
If the temperature rises, stop as soon as it’s safe and switch the engine off. Continuing to drive can warp components and turn a small issue into a major repair. For urgent cooling system repairs in Sunshine North, RWC Automotive Repairs can inspect, quote clearly, and fix the cause before you’re back on the road.
How do you find coolant leaks?
Coolant leaks can hide under covers, behind the radiator, or at hose joins. We use a cooling-system pressure test and visual checks to pinpoint the source, then carry out targeted coolant leak repairs with the right seals, clamps, or replacement parts—followed by a recheck to confirm the leak is gone.
Do you replace radiators and hoses?
Yes. If the radiator is blocked, cracked, or corroded, a radiator replacement can restore proper heat control. We also handle hose replacement when hoses swell, split, or soften with age. After fitting, we refill with the correct coolant mix, bleed trapped air, and test-drive to verify stable temperatures.
When is thermostat replacement needed?
A thermostat that sticks closed can cause rapid overheating, while one stuck open may lead to slow warm-up and poor heater performance. If testing shows it isn’t opening at the right temperature, thermostat replacement is the reliable fix. RWC Automotive Repairs confirms the fault first and quotes upfront before starting.
What if the cooling fan fails?
If the fan or control circuit fails, temperatures can spike in traffic or at idle. We check the fan motor, relays, fuses, sensors, and command signals, then complete a cooling fan replacement or related repair only after you approve the quote. Final checks confirm the fan cycles correctly.
Can overheating damage my engine?
Yes. Persistent overheating can damage seals and gaskets, and it may leave you stranded without warning. The best protection is early overheating repairs—especially if you notice steam, a sweet coolant smell, or the gauge creeping up. RWC Automotive Repairs focuses on finding the cause and verifying the fix with testing.
How long will repairs usually take?
Time depends on what fails and how accessible the parts are, so we inspect first and then give an estimated completion window. Many jobs can be completed the same day, but some require extra cooling-system testing or parts supply. For overheating diagnosis in Sunshine North, booking ahead helps us plan your visit.
Do you use genuine coolant parts?
RWC Automotive Repairs uses genuine parts and quality aftermarket options, chosen based on availability and your budget. Where suitable, some items may be fitted using new or second-hand parts, and we’ll explain why. For water pump replacement or similar work, we match the correct specification and confirm results with temperature checks.
Do repairs come with a warranty?
Yes. Cooling work is covered by a standard repair warranty of 6 months or 10,000 km, whichever comes first. If second-hand parts are used, warranty is up to 3 months, and electrical parts are also up to 3 months. We’ll outline coverage on your quote so expectations are clear.

Phone Number
03 93661666
Business Location
192 McIntyre Rd, Sunshine North, VIC, 3020, Australia.
E-Mail ID
[email protected]Request A Cooling Booking
If your temperature gauge keeps climbing, don’t wait for a breakdown. Send your details through the form and tell us what you’re noticing—steam, coolant smell, leaks, or warning lights. RWC Automotive Repairs will get back to arrange a Cooling System & Overheating Repairs booking in Sunshine North, explain the next steps, and provide a clear quote before any work begins.
