A radiator is a heat transfer device that allows air to pass freely over fines that conduct heat from liquid circulated within an engine to cool it.

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2answers
4k views

Lots of oil in radiator, but no coolant in oil and oil is not low

Theres oil in the radiator and the overflow tank of my 2002 GMC Envoy. The oil is fine, and has no water in it. The SUV gets regular oil changes, and the oil presure is fine. Water temperature is ...
5
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2answers
25 views

Radiator Water Issue

The water in my radiator keeps depleting I've checked for leaks but I can't seem to find any. Every morning when I check the radiator I have to fill it up for about a litre. Yesterday I didn't use ...
5
votes
1answer
872 views

Is it necessary to run the engine after adding radiator coolant or only when draining?

I recently did a timing belt/water pump change on my own. When I changed the water pump i drained the coolant, and according to my mechanic, I blew my radiator by not running the engine with the cap ...
3
votes
1answer
144 views

76 Toyota Hiace radiator drain

I have been trying to locate the drain for the radiator in my Toyota Hiace, but I can't seem to find it. Can anyoe give me a detailed description of where it is?
4
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0answers
80 views

Radiator has a leak and the upper hose is clogged, car does not overheat. White smoke from upper hose

My car is a 2003 Buick Century and it has been leaking for the past few months (puddles of coolant under the car). Now the car begins to have white smoke coming from the engine and it has a sweet ...
5
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2answers
43 views

Radiator leak 92 subaru, repairs possible or replace?

Lower corner of radiator sprung a leak, was curious if self repairs were possible or recommended though my research would indicate it needs to be replaced. If I replace the radiator my self, since it ...
2
votes
1answer
835 views

oily sludge in coolant reservoir

I have Chev Cruze 2010. There was a heatup and I noticed thick creamy sludge overflowing from the coolant reservoir lid. Mechanic diagnosed issue with engine oil coolant and repaired it. Later he also ...
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1answer
31 views

I have a 1996 Mercedes e320 I constantly have to put coolant in the reservoir coolant levels always low [duplicate]

My Mercedes e320 has 186,000 miles on it. it is a 1996, I just purchased the vehicle so I do not know the history. every 15 or 20 miles or so, engine coolant level light comes on and I have to put ...
3
votes
1answer
40 views

Overflow reservoir bubbles after driving not overheating

My 95 Ford Windstar just had the radiator replaced. After driving there is bubbling in the overflow res. , engine is not overheating and water seems cool to touch in reservoir. I can smell antifreeze ...
4
votes
2answers
1k views

Second burst ancillary hose on Z20LET engine

This morning was the second time the same ancillary coolant hose burst in my car. It's a 2005 model Opel/Vauxhall Astra turbo coupe (engine is Z20LET). Prior to this, I have had many problems with ...
5
votes
4answers
13k views

Air trapped inside radiator after adding coolant

It has now happened twice to me that after adding coolant to the radiator, when I turn the car on the RPM's will bounce up and down and the engine is reving (between 1k and 1.5k RPM's). Normal idle is ...
10
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1answer
117 views

Cleaning mud from motorcycle radiator

Can anyone suggest a non damaging way to clean my muddy radiator? Preferably without removing it from the bike. Thanks! Update, after cleaning it with sprayed hot water and small brushes: ...
2
votes
1answer
81 views

Temperature of coolant before and after radiator [closed]

I am doing an analysis project on radiators so I need to know the input temperature. At what average temperature does the coolant enter radiator (not thermostat opening temperature) during normal ...
4
votes
1answer
48 views

What is commonly used nanofluid coolant for automobile radiator

What is commonly used nanofluid coolant for automobile radiator ? And any specific reason for that coolant ?
8
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4answers
30k views

My car has the wrong coolant in it. Now what?

Hello I realized today after beating my head about my car's overheating problems that I have the wrong coolant in it. About a year ago, my car ran dry. At the bottom of the expansion tank was an ...
4
votes
1answer
52 views

what is the normal operating temperature indication on the guage?

My radiator got a leakage so I made a direct connection to the fan from the battery i.e. irrespective of the engine temperature the fan would start as soon as you turn on the ignition switch on. It ...
9
votes
2answers
60 views

Losing coolant fast after just fixing radiator

I have just got my coolant tank and radiator replaced after a leak in the radiator and a cracked coolant tank. I filled the coolant tank last month and now it is nearly empty. I am just wondering if ...
4
votes
2answers
70 views

Replace Yamaha FZ6 radiator for two smaller ones

I bought the engine of a Yamaha FZ6. I want to use it to run a competition single seater car we are builiding in the university. The engine didn't bring the radiator with it. I would like to ...
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votes
1answer
49 views

Strange noises from AC/Dash board

So I'm hearing a creepy/whooshing sound coming from the dash board and the sound disappears when I turn off the AC. Time to have the AC system replaced? Recently had coolant replaced. Anyone ...
10
votes
4answers
349 views

Can you run an engine without a radiator?

I've heard of people starting engines in a build without a Radiator hooked up, to see if it fires. If you have an old engine and want to see if it will run: Can it be started without a radiator? ...
2
votes
2answers
44 views

Mysterious honda civic 2002 overheating some time

Okay, so lets start here. First my car started overheating. We changed the thermostat but it keeps on over heating. Let me explain my problem. I am driving on highways my heaters work perfectly ...
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8answers
2k views

Will having a radiator full of engine oil do damage to the motor?

I've got one question; I was looking over this car that I was going to buy and there was engine oil in the radiator. I asked the guys why it was in there and he said he didn't have enough coolant to ...
6
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2answers
22k views

Coolant/antifreeze leaking out of engine block (See photo/video)

I'm not sure exactly what is going on with my vehicle ('98 Wrangler, 4.0L), but it's pretty obvious something is wrong. I think I might have had some minor coolant leaking after the past few times ...
2
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0answers
49 views

2000 Dodge Ram 8 cyl Doesn't want to run, Have to keep foot on the gas [closed]

Today, went to leave and my truck would not start. It is not the Battery. When checking all my fluids noticed I needed water. Pour water in radiator and it all came out under the motor area.
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7answers
9k views

Can radiator cool down a car too much?

Recently they replaced my stock radiator with aftermarket one (at dealership, so I hope they knew what they were doing), and since then I feel that a car is not warming up enough. Even if I warm it ...
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2answers
59 views

97 Chevy lumina serpentine belt came off the bottom pulley

This morning my power steering stopped working and my heater and when I opened the hood there was coolant everywhere, looked like it came out of the radiator cap. The serpentine belt was off the ...
4
votes
4answers
910 views

How can I fix my cracked radiator temporary for a trip? Is there any way to do it?

My car is a Chevrolet Lumina 2001. About 2 months ago I changed the radiator of my car because it was leaking, the guy that changed the radiator got the radiator in a junk yard place for cheap price. ...
6
votes
1answer
84 views

What is the average radiator capacity on 6 cylinder engines?

Yesterday I drained the radiator on a 99 Monte Carlo. Owner's manual states that it should take 11.6 quarts (2.85 gallons). I removed the petcock, flushed the system by running a hose into the top ...
3
votes
3answers
20k views

Coolant level is below “low” in the expansion tank, dealership service says this is normal?

I took my car to the dealership for an oil change and inspection, which includes the fluids being checked and topped off. After the service, I took a look at the fluids in the car. There is a tank ...
2
votes
1answer
54 views

sludge in radiator after shaving head 2005 Hyyndai Elantra manual transmission

Recently had head shaved and replaced (about ten days ago) and am now seeing a creamy cocoa colored sludge in radiator but no water in oil. What could be the cause?
5
votes
2answers
86 views

Why is antifreeze mixture not as stated?

To keep things short I poured 200ml of concentrated genuine ford super plus premium antifreeze (Ethylene glycol based) within a bowl. Then added 200ml of water to dilute the solution to a 50/50 ...
4
votes
1answer
227 views

1993 toyota 4Runner - White Smoke from under hood and neon yellow liquid leaking from somewhere

Hello and thank you for taking the time to read my post. I have a 1993 Toyota 4runner with about 170k miles on it. I recently got the brake fluid drained and replaced, a new battery, and the ...
3
votes
1answer
80 views

BMW radiator problems

My radiator is spewing water when it is shut down. No hoses are leaking. Comes out of the bottom of the BMW and there isn't any over heating that the gauge shows.Can I still drive it if I fill the ...
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vote
5answers
2k views

radiator grill fins bent

I have a over heating problem. I have replaced the water pump, thermostat, upper radiator hose and the coolant temperature sensor. They were all in need of replacement, but my car still over heats ...
2
votes
2answers
7k views

Bent radiator fins — how many is too many?

Hi I thought I fixed some previous overheating problems but I only helped them. My car was running fine when it was 95F or so over the weekend but now it's 110F(yes, hell, I know) outside and my cars ...
12
votes
4answers
150k views

Can I drive a car with only water and no coolant if it has a leak?

Recently, I was informed that a car I share ('02 Nissan Sentra) was close to overheating. I was told it gets close to the upper limit very quickly upon running the car. When I inspected the vehicle, I ...
2
votes
1answer
130 views

White smoke is coming from my engine. how do i find out what it is?

I own a 92 chevy lumina, when i drive or let it run for a little bit it will smoke from underneath the upper radiator hose. it is not the actual radiator hose as i changed it thinking it was that. ...
1
vote
1answer
57 views

Empty Radiator with no leaks

I have a 1998 Ford Ranger 4 cycl. and 8 spark plugs which all the water was gone in the radiator with no leaks to be found...What would cause water to totally evaporate from radiator without any leaks ...
3
votes
0answers
30 views

Honda Accord 1998 [closed]

When I took radiator cap off, antifreeze came up like a volcano. The car wasn't on, and hasnt been on a day. I can't find out what it is, help?
3
votes
1answer
157 views

Honda Accord 1997 - Steam coming from small part of radiator, leaking coolant

After working fine all day, this afternoon I noticed my engine had heated up so hot the needle was above the red. I pulled over and there was steam coming from a small space on the radiator and it ...
4
votes
2answers
95 views

Is it necessary to maintain antifreeze to water ratio?

I had my radiator cleaned and flushed yesterday. The mechanic who did the work advised that pure distilled water is better than using mixture of water and coolant. I checked the manual and it just ...
2
votes
1answer
104 views

Milky Oil in the radiator - Mazda 323

My vehicle has oil in the radiator and I have checked the head gasket matter fact I replaced it with a new one and there still is oil In the radiator may I ask what could be another reason for oil to ...
2
votes
1answer
332 views

STEAM coming from under the hood?

This is my car ->(1990 Honda Accord EX Sedan 4 door 5 speed manual) Ok this is the first time I have ever seen a leak from my car. I bought it in Primo condition & I only use it for errands ...
3
votes
1answer
154 views

How to install an electric motor-driven radiator cooling fan instead of the belt-driven one?

I want to know about how to install an electric motor-driven radiator cooling fan instead of the belt-driven one. Vehicle: 1998 Mitsubishi-fuso fm617 Engine: Mitsubishi 6d16 diesel engine (radiator ...
6
votes
3answers
1k views

Infamous WRX/XT overheating problem

I need some help figuring out what's wrong with my 2007 Forester XT Manual. Background: The headgasket popped in November of last year. I had it fixed by an RMI certified workshop. They skimmed the ...
8
votes
5answers
20k views

Is it all right to clean a car radiator with vinegar and chlorine?

I got the idea from this article, where it suggests cleaning your washing machine using chlorine bleach and then vinegar. I have successfully used this method to clean my household washing machine ...
2
votes
3answers
248 views

2001 Chevy Astro- oil in the radiator

I have a 2001 Chevy Astro Van. Yesterday the radiator starting spewing a thick, black substance out the side of it. It looks like old oil. I had the oil changed 1 1/2 weeks ago. The oil on the ...
0
votes
2answers
229 views

98 honda civic radiator problem

I have a problem with my 98 1.6 sohc honda civic . There seems to be grey sludge that looks just like cement in the water and radiator but the car is not over heating and seems to be running perfect . ...
3
votes
1answer
5k views

Flushing built up Rust and Mineral Deposits in Cooling System

The previous owner ran tap water in the cooling system for few years, and we have very heavy, mineral rich water locally. When I bought the car about six months ago, I drained the water, and put a ...
3
votes
1answer
252 views

95 Corolla overheats, probable coolant leak or maybe thermostat, need more advice.

Vehicle is a '95 Toyota Corolla. Was driving yesterday for about 5 minutes and glanced at the temperature gauge which I noticed was running pretty high (weather has been around 90 degrees f ...