Questions tagged [cooling-system]

System which removes excess heat from liquid cooled internal combustion engine. It also helps maintain the engine temperature at a consistent level. The cooling system encompasses the radiator, water pump, thermostat, hoses, heater core, overflow reservoir, and anti-freeze (or coolant).

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3
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1answer
35 views

2001 Saab radiator end tank has split open (6" SPLIT)

I had an end tank split open on a trip last fall. I had moderate temperatures going up long hills and replaced it. 10 months later, the new radiator did almost the same thing in cooler weather during ...
3
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1answer
75 views

3.4 2000 chevy venture ls is pushin water up in the radatior

in my 2000 chevy venture 3.4 LS my water in my radiator pushes up instead of goes down and builds pressure on the over flow. What causes that? Would a head gasket or intake cause that?
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2answers
55k views

Temperature gauge needle is on Hot, but engine is not overheating

car is a 1996 Honda Civic EK hatchback. B16A2 DOHC VTEC engine. Currently has 204,000 kilometres (127,000 miles) When the car is on a stop and idling, the temp gauge needle goes up steadily, and when ...
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2answers
3k views

My head gasket was fixed but I still have a leakage

I have a leakage, the cooling fluid reservoir is empty and some has leaked from the radiator. I already fixed my head gasket that was leaking. Now the mechanic is telling me I need a new water pump, ...
5
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0answers
42 views

2004 Saturn Ion Quick Connect from OEM

I've purchased a new radiator for 2004 Saturn ION and it came with quick connect fittings. My oil cooler lines require thread connect. Is there a way to switch them to quick connect, or is there a ...
6
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1answer
2k views

Holden Captiva - Lots of oil pouring out the radiator expansion tank

On my 2012 Holden Captiva 2.2 diesel car the radiator expansion tank has filled with engine oil and now the oil is pouring out of the expansion tank. I am at a loss to why/how this has happened. Any ...
6
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1answer
2k views

Excessive Coolant Expansion with No Overheating

I've noticed that my coolant expands quite a bit when I drive around, so much that I'm loosing coolant through the expansion bottle. When I park after a lengthy drive, I'll usually hear the coolant ...
5
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2answers
39k views

Bubbles coming out of the radiator. Head gasket?

I was bleeding air from my Honda Civic yesterday. Everything was going well until the coolant was still bubbling after 40 minutes of bleeding. I did everything correctly. Turned the heater to max, I ...
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2answers
1k views

2005 Chrysler Sebring coolant bubbling and leaking

I have a 2005 Chrysler Sebring and when I go down the street the temperature gauge starts going up. It doesn't ever go past the half way mark on the temperature gauge but my coolant is still bubbling ...
7
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2answers
2k views

1996 Chevy K1500 Silverado ZZ4 5.7L - Rough Idle, Plug Damage, Overheating, EGR

I'm having some serious problems with my truck. It started out as rough idling and then it got worse. I have replaced all 4 O2 sensors, temperature sensor, knock sensor, distributor wires, ...
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3answers
544 views

Should I get 2nd Opinion on head gasket issue?

My daughter's car had a check engine light on and was overheating. We had it towed to a mechanic and he did the block test with the vapors. The mechanic said the blue stuff turned yellow immediately ...
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2answers
442 views

Renault Clio 2002 high idling on startup

I have a Renault Clio 2002 and when started it idles at 3000rpm I have been told it could be a issues with the coolant temp sensor as it tested at -30C.
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1answer
413 views

Just bought a car, engine running hot, found pure water for coolant [duplicate]

Just bought a 01 Galant 128k. Engine seems to get hot quite a bit, approaching the red zone but has yet to overheat. Found pure water in the coolant reservoir. Will draining the water and replacing ...
4
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1answer
511 views

less coolant everyday in the radiator reserve tank

Can anyone help me for my 2006 Honda Civic? Radiator and the radiator have been replaced. No leak in the cylinder head and still the reserve tank keeps reducing in liquid volume daily. Does anyone ...
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3answers
53 views

Redundent radiator

A 2000 town car limo was build just in tolerance for the 4.6 engine capability. Even at brand new it would overheat if you push it to hard. It is older and less efficient and it over heat in general ...
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1answer
621 views

2007 Kia Spectra engine temperature fluctuating

what would cause my kia's engine temperature to start fluctuating. it never gets hot but it will rise 2 bars on the temp gage and when it rises to the second bar over where it normally reads my ac ...
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1answer
119 views

My coolant has oil in it could this be the coil?

I have oil in my coolant. I don't have coolant in the oil. I got told it will want flushing out and a new coil. I have a Vauxhall Astra 2006 1.6 engine
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0answers
100 views

coolant fans on 93 cadillac seville are not working

i tested the fans , they work ok, 50 amp fuse is ok and tested for power to it. ok, digital display is showing temperature as it rises, hit 220 and the fans do not come on....is there a relay ...
4
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1answer
77 views

Radiator fluid leaking from reservoir

I had the head gasket done because of overheating 2 years ago, now it seems the problem is back. When the car starts to overheat I will put in coolant but the next day if I do a long distance drive I ...
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1answer
65 views

Troubleshooting Cooling System Problem

I Own a Mahindra 4*4 Pickup truck , Its running at high temperature. I have changed the following: Radiator Temperature sensor Water pump Hoses pipe Coolant Please could you help me resolve the ...
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1answer
88 views

Engine reversing water to the over flow container

I have a 1999 Pontiac Montana Van. The radiator fluid is backing up to the over flow container. So,what can be my problem? I put new thermostat in and flushed the radiator. Are there any ...
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2answers
555 views

Subaru 2002 Impreza 2.5 TS - Head Gasket

My Subaru started overheating; it had run out of coolant completely. Once I refilled the coolant, the car ran about a 1.2k mile trip just fine without any overheating. Recently, the car started ...
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3answers
341 views

My car is overheating but its not waterpump or thermostat related by-passed heater core

I have a 91 Firebird Formula. I have the electric cooling fan by-passed to run constantly. The car does not overheat idling, but does while I'm driving. The problem is not coming from the water pump ...
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2answers
26k views

Oil Cooled vs Water Cooled

These both are cooling mechanisms. One uses oil to cool whereas other uses some kind of water-based coolant. What are advantages and disadvantages of both in both technical and ownership point of view?...
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1answer
157 views

Why no fluid from bleeder valve

My car is overheating. I have new water pump, thermostat, radiator, radiator cap and timing belt. When the bleeder valve is opened nothing comes out of it. Does anyone have any idea what the issue ...
5
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1answer
91 views

2003 Kia Spectra - New radiator cap for a new radiator?

I sprang a leak in my radiator about a month ago... and I simply did not have time to replace the radiator myself, so I took it to a mechanic. The mechanic replaced the radiator but he reused my old ...
6
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1answer
386 views

My 2004 Audi a4 is making a gurgling noise from my engine

My 2004 Audi a4 is making a gurgling noise from my engine. I am also having to constantly put antifreeze in it. Is this related? I know I'll have to take her to be looked at but can anyone tell me ...
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0answers
26 views

Coolant loss out of overflow of an 1980 c-10

I have an 1980s Chevy 305 engine. Was out for early morning breakfast and noticed coolant was coming out of overflow tank. The motor had not gotten warm yet. What could be causing it to overflow???
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4answers
124 views

Overheating in E-46, 3.23i

My BMW E-46, 3.23i temperature is always going to the red zone. My water pump is fine, the thermostat is okies, but the hose on top is hot and swollen. The lower hose, however, is cold and fine. I ...
4
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1answer
63 views

Indica petrole 2006,coolent leakege

Sir, I have bought a 2006 petrole indica xeta,and changed the normal radiator water with valvoline super koolextra. After 50 kms driving, I have kept the vehicle in my car porch . After 5 days When I ...
3
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1answer
4k views

Only one radiator fan running

Today while adding coolant to my car, I noticed that once the car reached running temperature only the fan on the passenger side had turned on. I checked the connection and that was fine, the fuses ...
3
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1answer
10k views

Coolant pressure issue

I am in need of some assistance. I am having a coolant pressure on my 1.8 16v clio. (Renault), coolant, cooling-system, overheating (car maintenance) In that when left to idle and engine gets up to ...
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2answers
1k views

My 2004 PT Cruiser is overheating

I have tried everything got a new radiator, thermostat, put blocked seal permanent head gasket fix. So I started my car and let it run for 15 minutes, after that I see no antifreeze in the reservoir.....
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0answers
150 views

2005 Subaru Legacy Outback 3LR g H6

Tried burping radiator with no success. Water boils out but temp gauge reads normal??? 2005 Subaru Outback 3.0 H6.
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1answer
134 views

cooling system vw

i have a golf 4 gti engine 2.0 for the year 2002,the problem is when i pour water in the container it does not hold water,instead it leaks i can't see where the water is leaking,all the pipes ...
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3answers
7k views

50/50 Coolant Dilution after distilled water flush?

I have a new (to me) car that it appears hasn't had a coolant fluid change ever, now with 120k miles. It is an 04 Corolla. I am planning on flushing the system with distilled water a few times. But ...
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1answer
50 views

2006 Chevy impla 3.5

The coolant is hot and bubbling. The car is not overheating. I changed the water pump, the thermo sensor, thermostat and intake gaskets. Not sure if it sealed completely. Wondering, is it the head ...
4
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1answer
1k views

Proper operating temp for a 1983 Mercedes 380SL?

My 1983 Mercedes 380SL seems to be running hotter than I like. It settles down at right at 100 C by the instrument panel temp gauge after running at highway speed for 10 minutes or so. When I first ...
2
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1answer
667 views

Overheating '98 Subaru Legacy Outback EJ 25

I bought this car about a month ago with an overheating problem it couldn't travel for 3 miles without overheating after replacing the thermostat and gasket. The previous owners cut away the ...
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6answers
132k views

Is it Safe to Drive With Low Engine Coolant?

I have a 2001 Chevy Malibu and have replaced the engine coolant in it twice in the last six months after the low coolant warning light came on, and the light has recently come on again. The climate ...
4
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1answer
511 views

Thermocouple vs Thermostat

Why don't modern engines use a thermocouple (electronic temperature sensor) instead of a (wax element) thermostat?
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1answer
1k views

Temperature gauge between half and 3 quarters?

I have a '98 Oldsmobile Intrigue and after about 20 minutes of driving the temperature gauge is between one half and 3 quarters. I was wondering if is this a problem? The coolant is at the right level,...
12
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5answers
2k views

Should Multiple Coolant Hose Leaks in a Short Time Worry Me?

Right after fixing another problem with one of my cars ( 98 Mazda 626 GF 2L ), I revved the engine and all of a sudden heard the tell tale hiss of a coolant leak: As you can see, this hose just ...
4
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0answers
372 views

2005 Pontiac Grand Prix overheating

I have recently bought a 2005 Grand Prix V6 non supercharged. It overheats at idle and in park. I have had my head gasket and head resurfaced at Pepboys and replaced my radiator with a larger 1 inch ...
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1answer
436 views

Coolant expansion tank issue

My coolant tank is filled up to the correct level before driving off but I've taken a half an hour drive and it is very low and warning light comes on. Once stopped it cools down and the level rises. ...
5
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1answer
1k views

AC Cooling stops at high speed

My car ac works very fine in normal conditions. But when I drive it for awhile longer, and often at high speed, it stops cooling. I can still hear the fan sound loud and clear but air flow decreases a ...
6
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2answers
4k 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 ...
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1answer
51 views

1994 Dodge Dakota V8, Antifreeze leaking from water pump

Every time I put ether antifreeze or water in my radiator it immediately comes out from beneath the water pump? What could cause that to happen?
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3answers
1k views

Why does my overheating car cool off on declines?

Thanks for your never-ending support! The quick and precise answers and suggestions that you all provide is priceless in its worth. After the timing belt change ( I skipped the water pump, it looked ...
7
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1answer
2k views

How to test the function of a water pump?

Is it possible to test a water pump for proper function (ability to move a certain volume of coolant) without disconnecting it from the engine? If so, how would one do that?

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