Questions tagged [cooling]

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22 views

200 magic number

2005 Pontiac Bonneville 3.8 SE. Temperature steady at 200 degrees constantly. Never goes higher even in stalled traffic. I have actually let the car idle for 1/2 hour and electric fan has NEVER came ...
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1answer
40 views

What is the chemical difference between various brands of coolant additives (SCAs) for the cooling system?

In the manual of my vehicle, CAT recommends using their SCA over others. Is this just marketing or do different brands create different SCAs that affect longevity/chemical interaction/etc?
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1answer
43 views

Trouble shooting cooling system

Is this the water pump, or what? I have a 2008 Lincoln MKX and have been experiencing a leak from one of the hoses from the coolant tank or radiator for several months according to one mechanic. It ...
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1answer
39 views

Excessive a/c water underneath for Ford Edge

Today we noticed a large puddle of water under our car after taking it on an errand. More than usual. About beach ball size and continued to drip for awhile when parked. None of the reservoirs are ...
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2answers
38 views

Bubbles in coolant reservoir

After driving for about 30 min then stopping I hear bubbling coming from coolant reservoir. Also if I drive for longer period and come to stop lights at traffic intersections temperature gauge starts ...
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0answers
12 views

Mini r50 cooling issue

My daughter has a 2004 r50 mini, which keeps on overheating. I have changed the rad, cooling fan, pump, temp sensor, pressure cap, & 2 x thermostats. I bleed the system through all 3 bleed screws, ...
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1answer
27 views

Fan runs when car is off?

I have an 02 mini one and the fan stays on when switching off. Is this normal ? And where do I top up the water please ? Thank you in advance x
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1answer
21 views

2007 nissan pathfinder

-I've went down the list,basically a process of elimination,ive changed water pump,thermosatat,flushed system, changed hoses,camshaft senser,flushed heater core,changed heater core sending unit,and it ...
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2answers
99 views

1990 Honda Accord Overheating

First let me state I've been an Auto Tech since about 1967, so this is kicking my butt. I've replaced the water pump, radiator, lower hose, thermostat, fan sensor, coolant sender, engine temperature ...
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1answer
25 views

2008 equinox doesn't have heat on idle and very little driving

getting very little heat while driving and idle if i turn up fan inside car goes cold, temp gauge goes to half and stops, also getting a noise like a loose belt but once the car is warm noise stops?
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0answers
19 views

Car keeps running hot

I replaced the thermostat on my 2008 Pontiac vibe and I I’ve bled the cooling system 5 or 6 times and it’s still running hot it’s not the water pump it’s not leaking no water in the oil wat else could ...
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0answers
25 views

why does the fan come on when I turn my key on?

I have a 1998 Vulcan 800A. When I bought it the fan kicked on after I rode it for a while. It quit working so I replaced the fan switch and sensor. Now it comes on as soon as I turn the key on. Does ...
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1answer
419 views

2014 Chevy Spark issues with excessive coolant usage

Why must I add coolant every few days to my 2014 Chevy Spark, It seems excessive, but I haven't noticed any fluid on the ground?(😟)
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1answer
25 views

Coolant leaked out of vehicle

I have no coolant in my vehicle. It's getting cold tonight-20 degrees. Can I leave the vehicle parked, then just add coolant when the weather warms up again? The coolant all leaked out, I don't ...
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0answers
89 views

Overheating 2008 Subaru Outback

I have a 2008 Subaru Outback it started overheating and we change the thermostat and it continued to overheat even after burping it so we changed the radiator and all of the hoses got a new radiator ...
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2answers
188 views

2004 Chrysler Sebring Coolant Overflow

So my dad and I replaced the thermostat, outlet housing, and radiator within the past month (all went bad at once) So ever since replacing the system, we have been noticing that as we put coolant in ...
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1answer
63 views

excessive water (i think, but its dark out) leak and burnt coolant smell

I work approx 30 minutes away from home. when i got home tonight, i noticed a hissing sound coming from under the hood and a thin smoke coming out of the front grill. the vehicle is a 2001 ford f-150 ...
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2answers
86 views

Bubbling in the reservoir

So I have a 2004 chrysler sebring 2.7l. It is bubbling or boiling in the reservoir. I have replaced the thermostat, the rad, the reservoir itself... all brand new and it still does this. There is no ...
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1answer
457 views

Cold A/C in front, but none in back

I've got a Ford e350 (1996, 5.8L). Our front vent A/C works well, but the back blows what seems to just be vent. Not heat, but about the same temp as outside. History: We just recharged the A/C (...
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1answer
58 views

Engine temperature rising

Most recently I have noticed my temperature gauge rising and im hearing bubbling in the overflow jug. I opened the hood and took off the radiator cap and all the fluid was it drained from the radiator ...
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1answer
4k views

2001 Pontiac Grand Am cooling fans not kicking on

I just bought a 2001 Pontiac Grand Am SE for 1,500 and registered in 3 days ago. My luck it’s been one thing after another. (I guess you really do get what you pay for) Pulled into a parking lot &...
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3answers
611 views

No thermostat, but still running hot

Have a 2001 Mitsubishi eclipse. The thermostat was taken out but the car is still running hot. I've checked the coolant level and it's full. Don't know what else to do.
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1answer
156 views

Is it bad to immediately crank the air conditioning all the way up when you start your car on a really hot day?

There have been times in the summer when my car is in my driveway all day in 100-degree weather, and combined with the sun, it must be 140+ degrees in my car. Can it damage or shorten the life of my ...
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1answer
402 views

Does low alternator load create more heat?

For example, it seems switching from some high wattage headlights to much lower wattage LED's frees up more of the alternator's power capacity. But, does this mean the alternator (or other electrical ...
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2answers
191 views

My bike Dominar 400

Why is my coolant level low again and again. I drive for only 30 kms; after that the coolant is below minimum level. I top it up to the maximum level.
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0answers
67 views

Chevy sonic 2013

Does this car have any fuse for the cooling fan? My car had overheated and the temperature light has come on and my AC blows out hot and the fan does not turn on.
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3answers
753 views

How is oil in an engine cooled?

After reading some articles regarding 'running low on oil', I understood the logic that having more (appropriate amount) of oil is better than running low as oil has time to cool down before it has to ...
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2answers
4k views

Is there any advantage to aftermarket hoods with heat extractors, or are the extractors purely aesthetic?

Many aftermarket hoods, especially for sports cars, make use of large cowls, ram air vents, and most commonly heat extractors on the sides of the hood. I'm a techie and we're always spending insane ...
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1answer
2k views

Radiator cap pressure and how it impacts stress on cooling-system and engine?

OK, if radiator-cap pressure is say 20-pounds as opposed to 18-pounds, won't the overall impact on the engine and cooling-system be more heat/pressure stress??? Sure, the boiling-point will be raised ...
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1answer
407 views

Cooling fan shuts off after getting up to temp

Working on an overheating issue on my 2008 Mustang GT. Car starts normally after sitting all night and fan starts up when I click on the AC. Let the car run (or drive it in traffic) and as soon as ...
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7answers
48k views

Is it okay to add straight anti freeze to an engine?

I was reading online and found a few people saying you should never add concentrated anti-freeze to a cooling system. you should only dilute what you already have in there with water and only add anti-...
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1answer
95 views

Draining cooling system & Distilled Water

I saw a video on Youtube where someone changed the cooling liquid of their car's cooling system by first draining the system and, then, by putting distilled water in it. Once the distilled water is in ...
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1answer
139 views

Number of times you should refill and drain your cooling system to get pure water?

I understand before refilling your system after a coolant flush you should refill and drain the system several times with water. This is fine however last time I refilled and drained over three ...
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2answers
2k views

2004 Chevrolet Optra cooling fan

I have a 2004 Chevrolet Optra and my cooling fan doesn't start. I plugged the fan directly on the battery and my fan worked. The fuses and relays in the fuse-box are fine. My cable seem fine. My ...
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1answer
3k views

Cracks in coolant expansion bottle

Two years ago I had bad cracks in my coolant expansion bottle, so bad that coolant would leak though. I replaced the expansion bottle and after only two years there are already cracks showing. Not as ...
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1answer
78 views

Is there such thing as flushing coolant to often?

If I were to go with a coolant flush every 15 to 20 thousand miles is this considered a little too excessive? It’s a ford fiesta mk 6 the service interval by the manufacturer is recommended at 100 ...
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2answers
294 views

Troubleshooting engine damage after radiator hose failure

My mechanic replaced my radiator hoses. 2 weeks later, one came loose and the engine overheated and died. It was put back on and 2 weeks after that, the hose began to leak. I brought it back and ...
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1answer
507 views

what in the thermostat opens when it reaches a certain temperature?

what actually opens when it reaches the certain temperature, is it the spring or is it the copper, or does the heat of the engine make the spring softer allowing it to come up and let coolant start ...
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2answers
578 views

No heat in car blowers

I have a Nissan Qashqai 1.5 dci. My car is not overheating and blowers are blowing cool. The lower radiator hose and the bottom of the radiator are cold. I changed the thermostat and drained the ...
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1answer
713 views

Where are the fan relays for the 2007 v8 Monte Carlo

I'm looking for the fan relays for a 2007 Monte Carlo V8. My fans are not turning on. So I need to check the relays to make sure that they are receiving power.
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3answers
4k views

1992 Honda Accord overheating issues

Before I dive into a water pump replacement - how would I test it? I have replaced the thermostat, hoses and radiator - all of which needed it. Now the car will go to red (hot) intermittently, and ...
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3answers
1k views

Should I keep the engine running for a minute or two after reaching my destination to cool down?

My father bought a new car and in the owners manual it advises to keep the engine running for a little while after stopping, the car in question is a 2016 Skoda Rapid with no turbo on it. I know in ...
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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
6k views

How to remove rust from the cooling system

Hi I have a 2000 Honda Civic. There seems to be a lot of rust in the coolant. I just got it back from the mechanic who repaired a failed water pump. Any suggestions on what to do to fix this? ...
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1answer
2k views

Why wont my #1 fan run on my on 2003 Pontiac Grand Am?

I have an overheating problem and I've found that my #1 fan that should be coming on at or about 195 degrees isn't coming on. I've checked the fan motor, it's good, I've checked the fuse and relay and ...
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6answers
4k views

Using sunshine to cool down the car

Why can't the sunshine (that turns a car into an oven) be used to run the aircon? Or at the very least, a fan? For example - a long thin fan that fits into the top of the window - preventing it from ...
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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
1k views

2010 TDI Jetta Strange A/C Pressure Readings

I recently replaced the compressor and dryer at the suggestion of a nearby shop. I've charged the system and the high side reads a solid 100psi the low side cycles between 70 - 110. Cycle time is ...
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0answers
356 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
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 ...