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).

Filter by
Sorted by
Tagged with
0
votes
1answer
53 views

Why does car get hot when at a stop light

Vehicle vibrates a little when at a stop and starts to overheat , once I get going the temperature starts dropping back to middle. What do you think the problem is?
0
votes
1answer
29 views

Can I use a lower ratio of coolant to water in a hot climate? (N. Texas)

I'm looking at a fluid flush for my 2010 Nissan Altima. I want to ask if there are concerns or benefits to using a lower coolant ratio. I travel to Kansas for the holidays, where it's quite a bit ...
1
vote
0answers
16 views

Nissan Versa 2007 Coolant Change Problem

So I changed my coolant, online it said I need 6 ltr but it only took 5 and that was including filling the overflow tank to the max level, I had it jacked one side high and tried to burp it. I took it ...
0
votes
0answers
24 views

Does coolant have a shelf life? [duplicate]

I have found some old opened bottles of coolant (green, undiluted, aluminum safe) in my garage, they've been opened and partially used. The remaining coolant has been there for somewhere between 5 ...
0
votes
0answers
16 views

Elite i20 AC problem

My Hyundai Elite i20(2017 model) was running fine till I gave service in one of the hyundai showroom. Last week I gave my vehicle to service at authorised Hyundai showroom(odometer - 33000km). After ...
0
votes
0answers
13 views

My toyota vios 2008 green temp light keeps blinking when switch on and car won't start. How to fix this?

My toyota vios green temp.light came on and the car won't start. The cooling fan keeps on running . But everything seems to be ok. I replaces the etc sensor but stil it won't start. Any idee what the ...
1
vote
1answer
65 views

How to flush a cooling system after head gasket failure?

I recently replaced the head gasket in my Renault K9K (700) 1.5 DCi, due to a cylinder/cooling system type failure. As such, the cooling system is full of partially burned diesel. Despite having ...
0
votes
0answers
24 views

2006 Hyundai Trajet G4GC engine not getting hot enough

This is a 2.0 petrol engine. Already had the t'stat replaced twice. When the car is stationary in the P gear, the coolant temperature gauge will slowly reach 40-45% of the scale and stays like that. ...
1
vote
1answer
78 views

What actually happens when there is no Thermostat ( bypass thermostat)in coolant system?

What actually happens when there is no thermostat (bypass thermostat) in coolant system?
0
votes
0answers
17 views

Coolant smell outside of car

I have a 2010 Nissan Murano. Last summer (2018) I started smelling coolant when I get out of the vehicle or am at a drive thru with my window down. There is never any coolant on my garage floor. The ...
1
vote
1answer
34 views

Car over heating when idle

My Mazda 6 started overheating during a heavy traffic day. Ever since, I noticed it would only start over heating only when the car is idle at a light, traffic, or parked for about 5 minutes and then ...
1
vote
1answer
28 views

2011 Chevy Silverado Engine Temp Fluctuates when cabin temp set high

I have a 2011 Chevy Silverado 2500 with a 6.0 L. I never noticed this before because I was living in the south and never really had to increase my cab temp too much. Well I just moved to northern MI. ...
0
votes
0answers
13 views

Mini cooper 2003

Hi I have an issue with my 2003 mini. Temp is only running at quarter and after a while if I am stationary it will go up to half way and no further, but when it his halfway it will make a farting ...
2
votes
0answers
78 views

Why may heating gradually stop after some time driving (and doesn't work in passenger side at all)?

This is a somewhat strange problem. Heating (in driver side) seems to work normal - after somewhere between 15-25 mins. driving or so, it gradually stops working. The warming in passenger side doesn't ...
0
votes
0answers
21 views

Air Bubbles In Radiator Geely LCX 1.3

we have a Geely LCX 1.3. The radiator blew a few months ago and we immediately stopped driving it. First we had the head skimmed and pressure tested and replaced the gasket and also had the radiator ...
1
vote
0answers
34 views

Engine coolant not hot

Recently bought a 85 bronco ll with a 2.8 motor. Engine coolant won't reach normal temp. Changed the thermostat, flushed and refilled coolant, but still had the same problem. Replaced radiator cap, ...
0
votes
1answer
20 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 ...
1
vote
1answer
26 views

99 Alero overheated due to low coolant, coolant light stays on after filling coolant

I was driving my 99 Alero and it started to overheat quickly like went from normal temp to red line in about 90 seconds. I shut the heat off and it dropped back down. Then the coolant light went on. I ...
0
votes
0answers
13 views

Heat Indicator Light

Hi I have a 2004 Mazda 3 its been really cold the past couple of days so I don't know if that could be the reason for it but whenever I turn my car on the past couple days the engine overheating light ...
1
vote
2answers
41 views

2000 Ford Expedition XLT 5.4, Possible Toast Heater Core?

I recently just flushed my heater core on my 2000 Expedition. I did a full flush, then a reverse, then another flush. Filled heater core with anti-freeze to insure air didn't get trapped in the core. ...
0
votes
0answers
43 views

Drove exactly a mile on water in the reservoir. Overheating after coolant added. What could be the problem?

So I drove to the gas station to put air in my tire when I realized I forgot to clamp down a coolant hose going to radiator after working on swapping the alternator. My hood was steaming and there was ...
2
votes
2answers
77 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 ...
0
votes
1answer
23 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?
0
votes
1answer
150 views

Mazda 3 SP leaking coolant

I have a Mazda 3 SP 23 2005 _ manual _ 2.0 Liter unleaded. I have noticed that some cooling liquid started leaking on my parking spot a week ago. The leaking stains are becoming bigger day after day. ...
2
votes
1answer
45 views

Poor heat inside of car and loosing coolant from reservoir and radiator

2008 Subaru forester. I have to add coolant to reservoir every 50 miles or so. I get very little heat from inside the cars vents. I don't have any oil loss or any water in the oil. I have not been ...
0
votes
0answers
18 views

Mazda 323 Lantis

Good Morning Mazda 323 when cold dosnt start unless you keep swinging the engine and giving it gas, after it is warm up, u can start at anytime, as long as it is warm, why is this?
2
votes
0answers
24 views

94 Chevy k1500 5.7L coolant gushing

I have coolant gushing out of the bell by the firewall. I replaced the heater core (luckily very easy in this truck). There are no leaks other than from that peep hole. Not on the floor boards and not ...
1
vote
2answers
559 views

oil is mixing into coolant water

i have an opel astra twintop 1.6 2009. oil is mixing into coolant system. there is oil in expantion tank. almost all the oil goes into expantion tank. Can you show me the way how to solve it? we ...
0
votes
1answer
27 views

2008 Pontiac Vibe

I replaced my thermostat a week ago and it’s been fine now there’s no heat and my temperature goes up and down my heat will work for a minute or two then back cold do I need a water pump or what
2
votes
0answers
27 views

Fan not working and overheating for my Saturn

I currently have a 2003 Saturn lw200 2.2l and recently discovered it overheating and found that fan has not kicked on. I was conflicted and did some research and found out about troubleshooting the ...
2
votes
1answer
452 views

Can the weep hole of a water pump face upwards?

I've noticed a hole on the top of my water pump, and it looks like the pump's weep hole, since it also has some dried up coolant residue inside (but it isn't leaking any coolant, since the area around ...
0
votes
1answer
230 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?(😟)
1
vote
3answers
2k views

VW Polo strange issue of overheating

can I kindly ask your opinion on my car issue? I'm not deep in field of engines and this problem is causing my serious headache and a total waste of cash without any results. I've a 2015 VW Polo TDI. ...
2
votes
1answer
136 views

radiator removed – is it still possible to flush system?

I'm replacing radiator and a/c condenser on my car. After hitting a deer, they both bent inward and most of the coolant leaked out of the car. I got both of them off the car and realized I forgot to ...
2
votes
1answer
290 views

How should I flush out a head gasket sealer?

I purchased a 2002 Ford Taurus, little knowing that it had a head gasket leak. After it was driven for a week or so it started overheating. I am assuming that the person that I bought it from put ...
1
vote
0answers
85 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 ...
1
vote
1answer
215 views

Liquid noise after opening coolant cap while warm

Today I got the message the coolant level is low, checked when cold, it was below the minimum. I made the mistake of partially opening the coolant cap while engine temp was halfway to its operating ...
3
votes
1answer
2k views

What is causing Mazda 3 overheating and cold heater?

I have a 2006 Mazda 3 s with 167,000 miles. The engine is overheating and the heater stops blowing warm air soon after starting the car. I replaced the thermostat to no avail. I took it to a radiator ...
2
votes
3answers
796 views

Pontiac Grand Prix 2007

I noticed lately that on my dash engine heat goes close to hot but never really gets there. That usually happens when i am in idle. When i start driving it goes back to normal and only sometimes goes ...
8
votes
3answers
24k views

How long should I wait for engine to cool down before I can check coolant?

I know engine temperature should go down to "C" mark before opening radiator cap. However I'm finding that the temp just stays on normal for a long time. I think I've read people say you need to give ...
2
votes
0answers
96 views

Using lots of coolant, suspect head gasket

1998 Subaru Forrester, 4 cyl. I don't remember the exact specs of the engine. It's using what seems to be a lot of coolant -- probably 2 qts in a 30 day time span. There's no leak (I've left ...
0
votes
0answers
417 views

Prestone yellow bottle coolant vs old green coolant

98 civic ex has always had “green” coolant. Now not sure if that’s original used stuff or what. However I noticed you can’t really find regular old green coolant that uses silicates and had to be ...
1
vote
2answers
124 views

Am I losing coolant during driving?

I have a 2007 Mazda6 with 3.0L V6. I had coolant changed while in for routine maintenance two months ago. Since then I have noticed the radiator fans running under conditions that they never did ...
1
vote
2answers
3k views

Mazda6 radiator fan runs after car turned off

I have a 2007 Mazda6 with the 3.0L V6 that I have owned since new. This (extraordinarily hot) summer I noticed for the first time that the radiator fan runs for 5-10 seconds after I turn the car off, ...
2
votes
1answer
422 views

Blown head gasket? (Decent compression numbers but cooling system doesn't hold pressure, no external leak)

I have a Mazda MX-5 and it was overheated due to the water pump belt failure. I replaced the belt afterwards and the car drove fine. I brought the car to the shop and they told me it has head gasket ...
2
votes
1answer
62 views

Driving Subarus without coolant [duplicate]

Years ago I decided to drive a Brat from Wyoming to Indiana. It started losing coolant climbing the Bighorns. I kept on driving. By the time I left Wyoming their was no coolant in the system. It didn'...
0
votes
3answers
6k views

Consequences of adding Blue Devil headgasket sealer to a car with no obvious problem?

I was doing some general internet browsing and stumbled across Blue Devil head gasket sealer which advertises permanent fix to any head gasket leak. The reviews on the internet also seem to be quite ...
1
vote
1answer
33 views

1967 f100 water not flowing through radiator

Water isn't flowing through radiator unless you press the gas pedal, acts like its running hot but temperature gauge never shows it going above normal . Thermostat is new and temperature sensor is new ...
1
vote
0answers
340 views

Vibrate with humming sound

I recently notice there is vibration with humming sound coming from my 2017 Nissan Pathfinder. When I start the car and leave it idle I don't hear any vibration with humming sound from front driver ...
1
vote
0answers
49 views

Faulty cooling system but not overheating

I've got a Peugeot 2.0L HDI 2003 over the past several months I've had issues with the cooling system, it hasn't overheated until recently but has had other issues. It first started showing signs ...