The cooling-system tag has no wiki summary.
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5answers
2k views
My car's coolant temperature reaches almost 100 C / 212 F in a fast pace
Today, after a very hot day, I saw that my coolant was almost reaching 100C/212, I pulled over, stopped and took a look over the hood. The very little water that remained in the coolant tank was all ...
7
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4answers
5k 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 ...
6
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6answers
1k 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 ...
6
votes
3answers
224 views
Oil in the radiator, but no coolant in the oil
The car is a '98 Buick Lesabre with the 3800 engine and about 170k miles. It appears as though some oil was in the radiator, but I haven't seen any signs of coolant in the oil. The water pump recently ...
5
votes
1answer
322 views
Why would my engine temperature raise from normal to high and drop back down again?
I have a Nissan Micra (UK, 51-plate, 2001 model) that I have been using to drive to work on a daily basis - 10 miles each way a day on a variety of roads - streets, main roads, main roads in traffic, ...
4
votes
2answers
339 views
Engine never warms up (actually: it cools down) at highway speeds
I have a 1997 Caravan (base model) and normally on my drive to work and my highway drives in rush-hour, the engine warms up just fine.
I took a road trip for work, about an hour and fifteen minutes ...
4
votes
3answers
242 views
94' Honda Civic Cooling issues
Here's what's going on:
The temperature remains constant on the highway.
The temperature remains constant for short trips.
The temperature generally remains constant when the car is not moving. (It ...
4
votes
2answers
58 views
Overheating & coolant loss in 1998 Subaru Outback
I'm having trouble with this vehicle overheating, presumably from losing coolant. The problem is very similar to what's described here:
...
4
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2answers
125 views
Changed radiator, now have misfiring?
I have a 1996 Nissan Altima. I had to change my radiator recently because it developed some cracks on the top of the tank and I would have to refill the tank every few days.
When I changed the ...
4
votes
1answer
245 views
2005 Subaru Forester XS overheating
While on a roadtrip, the car started overheating with coolant boiling out. We refilled the radiator with coolant, but it kept occurring. We managed to make it back home by having the heater on high ...
3
votes
3answers
399 views
What happens if I drive without antifreeze in my car?
What happens if I drive without antifreeze in my car (no water / no antifreeze)? This is my main question. I've added some follow up questions that are specific to my situation but for the main ...
3
votes
2answers
176 views
Should I try radweld on this pipe or just replace it? Mk3 VW Golf
I have a leaking pipe in the cooling system of my Mk Golf. It leaks about a litre in 5 miles. I'm not sure if it's worth trying Radweld with this rate of flow or if I should just try to find a ...
3
votes
3answers
755 views
Cooling fans not running
My 2000 Pontiac Grand Am GT (6 cy/3.4L) has been having cooling issues. I started by replacing the thermostat and performing a flush & fill on the radiator. This didn't seem to resolve the issue ...
3
votes
3answers
330 views
Coolant still in expansion tank after draining from engine and radiator — BMW E46 (2003 330i)
I attempted to do a cooling system flush today (along with replacement of radiator hoses, water pump and thermostat).
After removing the blue drain plug (my car only had one, apparently some cars ...
3
votes
4answers
2k views
Cooling fans constantly run
This past summer I inherited a 95 Pontiac Grand am that while looking under the hood, I noticed someone had removed the air conditioning unit. I drove it throughout the summer and wasn't until the ...
2
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5answers
7k views
What can cause a vehicle to run hot, but not overheat?
Anyway, I have a Grand Am 2003 V6. It only has 80k miles. My car ran great when I got it(used), but at some point it began to have minor temperature problems. It would always run a little bit hotter ...
2
votes
2answers
118 views
How to know if a radiator is getting sufficient airflow
I have recently purchased a dune buggy as displayed in the photo below. Note the position of the radiator located above the seats.
What I am wanting to do is install some clear perspex in the window ...
2
votes
2answers
934 views
How to diagnose excessive coolant consumption?
Whats the best way to determine the source of coolant consumption? How should one differentiate between say a leaking radiator, leaking waterpump, leaking hoses, a blown head gasket, or crack in the ...
2
votes
1answer
430 views
Diagnosing overheating on 92 civic
I have a 1992 Civic that's been overheating, first only at speeds above 65 mph and only after an hour or so of driving, but it's getting progressively worse. It's drivable if I coast with the clutch ...
2
votes
3answers
58 views
What is the Magic ON temperature for Electric Fans?
I want to wire up my old truck to turn an electric fan ON to keep the radiator cool.
The ECM has an engine coolant temperature sensor mounted in the engine that alters the resistance to determine ...
2
votes
1answer
126 views
What happens when under-filled coolant overheats?
I have a bmw k1200s motorcycle. You suppose to fill in the coolant using vacuum. I usually fill it in at home, drive to a dealer and let them deal with the vacuum stuff. it didn't work out this time. ...
2
votes
1answer
337 views
2003 Pontiac Bonneville - How to Remove Relays in Fusebox
My grandparents have a 2003 Bonneville which has, in the past few months, started to become very wishy-washy with its air conditioning fans. They'll work one day, then not the next. They'll hit a bump ...
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0answers
76 views
Getting the best results sealing head gasket leak with Blue Devil
The 1998 Subaru Outback I've been having cooling system problems with turns out to have a combustion gas leak into the coolant. I suspected this but couldn't get a test to turn up anything; taking it ...
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vote
3answers
50 views
Clear water in coolant reservoir
Over the weekend I took my 2000 Toyota 4Runner to a local shop to get the oil changed. While there they told me I needed to flush the coolant, pulling clear water out of the coolant reservoir. They ...
1
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1answer
26 views
2003 Acura TLS running hotter than usual
I'm having some concerns with my car's engine temperature. Last weekend after being stopped at an intersection, the engine temperature went up higher than usual, about 75% of the way to the red line. ...
1
vote
1answer
203 views
How to determine the cause of leak in a Mazdaspeed 3?
When stopping for gas on the way home, I noticed a red fluid running out from the front of my car. It had a reddish tint to it and was coming out from under the passenger side wheel. I checked the ...
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1answer
1k 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 ...
0
votes
1answer
167 views
Audi 06 - Replace Thermostat
My check engine light came up yesterday. Just brought it into Audi and they say I need to replace the thermostat with the note "cooling system malfunction)". They're charging $600.
Is this necessary ...