A water-based fluid used to remove heat from the engine. Also see cooling-system for related components such as the radiator and water-pump.

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179 views

Mercedes OM636: Can I Resolder Wire to Coolant Temperature Sensor?

The wire contact connected to the Coolant Temperature Sensor of my Mercedes OM636 (Boat engine same as Mercedes 170D, 180D) was corroded and got accidentally snapped off. Can I just solder this back ...
2
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1answer
365 views

Oil in coolant none in oil

I have a 2003 F150 with a 5.4 engine. It started running rough and I noticed oil in my coolant. I checked the dipstick and it is clean. I was just a little low so I added oil. When I removed the oil ...
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1answer
550 views

2004 Ford Escape Reserve Coolant mixed with oil

I have been using my 2004 ford escape 4x4 v6 for nearly 7 years now since my dad gave it to me. I am not a very technical guy when it comes to car maintenance but I see to it that it is always ...
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1answer
1k views

1998 Chevy Lumina won’t start, crank, or click

I have a 1998 Chevrolet Lumina and recently I have had intermittent starting issues. My brother and I bought a new starter and put it in and it still wouldn’t start. After replacing the starter we’ve ...
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1answer
2k views

Bad temperature gauge reading on '96 Ford F-150

On my 1996 F-150 with the 4.9 L (300 CID) inline 6, for some time now, the engine barely reaches the normal coolant temperature as read on the gauge. Historically, it would climb until it was in a ...
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1answer
367 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. ...
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1answer
4k views

Engine Coolant Temperature sensor goes bad whenever the outside temperature is hot

This is on a 1998 Chevy Cavalier, automatic transaxle, 2.2L. This sensor went bad last July and I replaced it then. When it goes bad, the check engine light comes on and then the temperature gauge ...
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1answer
5k views

Difference between water pump and water outlet housing

I recently took my car into the shop because I was leaking coolant. (I thought it was tranny fluid. See my other question from a while ago to see how bad I suck at fixing cars :) I ended up putting ...
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1answer
27 views

Coolant leak - 4g63 sohc 2.0L non turbo

Recently I was experiencing coolant leaks in between the engine block and the wheel on the passenger side. This only occurs after the car has been driven aggressively and once the car slightly ...
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1answer
55 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
76 views

03 Ford Escape V6 Oil/Coolant/check fuel cap lights

I just had my oil changed and had coolant put into my car a few days before Christmas. Also, bought a new fuel cap the same day. All of these lights are still on and I have no idea how to make them go ...
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1answer
484 views

What causes mud in my radiator?

Ive changed my oil about one month ago but just recently my check oil light has started coming on and I started losing my heat. I thought I might just have low antifreeze but when I opened my radiator ...
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2answers
74 views

where to put my coolant

I have a 325I 2003. I wanted to put coolant in my car and I started putting it in the reservoir. But I wasn't sure if that is where i put it so I stopped. Will it hurt if I put a little in the ...
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0answers
13 views

1997 1.8t Audi Quattro - using coolant

I have an issue with my 97 1.8T Quattro using coolant. I've checked for external leaks and can't find any. The engine oil is still clean. Has anybody had this issue before? Is it possible for it ...
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0answers
92 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 ...
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1answer
57 views

2002 Mercury Sable with wrong coolant in it

My wife's 2002 Mercury Sable we purchased a year ago has red coolant in it. I found the owner's manual online and it recommends Ford Green or Ford Yellow. Will this coolant damage her vehicle? Can it ...
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0answers
19 views

2001 Pontiac Grand Am - Oil in coolant

I just bought my car from a owner I noticed there was oil or what looks like oil in the coolant there is no coolant in oil and car doesn't over heat. It's a 2001 Pontiac Grand Am with 230,000 miles ...
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1answer
804 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 ...
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2answers
66 views

Overfilled my Insight 2010 coolant reserve tank. How can lower the fluid level back without a pump?

I noticed my coolant level was down to the min line on the reserve tank. So I decided to raise the level up between the two lines. I got the proper coolant for the car and started filling. I did not ...
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2answers
185 views

Coolant boiling

When I start the engine it was showing me that the coolant level is low. I did buy a mixed antifreeze and put on top of the other. Like in 5 miles when I stopped I did hear a strange noise. I opened ...
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1answer
145 views

how to temporarily fix a gasket leak?

My thermostat gasket is leaking on my 00 Ford ka. Is there I sealant I can put around it as a temporary fix for a week or two before I can get it fixed?
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3answers
900 views

What to do when antifreeze is in the oil casing

My son accidently poured some antifreeze into the place where the oil goes now the car runs with ticking when its idle
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2answers
1k views

How much coolant does a 98 Subaru Forester hold?

I'm looking to put an additive in my forester's cooling system, I'm not sure where to find out this information.
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1answer
2k views

What is Honda Coolant?

My 2000 Honda Civic 1.6 Aerodeck is getting a little low on coolant, and so needs a top-up. The question is - what do I put in? The manual rather unhelpfully says "use Honda coolant", but doesn't ...
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1answer
60 views

Oil in coolant after gasket work 1995 Chevrolet Lumina

I had a coolant leak that turned out to be a bad gasket. Coolant was leaking into the motor. I had the gasket replaced, and was told to change the oil after a few hundred miles. When I did, it turned ...
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1answer
377 views

safe to drive with coolant system error code

I have an 03 Passat with 1.8t engine I recently purchased. The indicator light went off and reads the error code P2181 which I've read might be the temp sensor, thermostat, or water pump. Is it safe ...
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1answer
1k views

Does a warped engine block affect compression test?

Check other questions, and did not see an answer. Backstory: Driving around, discovered pin hole in radiator. Chose to drive home, since I was at my exit, and I lived right there. Blew head gasket. ...
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2answers
494 views

What are the reasons to mix oil & coolant?

Frontal impact vehicle is there fan motor touches the oil cooler,oil cooler slight impact is there, in coolant tank oil and coolant mixed, what are the reasons to mix the coolant and oil in this ...
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1answer
329 views

My radiator fan keeps on right after shutting off the car (Hyundai Accent 2002 GL 1.6)

My car radiator fan keeps on working right after shutting down my car, which is strange and never happened before. I suspected the temperature sensor, but through the OBD II kit, I am able to read ...
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1answer
52 views

Loss of coolant from under car

I just replaced top and bottom radiator hoses and car has new water pump. It's an '86 mercury grand marquis. Once I replaced everything and filled the radiator with 50/50, I cranked the car up. Soon ...
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2answers
838 views

95 geo metro 1.0L pushing coolant out of overflow

I have a 95 geo metro. Car runs good and has normal power. When car is idling it runs fine with no overheating or coolant being pushed out of the overflow. I was told to replace the water pump, ...
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2answers
3k views

Having Trouble with my 2003 Ford Escape oil light and coolant light

I have a 2003 Ford Escape V6. I'd have to say a couple of months ago my oil light popped on (most of the time only when I hit the brakes), then it would kind of blink a lot until I was on the gas ...
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1answer
103 views

Coolant flush procedure?

I'm going to change the coolant on a '96 B-Body with an LT1 engine. It's got expired Dex-Cool in it (past the rated 5 year life). I want to get all the old coolant out in case it has turned to the ...
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1answer
58 views

added too much oil [closed]

I added too much oil to my 97 civic lx, drove it about 30 miles. It started to overheat and antifreeze started to leak from somewhere. I drained the excess oil, which looked brown, and started it and ...
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1answer
158 views

Dodge Ram 1500 SLT 4.7 Losing Coolant

I have a 2003 Dodge Ram 1500 with a 4.7 magnum, and I have replaced the radiator, thermostat and water pump. I keep having to fill the reservoir every couple of days. Fluid keeps coming out of the ...
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2answers
99 views

Oil in coolant, Pontiac Grand Am 99

I have a 99 Pontiac Grand Am which has done 160,000 km. Recently, I found oil in my coolant. Will this damage my car? What could be the reason behind this?
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2answers
108 views

2001 Ford F150 running hot

I changed my coolant hoses on my 2001 Ford F150 today. I let it idle for about 15 minutes and then took it for a test drive. It began to run hot during the test drive. What could cause this?
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1answer
1k 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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0answers
17 views

ISUZU CUBIC mixing oil in coolant

ISUZU CUBIC - CITIBUS ENGINE - 6hh1, 8300cc, 6 Cylinder, No Turbo I have this Isuzu with the above description. It is mixing oil and water coolant. I did not find water in the crankcase but found oil ...
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54 views

Renault/Dacia Logan 2014+ engine temperature indicator?

the Renault/Dacia Logan 2014 and above have indicators like this: As you can see, the dial at the right has the total mileage and the fuel indicator only. I'm wondering if there is an indicator for ...
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1answer
74 views

1996 mazda 626 leaking coolant

My mazda 626 was leaking coolant. I replaced the radiator for there is clearly a hole on it. It worked fine for about a month. Then I see some leakage again. And this time it is around the right side ...
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1answer
78 views

Overflow tank's lid has been opened for a long time

I've just found that overflow tank's lid has been opened by itself. I dont know how long maybe four months since I bought it. Coolant level is now above the full mark. Does it cause any damage to the ...
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1answer
205 views

Reason for oil like substance in coolant reservoir and under radiator cap?

I have a 96 Ford Ranger 3.0. There is an oil like substance in the coolant reservoir and under radiator cap. Oil is clean with no loss. Transmission is idling fine. No overheating of cooling system. ...
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2answers
127 views

Low coolant in freezing weather

I have been running straight water as coolant in my truck. As we have very few days in the single digits, I have had no trouble. However, today dropped to 7 degrees. I allowed my truck to warm up ...
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2answers
165 views

Why doesn't the engine coolant dry up while the engine is running?

Why can't coolant dry inside the engine during engine operation?
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3answers
118 views

What causes a low coolent temp light to come on a 2012 Honda civic

My 2012 Honda civic with 19,000 miles has a blue temp light on dash and it seems to be running fine?
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1answer
59 views

Where does the coolant go?

I filled up the coolant a few months ago and today I found the coolant level is near MIN. Is it normal that coolant "evaporates" over time? Or does it mean that it is leaking somewhere?
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85 views

Oil in coolent on my volkswagen Touareg

The coolant light came on so I took it to a mechanic he flushed it and put knew coolant some special g-12 coolant but the light came on again so I took a look at it and found oil in it . So I looked ...
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1answer
230 views

possibility of oil entry into coolant tank of figo

What are the possibilities of oil entering into coolant tank ? how to know it withoout seeing tank ? what need to be checked ? what precautions to be taken not reoccur the same trouble kishore
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20 views

Oil present in coolant overflow, but no signs of coolant in oil

1995 Saturn SL has oil in the coolant overflow but no signs of coolant in oil. What could be causing this problem? Is it worth fixing?