Questions tagged [coolant]

An alcohol based fluid that is miscible in water and used to remove heat from the engine. Also see the [cooling-system] tag for related components such as the radiator and water-pump.

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837 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 ...
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1answer
110 views

Radiator Flush Mazda 3 2010 - 100,000 miles

I'm working on flushing the radiator on my 2010 Mazda 3 at 10,000 miles. Am I correct to assume an appropriate process is to iterative by filling and drain the system with distilled/de-mineralized ...
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1answer
1k 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 ...
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1answer
2k views

Why did changing my coolant break my water pump

Many years ago I changed the coolant in my 1994 Mazda Lantis. I had no idea what I was doing, and the result was my water pump broke and started leaking. The mechanic replaced it and all was good. ...
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1answer
177 views

What is the coolant fluid used in a 2015 BMW X 5–5.0i turbo coolant reservoir?

What is the coolant fluid used in a 2015 BMWX 5–5.0i turbo coolant reservoir?
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5k views

How long can I drive my truck with the wrong coolant in it?

I put the wrong coolant in my '99 Ford Expedition and I was wondering how long I could drive it before I need to have it flushed and have the correct coolant put in?
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1answer
466 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 ...
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1answer
174 views

Water Coolant Tank Boiling

I just had the thermostat changed, and had not driven it since (few days) I checked the water tank and it seemed lower that it should be. So I gave it a test drive to get the water hot, then took the ...
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1answer
1k views

Overflow reservoir bubbles after driving not overheating

My 95 Ford Windstar just had the radiator replaced. After driving there is bubbling in the overflow res. , engine is not overheating and water seems cool to touch in reservoir. I can smell antifreeze ...
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1answer
357 views

2000 Chrysler LHS coolant tank is giving off a bubbling sound when I park the car.

I recently had my thermostat replaced due to hearing bubbling in my coolant tank once I turn the car off I also noticed on the opposite side other coolant tank there was leaking on the ground not a ...
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1answer
2k views

Coolant light is on even after topping off

2000 Pontiac Grand Prix Gte - My low coolant light came on so I parked let it cool down went to auto store n got the Dexcool antifreeze and filled it past the hot marker. Drove it on the interstate ...
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1answer
283 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
10k 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
411 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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2answers
410 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
23 views

Two Questions Regarding Issues With my Subaru SVX Cooling System

I have a 1996 Subaru SVX with a leaking heater core and I wanted to know or confirm two things. First of all, I started the car and allowed it to idle up to warm and fluid levels were normal. I came ...
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33 views

Coolant level fluctuates too much

I have a problem with the coolant level from my car (Renault 1.5 dCI engine). It fluctuates too much. I left home with the coolant level at the minimum mark. After approximately 10 minutes I stopped ...
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3answers
50 views

06 Ford Focus Automatic chugging in hot weather, showing below minimum coolant. add water, or risk the drive?

I have a 2006 Ford Focus Automatic which is chugging in hot weather and seems to lose some power. I'm hoping, but I am in no way mechanically minded(!), that because it is showing below minimum ...
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126 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 ...
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0answers
595 views

The gas pedal stops responding after a problem with car heat

So the other day I noticed the car was getting hot and I knew it the coolant needed to be refilled. But the coolant cap was stuck so I thought I would just finish my errands and then take it to the ...
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1k views

When doing an “Engine Coolant” and “Inverter Coolant” change. Do you use the same coolant type for both?

Well I got my 2011 Toyota Prius oil changed and the dealer wants me to pay $500+ to get both the Inverter and Engine coolant changed. However I feel I'm up to the task for a fraction of the price. ...
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88 views

What are some effects of higher than usual cooling system pressure?

This is a follow on to this question where I asked how A/C could be causing coolant loss. The answer was that using the A/C can cause higher than usual cooling system pressure, which could result in ...
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1answer
100 views

Disconnected sensor harness and car is now leaking coolant. Related?

A mechanic replaced BMW X3 2008 cracked coolant reservoir. Car was running fine for several months. Recently "low coolant level" light came back on. I refilled it with more coolant. However, now it ...
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366 views

Sudden high coolant temperature

After installing a new coolant regulator and burping a system sudden high temperature occures. Following picture show 95 degree at 92 degree of oil temperature but coolant temperature can reach even ...
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866 views

I have a 2008 Mazda 3, and it's not blowing cold air

I have a 2008 Mazda 3, and during the winter, we had a few warm, wet days, and I tried using the AC, and it wasn't blowing cold. So now that spring has sprung, I'm looking to get this fixed up. So ...
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0answers
38 views

A/C working but engine overheating

I have a 2004 Chevy 2500 6.0 and the AC compressor belt was not on when I bought the truck, so I put one on today and it worked great until I was parking, the dash said "Engine Coolant Hot" and ...
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466 views

Coolant and Power Steering Leak

1997 Jeep Cherokee here. I drove 120 miles and when I arrived at my destination the power steering and coolant were empty. The wheel was very hard to turn. I refilled the coolant and power steering,...
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0answers
80 views

Why is there no pressure in my 06 Chevy Impala…?

Boy, what a day I had. Roads were real slippery today in Texas and I skidded and lost control. Next thing you know, I'm in a ditch full of grass, dirt and rocks. I'm still amazed at how little damage ...
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0answers
94 views

2006 Mercedes E350 4matic , v6 engine

Drove kids to school , stop to get ha and made it home then was about to leave back out and the car started to drive sluggish as if it didn't want to do . I proceeded to pull over at a gas station and ...
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0answers
70 views

2001 Pontiac Grand Am - Oil in coolant [duplicate]

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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2answers
8k views

How can an A/C system consume coolant when in use?

I drive a 2007 Subaru Outback. Recently, I've noticed that when I use the air conditioning, my coolant level drops ever so slightly. The rate of loss seems to be related to the amount of time the A/C ...
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7answers
71k 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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3answers
93 views

How does water in the radiator not boil?

I have been wondering why exactly is it that water in the cooling system of a car does not boil. The boiling point of water is 212 F, and normal engine operating temperatures can get up to 250 F. ...
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1answer
218 views

How long can I run radiator flush in my car?

My cooling system is quite nasty and needs a flush. I followed instructions on radiator flush, which said to run the car no more than an hour. However few tutorial videos online suggest running ...
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3answers
8k views

Chevrolet Cruze running out of Coolant

Can my Chevy Cruze 2011 ran out of Coolant liquid after 6 years of use ??. Some people say that coolant never decreases, then why is sold in regular car stores?. Can be possible or do I need to make a ...
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2answers
187 views

Coolant - meaning of label on bottle

I am currently on vacation in Mallorca, Spain. The car (Citroën C4 Picasso running on diesel) that I am driving is running low on coolant. I went to a gas station to buy a bottle of coolant for the ...
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3answers
145 views

2004 Tahoe: Oil and Coolant Dissapearing

In my 2004 Tahoe both my coolant in my oil are disappearing. I have no trace of liquid underneath the vehicle when parked. However, every month or so we will get an engine coolant hot message and I ...
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2answers
733 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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1answer
941 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
96 views

Ford water in engine

So the air filter has holes in the bottom of it and sucked up water into the air intake. The water mixed with the oil and caused the engine to start burning coolant. Ive drained the 97 ford ...
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2answers
103k views

Standardised engine oil temperature range?

Does anyone know what the (more or less) acceptable standardised range is, for the oil temperature of a car engine? I understand that 40-120 degrees C, seems to be the acceptable range for the engine ...
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1answer
841 views

Coolant in the sump. Could that cause the engine to seize?

I drove to the garage with my jeep and switched the engine off, when I tried to start it again it would start but not idle then would not start at all. I then realized the engine is locking. I ...
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1answer
7k views

Leaking water under bottom left of the engine block

I have a 1999 ford explorer Eddie Bauer SOHC 4.0L and it is pouring water from a hole in the engine. I'm not sure where or what goes in the but it is running out fast.
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1answer
4k 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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2answers
13k 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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3answers
3k 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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1answer
92 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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2answers
1k views

Losing coolant daily, but not overheating

I drive a BMW Z4 2003 with 93k miles and I noticed for the first time the other day the coolant fill up light go on when I was driving. I checked the coolant level and it was bone dry. so I filled it ...
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2answers
62 views

It's 18° I have zero fluid in my radiator I have one gallon fr eze it says do no add water of fluids what do I do

Dodge ram 1500 2001 5.9 l what do I do surely my system requires more fluid water etc ..
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2answers
3k 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 ...

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