Questions tagged [coolant-reservoir]

An overflow container for coolant.

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96 Chevy caprice 5.7L

My 96 Chevy caprice engine coolat reservoir overflow tank have 2 lines running to it I ordered a new reservoir and it only has one slot where a line can go is that a problem And how do I run the lines
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1answer
47 views

How much coolant needs to be added to radiator?

I drive a 2001 Buick Century. It has had some coolant problems/leaks on and off. My father in law was helping me with the car, and he told me that the radiator must be filled to the tippy top up to ...
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57 views

High coolant pressure on 2015 Kawasaki Ninja 650 hot day

I live in Las Vegas, the other day on the way home from work it was about 100 degrees out. I got on the freeway and there was a big traffic jam. I spent between 20-30 minutes mostly idling and just ...
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Mechanics left the cap off my radiator. Can this cause proven damaged to my engine?

I had a service done on my car I drove my car home (40 min drive) and noticed the heating wasn't working. I checked under the bonnet the next day and there was no liquid in the radiator reservoir and ...
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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 ...
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110 views

Where is the coolant reservoir on my Nissan Caravan 1995?

I have a Nissan Caravan 1995 VRGE24 and I just can't find the coolant reservoir. I can find the orange radiator cap on top of the radiator itself and a small tube leads to the back of the motor but ...
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198 views

3.0 L v6 1999 Ford ranger coolant overflow tank cap blowing off and more coolant in overflow tank than in radiator when engine off

I have recently put a new thermostat and coolant flush on engine. Before that the temp gauge was moving all over the place from normal to cold to hot back to normal back to cold back to normal and the ...
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1answer
58 views

1999 Sebring Jxi: coolant boiling and leaking

I drive a 1999 Sebring Jxi convertible. About a week ago, my car overheated and puddled antifreeze. I have been keeping a close eye on it ever since. On warm days, it leaks a lot more antifreeze, but ...
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134 views

Brown residue in coolant reservoir

Truck temp gauge went to hot. Coolant reservoir was full. Truck then sat for 9 hours. Checked oil...2 quarts low. My coolant reservoir was now brown and gross as well as radiator cap. What has ...
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95 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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1answer
114 views

Can you have coolant in the resevoir tank while the radiator is low on coolant?

Suppose my coolant reservoir has gone low and but is still showing a little coolant. I was under the impression that the rest of the system is still full (even when leaking) since if the radiator was ...
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2answers
122 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 ...
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2answers
86 views

What is wrong with my coolant reservoir tank

So the coolant reservoir tank seems to boil after around 15 minutes of the car running and spills some coolant too. What can be the issue and will it be expensive?
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318 views

block test positive but leak down doesn't find any issue

My Jeep has been losing coolant before and after replacing a leaky radiator. block test proved positive for combustion gases but the dealer doesn't find an issue with leak down test. there is not ...
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89 views

Coolant fluid being consumed up fast (1.5 liters in just two to three days)

My friend owns a VW Golf Mk4 1.6 SR year 1998. Recently he is having issues with the coolant fluid being consumed up really fast, approximately 1.5 liters in just two to three days. The first thing ...
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4k views

Topping up Coolant bottle with Distilled water only or pre-diluted coolant?

I am using pre-diluted (50:50) coolant in my car. I have observed that with passage of time and use (around 4 month), coolant quantity in reservoir bottle decreases to middle of MIN and MAX. I have a ...
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3answers
1k views

Antifreeze Boiling/Bubbles

Ok so the problem I'm having that started a few days ago is after driving for about 10 minutes or so my 2010 Dodge Avenger starts to smoke and the temperature needle raises to overheat. BUT when I ...
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1answer
6k views

How often to put water in coolant

Is it ok to put water in coolant? I live in a tropical country in Burma and i wonder if its ok to put water in a coolant? Also my coolant water fluid does drain every week. Is my coolant functioning ...
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5k views

50/50 Coolant mixing

I just replaced my radiator today and decided to refill it with coolant concentrate and mix in water myself. Instead of mixing the stuff properly before hand, I poured in 1/2 gal. of water directly ...
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2answers
344 views

Crud in Coolant Expansion Tank

I have all this brown/orangish mineral crud in my coolant expansion tank. I've flaked some of the more substantial deposits off as you can see in the last image below. Is it something I should be ...
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2answers
96 views

Few questions regarding coolant

Checked my coolant level today and noticed in the reservoir it was lower than the “Low” line so I added 100% antifreeze which brought it up between the “L” and “H” marks as I couldn’t see properly ...
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3k views

If coolant evaporates, does the anti-freeze portion evaporate as well?

If it does evaporate, then how much in comparison to the water? If it does not evaporate, can I be safe to assume I only need to add water when replenishing lost coolant? Edit #1 I just want to ...
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12k views

How is it possible to lose coolant, if the coolant system in a car is a closed loop, and there are no leaks?

I have confusion as to why people need to top off their coolants from time to time. How is that a phenomenon if the cooling system is supposed to be a closed loop? I understand that if there were ...
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1answer
72 views

What state should the car be in when reading the overflow reservoir?

When the car is off and cold, the overflow reservoir shows a lower reading versus when the car is on and warmed up. This is confusing because when the car is cold, it can be said that coolant needs ...
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5k views

What is the point of changing coolant if it gets constantly replaced?

I drive a 2016 Scion FRS, and based on the maintenance schedule of the coolant: 1st replacement interval is 11 years/137,500 miles (220,000 km). 2nd replacement interval is 6 years/ 75,000 miles (...
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43k views

Will a radiator suck fluid out of the overflow tank if I didn't fill the radiator completely?

I recently changed the engine coolant in my 2006 Prius. The system is the type which has the radiator cap on the radiator and a separate overflow tank. The whole system yielded about 1.5 gallons of ...
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1answer
1k views

Why would a blown head gasket burst the coolant tank?

The coolant tank on my 2.3l duratec (Ford Transit) just burst while it was at the garage for an MOT. The mechanic said it could have been caused by a blown head gasket, but didn't explain any further....
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3answers
28k views

Why is coolant in the reservoir boiling?

This is a 2011 Chevy Cruze 1.4 L Eco with 116xxx miles on it. The other night I made it home from driving about 30 minutes from work and when I turned the car off I heard some noises. I looked under ...
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1answer
1k views

Is solid material in the coolant bottle a sign of a problem?

I looked at a Ford F-150 truck for sale today with the 5.4L V8 Modular motor. The truck had no running issues. After raising the hood, I noticed something odd. There is solid material stuck to the ...
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7answers
43k 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
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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2answers
5k views

Poured small amount of oil into coolant reservoir

I poured a very small amount of old oil into the coolant reservoir. I have a mechanic that's 15 minutes from my house. Should I drive it there to flush it out - or have it towed there? (I don't have ...
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2answers
8k views

Coolant reservoir empty

2006 Subaru Outback, 2.5l NA, ~110k Had the timing belt, including water pump and some old, corroded hoses replaced about 3 months ago since it seemed overdue. Which I would assume if not a full ...
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3answers
86k views

What problems can a loose radiator cap cause?

The radiator caps in all cars seem to be very tightly installed. In some cars (at least in my 2011 Toyota Yaris), the radiator cap is not round so you can remember the position it was at, but in other ...
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1answer
922 views

Cooling systems without a drain valve

What are the methods used to replace coolant on a vehicle without a drain? I am due to change the coolant on a vehicle with a very tight engine bay and no drain plug in the radiator. The hose clamps ...
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2answers
4k views

Pink residue and overflow around the coolant reservoir

I am considering buying a used Toyota Camry. From my general (amateur) inspection all looks ok but the only thing I noticed was what looks like some residue or possibly liquid overflow around the ...
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1answer
995 views

How to clean oil from cooling system?

I'm trying to sell my Citroen Picasso 2.0 HDI and got scammed by buyers putting used oil into the header tank of the cooling system and telling me that the head gasket had blown. Now I need to figure ...
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3answers
5k views

Reservoir tank boiling over and steaming

I have a 2000 acura 3.2tl and my reservoir tank keeps boiling over and steaming quit a bit. My engine isn't over heating and it doesn't happen right away. I have flushed my radiator and changed my ...
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1answer
389 views

Overheating 2005 Pt Crusier

my 2005 PT Crusier coolant over flow container isn't holding any coolant at all. I put water to the marked amount of 50/50 and it doesn't hold any of it. Over heating problems because of it. I lost ...
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1answer
2k views

Excessive Coolant Expansion with No Overheating

I've noticed that my coolant expands quite a bit when I drive around, so much that I'm loosing coolant through the expansion bottle. When I park after a lengthy drive, I'll usually hear the coolant ...
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2answers
1k views

2005 Chrysler Sebring coolant bubbling and leaking

I have a 2005 Chrysler Sebring and when I go down the street the temperature gauge starts going up. It doesn't ever go past the half way mark on the temperature gauge but my coolant is still bubbling ...
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2answers
88 views

GMC Yukon leaking coolant. Wondering where to look

Loosing coolant. When I crank car it leaks a lot of coolant, but stops when driving. If I fill the reserve up I can't see it leaking anywhere. As soon as I put it in drive it leaks like a faucet for a ...
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1answer
1k views

Where do the intake/outtake tubes go on a motorcycle coolant reservoir?

I do label things but this one got away from me. I feel extra stupid because it's just the in/out from the radiator reservoir but it's shut the whole operation down. I don't want to put the exhaust or ...
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1answer
74 views

cooling system problem throwing water out when its hot

I am having a problem with my cooling water leaking out through but there's no external leakage could it be that there air in the system because I try to replace the thermostat but still leaking ...
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1answer
402 views

Coolant expansion tank issue

My coolant tank is filled up to the correct level before driving off but I've taken a half an hour drive and it is very low and warning light comes on. Once stopped it cools down and the level rises. ...
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1answer
8k 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 ...