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Questions tagged [radiator]

A radiator is a heat transfer device that allows air to pass freely over fines that conduct heat from liquid circulated within an engine to cool it.

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25 views

How to top off a radiator with a recovery tank?

How is the correct way to top off one's radiator when it has a recovery tank? In a radiator that has a recovery tank beside it (as described below), is it necessary to get most of the air out of the ...
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48 views

What's this loose o-ring in radiator neck?

2002 Toyota Corolla. Changed out the coolant on our friends car to find a beat up square rubber o-ring loose in the radiator neck. Photo below with it resting on the radiator. Please advise if this ...
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52 views

How can I tell if my radiator is bad?

I have a problem with overheating (1988 Honda Accord CA/LXi). I've replaced the water pump, radiator cap and thermostat, with no change. I've flushed the system and the coolant came out clean. There ...
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51 views

Are some engines produced without coolant overflow containers?

I bought a used mini excavator (Terex HR1.6). I followed the overflow hose from the radiator. It ends in free air – i.e. no overflow tank or valve or anything. I have the machine's manual, and I can'...
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New Radiator Fan Issues in my 2010 Ford Focus

I put a new fan in my Ford Focus the other day and the first day it didn't work so I took it to my mechanic and it's been working since he said he hasn't done anything so I'm not sure if that's true ...
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Jeep Patriot 2009 Model smoke from under hood when in traffic **PLEASE HELP -ADVICE***

I brought this jeep form a dealership about 6 months ago. When we got it there was nothing wrong it? Took it in for its first service and they advised everything is fine and replaced a few light bulbs....
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22 views

Pressure build up in radiator in a 2010 Subaru Outback

I have pressure build up in the radiator but no leaks found. The water pump was checked an nothing there. Mechanic thinks it could be a head gasket, but everything I have read stated that I would ...
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38 views

What are the effects of using sulfamic acid to clean a radiator that is plugged up about 75%?

I've got a 1991 school bus with a CAT 3116 that gets a little hot on the highway and the stop engine light comes on. Only the top 25% of the radiator gets hot while the bottom remains very cold. I've ...
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2answers
53 views

2013 Chevy Cruze A/C not working and possibly radiator fan

I have a 2013 Chevy Cruze and all of a sudden I get in the car and there is no A/C. The fan is blowing just warm/hot air. After checking the fuses (not sure how to test relays) I did notice that while ...
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71 views

Antifreeze is evaporating

I have a 2005 Toyota Corolla and I don't know why the antifreeze is evaporating. I don't have a leak, but my antifreeze is evaporating. What causes that. Every month I have to add antifreeze to my ...
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Tried running a block tester twice, coolant got into the tube

I read the instructions. I used a turkey blaster to remove the coolant from the radiator hose. The first time, while I was pumping it, it seemed to be going as advetised until the coolant got in, so I ...
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53 views

How to repair a 86 pontiac firebird that has oil in the radiator?

I have a 1986 Pontiac firebird 2.8l engine. My ex boyfriend accidentally (or intentionally)poured oil into my radiator without my knowledge and I drove the car until it died (no longer starts) after ...
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71 views

Poured Antifreeze Coolant into radiator without diluting. Any issues? How to remedy it

There was smoke from the radiator while driving, and after googling, realized that i might need to add coolant fluid. Last night, I bought a can of antifreeze coolant and filed the radiator and spare ...
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1answer
63 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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40 views

cant squeeze return hoses to the Coolant Reservoir

when the engine goes warm this hose return fluid to the Coolant Reservoir. but the pressure of returning water is very low. this is mean my radiator get stuck? or its okay to return water with low ...
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45 views

Deionized water for batteries and radiators

Confused! Auto parts stores sell deionized water for auto use only; claiming they are prepared solely for this use. Not for human consumption. What do they do differently after making DI water? Are ...
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Hard top radiator hose soft bottom hose [duplicate]

I've been investigating my friends Xterra overheating issue and noticed that after idling for a while the top radiator hoses was rock hard while the bottom one was much softer. Could this be an ...
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1answer
91 views

Honda 2.4 VTEC (2002 CRV): Throwing code P1259 after doing a lot of work on it this weekend

The upper radiator neck broke in half on our 2002 Honda CR-V (2.4 VTEC), which lead to some overheating. It was hot for about half a mile based on her story.. So this weekend I replaced the radiator ...
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27 views

Electrical Issue with over heating-2008 PT Cruiser

In October 2018 I purchased a 2008 PT Cruiser and immediately it overheated as I drove it home (purchased from a no warranty place). I took it to a shop that specializes in radiators and they ...
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1answer
336 views

Ticking and burping noises after valve cover gasket change and radiator issues

I'm a first time driver. Got my (first and only) car, an Acura 99 TL, about 8 months ago with 155k miles. I have driven it for about 9k miles now. Had no issues whatsoever, except for an occasional ...
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2k views

Replacement ford fiesta radiator has extra hose

I own a ford fiesta mk6 car. I recently bought a replacement radiator. Unfortunately I think its for an older model or different variant (ST150?) Is it possible to use the new radiator in my old ...
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1answer
48 views

1997 Nissan what does it mean if there’s steam coming from the hood of the car

After my car has been running for a while and I park I can see steam coming from the hood. It doesn’t stop until the car cools off. I check the radiator it’s full of water/ coolant, overflow is it in ...
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17 views

2002 Honda Accord special edition

Replaced radiator just yesterday. Engine temp gage went past the HOT. The Honda engine isn’t smoking or leaking. Please advise?
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289 views

Smoke coming out from the radiator

I have a 2008 Toyota Auris. Yesterday I was stuck in traffic, and I noticed that the temperature was getting high as time was passing by. At one point I had to stop because the temperature was at its ...
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1answer
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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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2004 grand caravan. Steams near cap

Our caravan steams like it is overheating but its not. We bought a new cap but it still does it. Its right up around the cap somewhere.. Will bars leak seal up that high? Please let me know
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2016 Chevy Trax

I took my Trax in because the heater was blowing cold air. Not overheating, just no heat. After waiting over two hours for the diagnostic, they told me I needed a new water pump. Is that possible? ...
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3k views

Why would the upper radiator hose be hot and the lower radiator hose be cool?

I changed thermostat and heating core. Hoses have been flushed. Truck (2010 Dodge Ram)temp gauge started running hot. Upper radiator hose hot and lower is cool. Is it safe to drive?
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2answers
1k views

Radiator fan not turning on automatically

Make and model: 1999 Opel Corsa 1.3l My radiator fan doesn't turn on automatically when the engine starts heating up. I have to stop the car and physically plug it out to work. Any suggestions on ...
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1answer
194 views

2006 Toyota Sienna overheating and now knocking?

This is my first post so bear with me, please. About a month ago I was given a 2006 Toyota Sienna. The first two weeks it was driving like a dream and very quiet. It has about 350,000 miles. The ...
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3answers
3k 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. ...
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1answer
191 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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55 views

Trying to identify why my car is overheating

Vehicle 2002 Ford Escape XLT 3.0L 6Cyl Troubleshooting completed: Replaced thermostat and housing Coolant Flushed twice Bypassed heater core, using 3/4" brass coupling Replaced Reservoir ...
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1answer
174 views

89 Hiace, Coolant full but when I open the radiator cap its empty? Is this normal?

recently bought a 1989 hiace an im worried if it is overheating. Check coolant level and it is perfect, but when the radiator cap is opened it is dry inside. Very little driving experience. Is this ...
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45 views

Can an air conditioner cooling condenser warp when the engine overheats?

My car blew a head gasket. The workshop is now reassembling it. They've told me that because of the heat when the engine overheated, the air conditioner's cooling condenser has warped and needs to be ...
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1answer
107 views

replacing A/C condenser – without having to drain R134a refrigerant?

The vehicle (Chevy Cobalt 2009) ran over a deer and bent inward the radiator and A/C condenser. I'm going to replace both, however I'm wondering if it's possible to replace the condenser without ...
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1answer
643 views

Overheating as a result of water not returning from reservoir to radiator

Please can someone help me out with this problem of overheating. I had one honda civic 2004 SE that is recently giving me headache in fact I thought of selling the car but I wouldn't like to do that ...
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170 views

2006 Equinox LS. Bottom Radiator hose is cold and no heat!

I've changed the Thermostat in hopes that was the problem but after flushing the system and hooking everything back up the top Radiator hose is warm as usual but the bottom hose will warm up then ...
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1answer
63 views

excessive water (i think, but its dark out) leak and burnt coolant smell

I work approx 30 minutes away from home. when i got home tonight, i noticed a hissing sound coming from under the hood and a thin smoke coming out of the front grill. the vehicle is a 2001 ford f-150 ...
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1answer
548 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 ...
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1answer
16 views

2000 Hyndai Elantra

My car keep over heating. The fans are operational, thermostat has been replaced, new water pump has been put in, hoses and clamps have been replaced and radiator cap is new also the radiator has been ...
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187 views

Cooling fan stuck on radiator shroud, truck overheated, damage?

Recently did a body lift on my 04 Nissan Xterra and had to relocate the radiator down to keep it aligned with the engine/fan. Everything worked well on the road, but after some off-road driving I ...
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3answers
19k views

Car running hot - bottom radiator hose cold

Have a 2009 Subaru Forester XT 5 speed manual. The cars temps are running high. 98c while driving at about 100km/h. Temps will drop to 80c very quickly if the car gets into higher rpms. Ie 4000rpm. ...
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2answers
2k views

Left car running, coolant gone, engine overheated

Car: Hyundai Sonata Hybrid Yesterday, before going into work I forgot to shut my car off. That was at 9am. Around 1pm, I received and email that my car was running so I went out to shut it off. Once ...
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1answer
311 views

Radiator fan only runs when aircon is on, on its own it does not and it boils and spills out

I replaced a relay a couple of months back when even if the car was off it would run till the battery is flat. So now the fan doesn't run till I put aircon on.
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2answers
135 views

Is it possible for air to flow too fast through the radiator? My engine runs hot at 75 mph but not a 60 mph

My vehicle is a '97 Jeep Cherokee XJ with the 4.0L straight-six. I'll try to keep this as short as possible, so I'll just ask that you please assume that there is nothing wrong with the cooling ...
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2answers
6k views

2002 Honda Civic Overheating -

So I have a 2002 Honda Civic Lx. I’m not really too shabby with this car thing. We have changed my thermostat. My dad has replaced one of the hose. The system has been flushed. I don't know what's ...
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1answer
5k 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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1answer
79 views

Resting a radiator on metal brackets

I have recently replaced the radiator in my 2006 Pontiac g6 GTP 3.9L. While installing the new unit I neglected to install the rubber feet between the rad and the frames lower bracket, which the rad ...
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1answer
336 views

When should water pump and radiator be changed

I read that radiators and water pumps should be changed around 60-90k as preventative maintenance. I was looking at getting a golf r32 at about 100k miles. I asked sellers if water pump and radiator ...