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Questions tagged [cooling-system]

System which removes excess heat from liquid cooled internal combustion engine. It also helps maintain the engine temperature at a consistent level. The cooling system encompasses the radiator, water pump, thermostat, hoses, heater core, overflow reservoir, and anti-freeze (or coolant).

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2004 Saturn Ion Quick Connect from OEM

I've purchased a new radiator for 2004 Saturn ION and it came with quick connect fittings. My oil cooler lines require thread connect. Is there a way to switch them to quick connect, or is there a ...
ReeSSult's user avatar
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4 votes
0 answers
121 views

Why do so many diesel engines have problems with aluminum oxide in the cooling systems?

I have a bad case of aluminum oxide contamination in my 98 Mazda 626's cooling system. While researching the subject, and filtration solutions, I noticed that this type of problem is very common ...
Robert S. Barnes's user avatar
4 votes
0 answers
544 views

2005 Pontiac Grand Prix overheating

I have recently bought a 2005 Grand Prix V6 non supercharged. It overheats at idle and in park. I have had my head gasket and head resurfaced at Pepboys and replaced my radiator with a larger 1 inch ...
Tim Williams III's user avatar
4 votes
0 answers
162 views

Honda Civic 2002 Coolant sprinkles back from Rad cap

I am having issues with this car, so I am reaching out to masses out there who could share some of their wisdom to help me understand the actual issue with this car. It has 262K miles on it. Issue ...
user3400309's user avatar
3 votes
1 answer
72 views

Radiator cap, / coolant flange and battery drainage issues

I wanted to enquire regarding some work that my mechanic carried out recently. All issues appear to be resolved now but I need to assess what happened at each stage. Apologies in advance for the long ...
Christianp's user avatar
3 votes
0 answers
419 views

Cooling system blockage in block or heads?

Hot water is entering the passenger side of the radiator, but no hot water is entering the inlet side of the radiator. I've replaced the radiator, water pump, and thermostat. The truck is a 1994 ...
John Leisten's user avatar
3 votes
0 answers
72 views

1998 Grand Cherokee 318 V8 losing coolant

I am constantly having to add coolant to my 1998 Grand Cherokee (318 V8); about 1L every couple of months or few thousand km. Exhaust is clear, consistently passes emissions tests, no puddles where ...
Anthony X's user avatar
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3 votes
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Coolant loss out of overflow of an 1980 c-10

I have an 1980s Chevy 305 engine. Was out for early morning breakfast and noticed coolant was coming out of overflow tank. The motor had not gotten warm yet. What could be causing it to overflow???
charles Leaver's user avatar
3 votes
0 answers
491 views

Changing Freeze Plugs on a Mazda 626

On a 98 Mazda 626 4 cylinder 2L engine where are the freeze plugs and how hard is it to replace them?
Robert S. Barnes's user avatar
2 votes
0 answers
21 views

Replace radiator

In changing a radiator in a 2005 GMC Canyon with a 3.5, 2 wheel drive. Can I get the radiator out without opening any lines on the AC unit. Can I get the AC condenser off the radiator without opening ...
Jeff's user avatar
  • 51
2 votes
3 answers
123 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 ...
sc00t's user avatar
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2 votes
0 answers
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Why may heating gradually stop after some time driving (and doesn't work in passenger side at all)?

This is a somewhat strange problem. Heating (in driver side) seems to work normal - after somewhere between 15-25 mins. driving or so, it gradually stops working. The warming in passenger side doesn't ...
darune's user avatar
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2 votes
0 answers
58 views

94 Chevy k1500 5.7L coolant gushing

I have coolant gushing out of the bell by the firewall. I replaced the heater core (luckily very easy in this truck). There are no leaks other than from that peep hole. Not on the floor boards and not ...
Matt M's user avatar
  • 21
2 votes
0 answers
73 views

Fan not working and overheating for my Saturn

I currently have a 2003 Saturn lw200 2.2l and recently discovered it overheating and found that fan has not kicked on. I was conflicted and did some research and found out about troubleshooting the ...
Johnny's user avatar
  • 21
2 votes
0 answers
150 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 ...
Kirk's user avatar
  • 121
2 votes
1 answer
2k 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 ...
Dumb Engineer's user avatar
2 votes
1 answer
2k views

Overheating 2009 Nissan Cube

I have a 2009 Nissan Cube. A few weeks ago the car overheated and I realized that it was out of coolant. I added coolant and a week later it overheated again. I realized that the Radiator was leaking ...
Monique  Martinez's user avatar
2 votes
0 answers
106 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 ...
WeakMech's user avatar
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2 votes
0 answers
144 views

oil in my cooling system liquid is my TURBO damaged

I have a kia forte 5 sx 2016 with about 31000 miles on it. Last week the 4 spark plugs broke. I've got them changed under my guarantee. I knew something was wrong but the dealer didn't want to look ...
cedric's user avatar
  • 21
2 votes
0 answers
44 views

Cooling fans only work normally with cabin fans on

2003 civic EX 1.7L automatic Hello, I am trying to help my friend with a really weird cooling fan issue. The cooling fans were not coming on and while sitting in traffic the car would overheat. ...
Rboreal_Frippery's user avatar
2 votes
0 answers
138 views

Can a bad coolant temperature sensor or a bad wheel bearing hub cause my check transmission light to come on?

I have an 05 Ford Explorer Eddie Bauer. The check transmission light will come on and the o/d light will flash after driving it for a while. I know my rear hub needs to be replaced, but recently was ...
Annette's user avatar
  • 21
2 votes
0 answers
115 views

coolant fans on 93 cadillac seville are not working

i tested the fans , they work ok, 50 amp fuse is ok and tested for power to it. ok, digital display is showing temperature as it rises, hit 220 and the fans do not come on....is there a relay ...
Bill Workman's user avatar
2 votes
3 answers
4k views

Pontiac Grand Prix 2007 engine hot at idle

I noticed lately that on my dash engine heat goes close to hot but never really gets there. That usually happens when i am in idle. When i start driving it goes back to normal and only sometimes goes ...
Stribor K's user avatar
1 vote
1 answer
25 views

How do I burp a 2006 Subaru Forester?

2006 Subaru Forester cooling system issue. Fans next to radiator work when A/C is turned on. No heat coming from Heaters . No leaks. A/C recently re-gassed. Alerted to the problem when radiator boiled ...
MotoNeck's user avatar
1 vote
1 answer
43 views

Car is running hotter after new radiator install (thermo fan coming on later)

I noticed there was a small crack in the radiator of my 93 VW Golf/Rabbit Cabriolet. So I ordered a new one and installed it. However, the car seems to now run hotter - or, at least, the thermo-fan ...
MeltingDog's user avatar
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1 vote
1 answer
839 views

What happens if I mix green and orange coolant in a 2008 Chevy cobalt?

It’s a 2008 Chevy cobalt ss. I recently bought the car from a friend, and it sat for awhile before I bought it. I’m now trying to update all its needs, and I wasn’t sure what coolant was in it to ...
Harley Othersen's user avatar
1 vote
0 answers
268 views

Lexus ES330 - cooling fans not coming on, there is a disconnected cable but I can't determine where it goes

The car is overheating and I've found that the fans do not turn on. After checking fuses/relays I found the plug in the attached picture was not connected. However, I can't figure out where the male ...
Chris Rockwell's user avatar
1 vote
2 answers
170 views

Truck is overheating only while idling

My Problem 2011 Chevrolet Truck Silverado 1500 WT 2WD 4.3L FI OHV 6cyl is overheating while idling. It takes about 2-3 mins, so drive thrus and multiple red lights back to back are the main culprits. ...
Daniel's user avatar
  • 111
1 vote
1 answer
67 views

Chev Spark 1.2 using water , no leaks evident. Car runs fine and driving in 30° c heat.hecked all over. Car runs fine

Cooling system using liquid daily. No leaks evident n car runs fine.
Stones Steenkamp's user avatar
1 vote
0 answers
699 views

Can I add food coloring or color dye to the cooling system? (UV dye won't help my situation)

Context: My 2004 Dodge Neon's transmission cooler failed, causing the transmission fluid and antifreeze to intermix in both systems. I replaced the radiator, thoroughly flushed the cooling system, and ...
Ishmael's user avatar
  • 23
1 vote
0 answers
254 views

Is it damaging to a hybrid's gasoline engine to let it rev high before it warms up?

Generally, it is not a good idea to let an engine reach high RPMs when it is cold. The potential issues with a cold engine under full throttle are well documented. I have a Fusion Energi and the car ...
Poisson Fish's user avatar
  • 2,055
1 vote
0 answers
17 views

03 Blazer 130,000 miles

Hey guys in need for some serious help. After spending 2000 on repairing my 6 MO. Old truck (and not to an acceptable standard), i have a crack down the plastic part that holds in my radiator and im ...
Heather Ford's user avatar
1 vote
0 answers
99 views

1976 Leyland Mini engine block coolant is blocked

Was doing routine radiator flush after engine overheated while on longer trip. Hasn't overheated on around town trips. Radiator coolant was clear green with no lumps or other material coming from ...
Peter's user avatar
  • 11
1 vote
0 answers
1k views

temperature gauge on my Ford Focus keeps dropping to 1/4 when temperatures outside at below freezing

I have had my car into a mechanics shop under warranty numerous times over a 3 week span. My first initial problem was that my temperature gauge went from sitting in the normal spot (half way on the ...
Donna Grant's user avatar
1 vote
0 answers
75 views

Car not staying warm in gear

I have a crystler 2013 town and country van. I changed out the thermostat and flushed the coolant. It will start to heat up in park but when you put in gear to drive only maintains heat for 10 miles ...
Travis Maddas's user avatar
1 vote
0 answers
567 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 ...
ajayel's user avatar
  • 484
1 vote
0 answers
121 views

Nissan Versa 2007 Coolant Change Problem

So I changed my coolant, online it said I need 6 ltr but it only took 5 and that was including filling the overflow tank to the max level, I had it jacked one side high and tried to burp it. I took it ...
Tony M's user avatar
  • 11
1 vote
1 answer
356 views

2011 Chevy Silverado Engine Temp Fluctuates when cabin temp set high

I have a 2011 Chevy Silverado 2500 with a 6.0 L. I never noticed this before because I was living in the south and never really had to increase my cab temp too much. Well I just moved to northern MI. ...
Brett Miron's user avatar
1 vote
0 answers
41 views

Engine coolant not hot

Recently bought a 85 bronco ll with a 2.8 motor. Engine coolant won't reach normal temp. Changed the thermostat, flushed and refilled coolant, but still had the same problem. Replaced radiator cap, ...
Mike pannell's user avatar
1 vote
0 answers
259 views

Overheating 2008 Subaru Outback

I have a 2008 Subaru Outback it started overheating and we change the thermostat and it continued to overheat even after burping it so we changed the radiator and all of the hoses got a new radiator ...
Tiffany Rumsey's user avatar
1 vote
0 answers
442 views

Vibrate with humming sound

I recently notice there is vibration with humming sound coming from my 2017 Nissan Pathfinder. When I start the car and leave it idle I don't hear any vibration with humming sound from front driver ...
Sunny's user avatar
  • 11
1 vote
0 answers
64 views

Faulty cooling system but not overheating

I've got a Peugeot 2.0L HDI 2003 over the past several months I've had issues with the cooling system, it hasn't overheated until recently but has had other issues. It first started showing signs ...
Ade Harris's user avatar
1 vote
0 answers
118 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 ...
Jordan Jordanovski's user avatar
1 vote
1 answer
3k views

Honda civic 03 overheating, checking the cylinder head and block for cracks?

I have 150k on my 03 Civic it has overheated several times. I can drive the car around town without it overheating, but when I drive it on the highway for an hour and it will overheat. I thought I had ...
yre's user avatar
  • 163
1 vote
0 answers
764 views

Help! Too much pressure in cooling system

So I have a 1980 Buick regal with a Pontiac 265 v8 mated to a th200.. I am having issues with the cooling system. I have replaced a dozen thermostats and 3 radiators. and 3 aftermarket coolant temp ...
Chris Benner's user avatar
1 vote
0 answers
115 views

Radiator Fan On to Off Ratios by Temperature and Humidity

In an answer to another question, @FredWilson made the following comment: At idle expect to see the fans off much longer than they are on in a normal system. The ratio of off to on depends on ...
Robert S. Barnes's user avatar
1 vote
0 answers
72 views

97 Suburban overheating

Lower radiator hose is hot upper radiator hose is cold and thermostat has been removed but it still overheats, water boils out when the radiator cap is removed. It overheats while not moving, as well ...
Scott K Strong's user avatar
1 vote
0 answers
1k views

Found a cut hose

My 1992 Lexus ES300 has been leaking fluids really bad lately, which it never did. I believed some foul play was involved due to certain individual whom I live with. Anyhow yesterday I was just ...
nykam's user avatar
  • 11
1 vote
0 answers
181 views

2005 Subaru Legacy Outback 3LR g H6

Tried burping radiator with no success. Water boils out but temp gauge reads normal??? 2005 Subaru Outback 3.0 H6.
pissedoffwoman's user avatar
1 vote
1 answer
151 views

Engine Runs Cold Nevers warms up above 1/4 way. 1995 Chevrolet G20 4.3L V6

1995 Chevrolet G20 3/4 ton Van 4.3L V6. The van never runs any warmer than 1/4 on the instrument panel. I have replaced the thermostat twice. Same issues. I have replaced the temperature control ...
Nathaniel Beaston's user avatar