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Cooling Systems -- Problems & Solutions (Radiator, Fan, etc)

561 messages,  Last post on Nov 12, 2009 at 1:37 PM

You are in the Maintenance & Repair Forum. Your Host is mr_shiftright

What is this discussion about? Engine


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#79 of 561
Re: Coolant pour out from recovery reservoir bootle. [anwer] by Mr_Shiftright HOST
Jul 25, 2005 (2:19 pm)
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Replying to: anwer (Jul 25, 2005 11:24 am)

Sounds like either a clogging radiator and/or your electric cooling fans are not going on. On many cars, turning on the AC turns on an additional cooling fan. If your car has two electric cooling fans, one should go on when the AC goes on.
#80 of 561
Cooling problems by sailoffwithme
Jul 27, 2005 (11:02 am)
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HI I am new here.
 
I have a 1995 c280 mercedes and it's having a cooling problem every time I park the car it sounds like the engines is boiling over and water comes out he over flow tube from the radiator cap. The temp gauges reads normal and it dose not matter if it's how outside or cold it still loses water. Any ideas?? I just got the car this spring. The electric fans come on and but it never gets hot enough to turn them on normally the gauges all read normal. the car has 220 thousand miles on it.
 
thanks
#81 of 561
cooling fan by chevycavgirl94
Jul 28, 2005 (1:03 pm)
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I have a 94 chevy cav 4 cyl. i had a leak from the radiator hose to engine. ( fixed it) now the fan wont turn on. can't disconnect it. it wont come off, and don't know where the relay is or the fuse? PLEASE HELP
#82 of 561
coolant reservoir is empty by jmix
Jul 28, 2005 (10:29 pm)
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I own a hyundai accent 95 model (used car). As part of its routine maintenance check, I had oil change last July 19, 2005 and regular flushing and refilling of the radiator coolant.
 
However, when I inspected my reservoir the next day, it was already empty. I checked on the radiator and it was still full (green in color). I don't understand it. The reservoir was full when I had it refilled. There was no sign of leak, otherwise, the radiator would have also been empty - but it was still very full.
 
By the way, I used Jumbo Coolant. It didn't mention about the mixing procedures. But what my mechanic did, was to fill up the reservoir of pure coolant, and then applied 50/50 formulation of coolant and water in the radiator. What went wrong?
#83 of 561
Re: Cooling problems [sailoffwithme] by sailoffwithme
Jul 29, 2005 (4:36 am)
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Replying to: sailoffwithme (Jul 27, 2005 11:02 am)

Hey
 
I fixed it I got a new radiator cap seems to solve the problem....woohooo
#84 of 561
Re: coolant reservoir is empty [jmix] by masterpaul1
Jul 29, 2005 (5:25 pm)
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Replying to: jmix (Jul 28, 2005 10:29 pm)

It is very well possible that not enough coolant was in the cooling system. You have to remember that the coolant goes from the radiator thru the bottom radiator hose, thru the water pump, thru the engine, thru the heater hoses and core, then back thru the top radiator hose into the radiator. I'd say check to see how much coolant your mechanic put in and see if that's what your cooling system holds. It sounds like there wasn't enough coolant in the radiator so it pulled all the coolant from the reservoir. Did you ever notice if the temperature gauge was at a steady temp. or kept moving up and down?
#85 of 561
1989 Cadillac Coolant Leak by lemko
Jul 30, 2005 (8:47 pm)
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I don't know if this is the proper place to ask this question as I cannot find the "Add Discussion" link.
 
My 1989 Cadillac Brougham (RWD) apopears to have developed a significant coolant leak. The car runs fine and doesn't appear to overheat. I have seen a small puddle of coolant on the floor of my garage and the leak appears to be coming from a spot between the rear edge of the oil pan and the leading edge of the transmission bell housing.
 
What is wrong?
What are the best-case and worst-case scenarios?
What must be done?
How much will this repair cost?
 
The car is in otherwise extremely good condition so I want to keep it regardless of it's age. Any help will be greatly appreciated!
#86 of 561
Re: 1989 Cadillac Coolant Leak [lemko] by Mr_Shiftright HOST
Jul 30, 2005 (9:06 pm)
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Replying to: lemko (Jul 30, 2005 8:47 pm)

There's really nothing back there but maybe a freeze plug. Are you sure it's not just a heater hose or something that connects to the firewall at the back of the engine and is dripping onto the engine/trans? If there were a freeze plug at the rear of the engine (just guessing there is one), that would be rather nasty to replace---maybe you could access it by dropping the trans off it's crossmember and tilting the engine backwards.
 
Do you live in a climate that has freezing temperatures any time of year?
#87 of 561
Re: 1989 Cadillac Coolant Leak [Mr_Shiftright] by lemko
Jul 30, 2005 (9:56 pm)
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Replying to: Mr_Shiftright (Jul 30, 2005 9:06 pm)

I live in Philadelphia and we do get freezing temperatures from about November through the middle of March. However, the car is kept indoors in a heated garage that is part of my house.
 
I don't see the classic sign of a blown head gasket - plumes of white smoke. I hope that this isn't, God forbid, a cracked block! I love this car and would foolishly spend a ridiculous sum of money on it regardless of my better judgement.
#88 of 561
Re: 1989 Cadillac Coolant Leak [lemko] by Mr_Shiftright HOST
Aug 01, 2005 (7:10 am)
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Replying to: lemko (Jul 30, 2005 9:56 pm)

Blown head gaskets don't necessarily put coolant into the combustion chamber...they can leak externally, depending.
 
I wasn't thinking "cracked block" but rather that the freeze plug might have been pushed a little over the years....also, they just corrode over time.
 
Anyway, maybe you should have your cooling system pressure tested--that often reveals problems. Under pressure, and with the aid of a lift and/or good lighting, you might be able to spot the problem.

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