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

552 messages,  Last post on Nov 09, 2009 at 2:10 PM

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

What is this discussion about? Engine

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#74 of 552 Re: Overheating on 1998 Sable [southie] by Mr_Shiftright HOST Jul 23, 2005 (11:20 am)
Replying to: southie (Jul 23, 2005 10:31 am) Okay, overheating at highway speeds only indicates a circulation issue, not a fan issue, since the air flow at highway speeds should be enough to cool the engine even with little fan action.   So you have a clog or air in the system would be my guess. Some cooling systems require an air bleed procedure that must be followed---don't know if this is the case with your car however.
#75 of 552 Re: coolant light flashes [jerryg2] by jerryg2 Jul 24, 2005 (8:54 am)
Replying to: jerryg2 (Jul 23, 2005 7:47 am) Could air in system cause the light to flash and if so how do you bleed the air? Replies to this message: Mr_Shiftright (Jul 24, 2005 8:56 am) jerryg2 (Jul 24, 2005 11:14 am)
#76 of 552 Re: coolant light flashes [jerryg2] by Mr_Shiftright HOST Jul 24, 2005 (8:56 am)
Replying to: jerryg2 (Jul 24, 2005 8:54 am) Well I don't know, each car has a different procedure and I'm not even sure your car requires it. I'm just throwing it out there.   Air in the system will definitely cause an overheat, as this interrupts the flow of coolant. Replies to this message: jerryg2 (Jul 24, 2005 11:14 am)
#77 of 552 Re: coolant light flashes [Mr_Shiftright] by jerryg2 Jul 24, 2005 (11:14 am)
Replying to: Mr_Shiftright (Jul 24, 2005 8:56 am) I developed a big water and steam leak in the area of the water pump. Temp gauge never went above 200 degrees. I know that gauge only senses water temp not steam temp. I drove only about a 1/2 mile before I could park. Having van towed for repair. Ain't like the old days: an air wrench , a little time, few parts and problem solved( not anymore).   I did not think to check for water movement in radiator to make sure pump and t-stat were working when light problem developed, I had no warning except low coolant light. Never had any problems with coolant loss in 7 tears. This problem only existed for two days.
#78 of 552 Coolant pour out from recovery reservoir bootle. by anwer Jul 25, 2005 (11:24 am)
I have Lexus 1993, es 300. After driving on highway for an Hour, when it is parked, the coolant pour out from the recovery bottle. we dont know why does it happen. On highway at 70 M.P.H, when ac is on, engine heating needle goes up, and then we have to turn off the AC and turn on the heating so the needle goes down. Could you please guide us, what could be wrong with the system. Tnaks. Replies to this message: Mr_Shiftright (Jul 25, 2005 2:19 pm)
#79 of 552 Re: Coolant pour out from recovery reservoir bootle. [anwer] by Mr_Shiftright HOST Jul 25, 2005 (2:19 pm)
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 552 Cooling problems by sailoffwithme Jul 27, 2005 (11:02 am)
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 Replies to this message: sailoffwithme (Jul 29, 2005 4:36 am)
#81 of 552 cooling fan by chevycavgirl94 Jul 28, 2005 (1:03 pm)
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 552 coolant reservoir is empty by jmix Jul 28, 2005 (10:29 pm)
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? Replies to this message: masterpaul1 (Jul 29, 2005 5:25 pm) jmix (Aug 02, 2005 7:15 pm)
#83 of 552 Re: Cooling problems [sailoffwithme] by sailoffwithme Jul 29, 2005 (4:36 am)
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

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