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

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

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What is this discussion about? Engine

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#70 of 561 red clay like stuff in radiator by angieatky Jul 23, 2005 (6:59 am)
I have had my car about 4 months and now there is a marroon colored stuff coming out the radiator I check it everyday and it is always a little low and has this stuff. It is thick too. It smears like paint when I touch it. I was just wondereing if it was stop leak and if I flush it out I'm gonna have a hole somewhere. I think it keeps me from filling it all the way up. And thats why its low everyday. Replies to this message: Mr_Shiftright (Jul 23, 2005 9:05 am)
#71 of 561 coolant light flashes by jerryg2 Jul 23, 2005 (7:47 am)
I have a 1998 Pontiac Trans Sport. The low coolant light came on, I added coolant, light went out for awhile - now the light flashes, Did not overheat and does not overheat. Replies to this message: jerryg2 (Jul 24, 2005 8:54 am) Mr_Shiftright (Jul 24, 2005 8:56 am) jerryg2 (Jul 24, 2005 11:14 am)
#72 of 561 Re: red clay like stuff in radiator [angieatky] by Mr_Shiftright HOST Jul 23, 2005 (9:05 am)
Replying to: angieatky (Jul 23, 2005 6:59 am) You should have that checked right away. Could be automatic transmission fluid (your radiator cools your transmission, if you have an automatic). If this is it (just a long guess), that would require a new radiator, and flushing the cooling system and the transmission. Do NOT delay. Find out what this is.
#73 of 561 Overheating on 1998 Sable by southie Jul 23, 2005 (10:31 am)
Recently I flushed the cooling system and changed the thermostat because the indicator was high. It remained midrange until I did serious highway driving. It then went high again. There is proper amount of coolant, in proper mixture, the cooling fan comes on at the right time. Any suggestions? Replies to this message: Mr_Shiftright (Jul 23, 2005 11:20 am)
#74 of 561 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 561 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 561 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 561 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 561 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 561 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.

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