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Maintenance & Repair 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
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Replying to: Mr_Shiftright (Aug 02, 2005 5:09 am)
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checked water pump, ok checked thermostat, ok (new) cheked heater core, okthink i have air trapped in system? best way to totally flush system? sounds coming from under dash by heater core? no leakage. any suggestions? |
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Replying to: mellieg68 (Aug 02, 2005 4:49 pm)
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Replying to: masterpaul1 (Jul 29, 2005 5:25 pm) |
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Replying to: mellieg68 (Aug 02, 2005 6:01 pm) Well, look.... chronic overheating is always a TOUGH problem and it needs step by step diagnosis. I could name 20 reasons for overheating, from the obvious to the truly weird. Sounds like you and mechanic have just been throwing parts at it without more methodical thought on the matter. I'd suggest making sure your cooling fan is going on at the proper time, and if that's okay, a radiator flow test and if that's okay a cylinder leakdown test. Since this is a FAST overheat, it has nothing to do with drips here and there. You can also test your coolant for CO gases (combustion gas in the coolant due to bad head gasket or bad head). If your radiator wasn't removed and dunked, it wasn't cleaned.
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...like Barr's Stop-Leak really work or do they do more harm than good? I was about to take this approach to the problem I had with my Brougham, but got scared. I was afraid it would clog the water passages in the block and plug the radiator. I don't think it would've worked anyway after I found out what the problem was. Anyway, how do these products work?
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Replying to: lemko (Aug 03, 2005 9:18 am) |
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my low coolant light stays on but has plenty of coolant? anyone know why? thanks
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Replying to: skeeter2 (Aug 03, 2005 6:43 pm) |
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For the past few months, I've noticed an increasingly strong smell of coolant coming from the hood of my '97 LeSabre, and in cold, damp weather an occasional bit of steam coming out of the grille. My reservoir was recently empy; I refilled it a few weeks ago and it's almost all the way down again. There don't appear to be any physical leaks - no puddles - nor do I believe that I am burning any coolant during combustion (as the smell and occasional steam are coming from under the hood. The heater core does not appear to be the issue, as the smell hasn't reached the cabin except on rare occasions. Would replacing the radiator cap be a good (Read: cheap and potentially effective) place to start? It doesn't appear to be of the venting variety. Thanks. Post-Script: I previously had an '85 LeSabre that blew a heater core and later a head gasket, so don't sugarcoat anything - I've been through the worst!
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