rollingthunder1994 Posted February 22, 2005 Author Report Share Posted February 22, 2005 Thanks again guy's Like i said before i love this site. Hey I realized when you buy a Caddy kept it all Caddy LOL Jeffrey Link to comment Share on other sites More sharing options...
Ranger Posted February 22, 2005 Report Share Posted February 22, 2005 Those temps sound perfectly normal. I doubt you have any air pocket as the Northstar is self purging. Link to comment Share on other sites More sharing options...
rollingthunder1994 Posted February 22, 2005 Author Report Share Posted February 22, 2005 Well everyone, I thought i was able to put a end to this saga, but i cant. It's doing the same thing it did last week. Sunday thru this morning the temp was no higher the 205-degrees sometimes going up to 225-but then dropping back down to 198-212. Well coming home today on the highway there was a accident so i was in stop and go traffic the temp did not go over 225-degrees fans came on temp fluctuated between 208-221. When i got off the highway temps stayed between 208-212. About 5-minutes from home, temps started climbing up to 245-sometimes 250-degrees. Got home and of course coolant was boiling and leaking out of the overflow tube. Here is a list of what i did to the car since i had it for a year. New radiator last June New water pump & thermostat last August New Water pump belt & serpentine belt last August New Heater Core and radiator cap 2-weeks ago also took off the tank on the side and flushed. New water pump tensioner pulley and another new water pump belt last week. Changed the thermostat again on Saturday. There is no oil in the antifreeze, or antifreeze in the oil. I guess i'm going to try the water pump again. The one i put in in August was from Auto Zone. I'll try one from Caddy this time, what else can i do. N Link to comment Share on other sites More sharing options...
Scotty Posted February 23, 2005 Report Share Posted February 23, 2005 That is very odd I must say, if anything you should have boiled over in the accident traffic. The NEXT time you go to 240 look at your fans. Its possible that you have intermittant fans. I had a fan on my 91 that was turning but it did not turn strong or fast at all it was really weak, I had to replace it.. Look at your fans closely the next time it gets hot. Maybe you have a bad fan relay that is not putting your fans into HIGH!!! Is there a spring in the hose that lead to the pull side of the water pump, does anyone know that? I have seen the springs rust, and allow the hose to collapse even partially starving the engine of coolant. Just a thought PS, I dont think its your water pump..... aftermarket or not, don't start replacing parts. You may want to do a cooling system pressure test. Link to comment Share on other sites More sharing options...
rollingthunder1994 Posted February 23, 2005 Author Report Share Posted February 23, 2005 Hey Scotty, What i was thinking about doing was replacing all of the small 3/8 and smaller hoses. When i changed the thermostat i did not see a spring in the lower hose. I did not check the top one. When i did squeeze it though, it did not feel like there was a spring in it. I'm trying to stay away from the head gasket idea. I figured if it was the head gasket, it was overheat all the time. Link to comment Share on other sites More sharing options...
Scotty Posted February 23, 2005 Report Share Posted February 23, 2005 It will overheat under a load. What kind of roads are you on the last 5 minutes of your trip? Are you uphill? How sure are you that your water pump belt and tensioner are doing there job? Mike Link to comment Share on other sites More sharing options...
rollingthunder1994 Posted February 23, 2005 Author Report Share Posted February 23, 2005 Hey Scotty, Your from long island just like me. I take the northern state to and from woodbury everyday. I live in elmont, so in the evening when i come home to beat some traffic, i get off a hempstead tpke near EAB, and take that all the way home. I'm going to let it sit for the rest of the week and drive the wife car. Early saturday morning, i will be knee deep into it again Link to comment Share on other sites More sharing options...
rollingthunder1994 Posted February 23, 2005 Author Report Share Posted February 23, 2005 P.S. The tensioner and the belt are brand new, picked up the tensioner from the dealer last wednesday. The belt from Pep Boys the same day. Link to comment Share on other sites More sharing options...
Scotty Posted February 23, 2005 Report Share Posted February 23, 2005 Hey Scotty, Your from long island just like me. I take the northern state to and from woodbury everyday. I live in elmont, so in the evening when i come home to beat some traffic, i get off a hempstead tpke near EAB, and take that all the way home. I'm going to let it sit for the rest of the week and drive the wife car. Early saturday morning, i will be knee deep into it again That is very odd. Not many hills on Long Island, I missed that you were from LI... Link to comment Share on other sites More sharing options...
rollingthunder1994 Posted February 23, 2005 Author Report Share Posted February 23, 2005 Hey All, It's me again. Could it be possible that air is still trapped in the line? My reason for asking is because as i mentioned in my previous post about the overheating again after a couple of day's. Well this morning before going to work, i took the wife's car today. I decided to open the cap on the tank. It was bone dry. There was no antifreeze on the ground. All the time when i was driving home yesterday when the temperature was rising, i did not smell any antifreeze, and the carpet was dry. I think i still have some sort of air pocket that just won't leave. I'm going out now to fill the tank back up, and will let you know what happens. Link to comment Share on other sites More sharing options...
Scotty Posted February 24, 2005 Report Share Posted February 24, 2005 Hi, do you have water vapor coming out of the exhaust? I would fill it up with coolant, and let it idle and keep and eye on it. Mike Link to comment Share on other sites More sharing options...
rollingthunder1994 Posted February 24, 2005 Author Report Share Posted February 24, 2005 No water vapor coming from the exhaust. all i see and smell is gas fumes. Link to comment Share on other sites More sharing options...
Scotty Posted February 24, 2005 Report Share Posted February 24, 2005 No water vapor coming from the exhaust. all i see and smell is gas fumes. Thats good then Maybe you did not have the radiator full from all of the work you did. Do you have a manual? Link to comment Share on other sites More sharing options...
rollingthunder1994 Posted February 24, 2005 Author Report Share Posted February 24, 2005 Only the Chilton and Haynes manuel's. I going to go on line and order the manuel. I believe it's going for around $30-$40 dollars now. I think its worth it, because i plan on keeping this car until it falls apart. Link to comment Share on other sites More sharing options...
Ranger Posted February 24, 2005 Report Share Posted February 24, 2005 The Northstar is self purging so it is unlikely that it has an air lock. Link to comment Share on other sites More sharing options...
james thomas smith Posted February 24, 2005 Report Share Posted February 24, 2005 Why don't you try some timeserts in your engine, maybe that will work? Link to comment Share on other sites More sharing options...
Scotty Posted February 24, 2005 Report Share Posted February 24, 2005 He's BAAACCCKKKK Link to comment Share on other sites More sharing options...
Barry94 Posted February 24, 2005 Report Share Posted February 24, 2005 Why don't you try some timeserts in your engine, maybe that will work? I'm not choosing any sides here, however, I had an over heating problem and have done all the things rollingthunder1994 tried. I finally followed bill bbobynski suggestion and pressurized each cyl and listened for bubbles in the coolant. And yes, #7 cyl would provide a steady string of bubbles in the coolant when pressurized with 125 lbs of air. NOTE: No visable bubbles in the expansion tank, just the sound. I had the dreaded head bolt pull problem. (Needed Timeserts) I've been following this thread with interest hoping you will find a simple solution. I think it's getting near the time to pressurize the cylinders and know for sure if you have a head gasket problem or not. In my case I drove the car six months with the problem. I carried a jug of antifreeze with me and didn't push it on the hills. Also, I never did have any vapor or smell out the exhaust that indicated a head gasket problem, just overheating and using antifreeze. I hope this is not your problem, however it looks like you are running out of things to try. Barry 2008 STS V82016 Colorado Z711970 Corvette LT-1 Coupe Link to comment Share on other sites More sharing options...
Scotty Posted February 24, 2005 Report Share Posted February 24, 2005 Barry, I spoke to this fellow on the phone last night and suggested that he purchase a cooling system pressurization pump and pressurize the cooling system to 15 or 16 pounds and see if he looses pressure or if he spots any leaks. Given the recent problems we have seen with the heater piping I am keeping my fingers crossed... There are a couple of interesting aspects to this story, the prior owner used huge amounts of sealant so much so that there was heavy sediment in the radiator and heater core and it wasnt the recommended cooling supplement.. He has replaced lots of parts including the radiator, heater core, water pump, stat... Mike Link to comment Share on other sites More sharing options...
james thomas smith Posted February 24, 2005 Report Share Posted February 24, 2005 I am keeping my fingers crossed... There are a couple of interesting aspects to this story, the prior owner used huge amounts of sealant so much so that there was heavy sediment in the radiator and heater core and it wasnt the recommended cooling supplement.. He has replaced lots of parts including the radiator, heater core, water pump, stat... Mike You can cross your fingers, arms, legs, eyes, it doesn't matter. The first step to recovery is admitting you have a problem. There is nothing interesting about any aspect of this story except the fact that this poor guy was optimistically led on a wild goose chase in the first place. Optimism works best when tempered with realism. Link to comment Share on other sites More sharing options...
Scotty Posted February 24, 2005 Report Share Posted February 24, 2005 Well James Thomas Smith you may be right. While I hope it's not true, it may turn out that this guy has a head gasket problem, and you would be 100% right. Congratulations, but so what? Given that we did a survey here and less than 10% have had head gasket problems, if you are right, that would make you especially good. Stick your chest out, feel like a man now? See, you see the glass as half empty and I see it as half full, that is where we differ. I don't revel in other's peoples problems you do and you are closed to change and information. If you keep lurking in that crack and popping out when some poor guy has a problem, someday you will be right again. In the meantime, I am enjoying my 96 Northstar, thank you very much... Link to comment Share on other sites More sharing options...
james thomas smith Posted February 24, 2005 Report Share Posted February 24, 2005 Spare me. Link to comment Share on other sites More sharing options...
james thomas smith Posted February 24, 2005 Report Share Posted February 24, 2005 Given that we did a survey here and less than 10% have had head gasket problems. Whoopie, I like those odds. 1 in 10 have head gasket problems. I wonder if GM could use that stat as a sales pitch. I see why you feel so good about your survey. 1 in 10, 10 in 100, 100 in 1000, 1000 in 10000, 10000 in 100000, I feel better already. Thanks Scotty. Link to comment Share on other sites More sharing options...
Scotty Posted February 24, 2005 Report Share Posted February 24, 2005 If we listen to you 90% have problems. Personally I think its more like 5%. What exactly is your point anyway, why do you continue to come here? This will be my last communication with you, I have better things to do. Link to comment Share on other sites More sharing options...
PAUL T Posted February 24, 2005 Report Share Posted February 24, 2005 The one in the bottle with liquid in it and pellets. I did put it in the overflow tank this was about a month ago. I just took off the tank and saw the goo caked up in the bottom of the tank. Do you think the thin line running under the intake is clogged. If so how do i unclog it. If it was clogged i would think that i would not get heat at all. You mentioned in one of your posts that you were going to try to rod out the 3/8" line that goes under the intake manifold. Did you? On my 94 Concours the metal line that goes to the waterpump will come out if you remove the metal northstar label, it just clips in place. If you have problems getting the metal plate off just loosen the 4 bolts in the top of the manifold just enough to pull the tube out. Those 4 bolts will allow you to lift the whole manifold assembly up. Doesn't that line allow the air in the system to escape into the surge tank? I would pull it off at the waterpump and blow air into it to make sure it was not clogged. Link to comment Share on other sites More sharing options...
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