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Car Forum / Driving, Maintenance, Tuning / Maintenance and Repair / June 2006Overheating - Fiero GT
Hi - I have a beautiful 1987 Fiero GT (original owner) which (knock on wood) has rarely given me problems - but I a stumped now (probably because I know next to nothing about auto repairs). The problem is overheating as follows: 1) I fill the place (where the thermostat is housed - on the rear engine) with a 50/50 mixture of coolant and water. This is done until it begins to flush out from the radiator (I had already taken the front radiator cap off). 2) I fill the Coolant overflow tank with coolant. 3) After about 5 minutes of driving with no problems - the heating gaige "redlines" - I pull over and it is hissing like it's read to explode. Please note: Nothing appears to be leaking because I always check - I know the original water and coolant is still in there - albeit probably turned to steam. 4) Since nothing was leaking - I assumed it was a bad thermostat so I purchased another one - yet the same problem. 5) I replaced the water pump in 2004 (8,000 miles ago - I drive the car very little) and replaced the radiator in 2001 (19,000 miles ago) - so I would assume it shouldn't be one of those (I hope) Can anyone give me some guidance on what the problem might be. ? Thanks so much in advance. Rick >Hi - > I have a beautiful 1987 Fiero GT (original owner) which (knock on [quoted text clipped - 28 lines] > >Rick What's going on with the cooling fan for the radiator? WTF engine do you have in that car..??????????? The rapid rise to overheating suggests that there is no engine cooling. Are the radiator hoses original? If so, one might be collapsing and blocking the flow. If they are original, they should be replaced. Another possibility is failed engine oil. If you have ANY doubts about the oil, change it. You might want to check that you have the thermostat in the right way around, and that the water pump has not lost its impeller. Dan (This account is not used for email.) > Hi - > I have a beautiful 1987 Fiero GT (original owner) which (knock on [quoted text clipped - 28 lines] > > Rick To all those who have responded: H...@nospam.nix, Dan Beaton, Jim, Marsh Monster, - I thank you very much - Whoever this Glickman in Illinois is - it's a shame he is so unhappy and hateful - bur for the record Mr.Glickman - I have a life.. and recently returned home and am so so sad that a eunich such as yourself who probably has no life and lives on the PC can be placated. I also suggest you watch your tone sonny - Now to the questions I was asked: 1) From Mr. Glickman: What's going on with the cooling fan for the radiator? I have no idea. As I mentioned, I know next to nothing about auto repair - however - below are some detail on repairs that appear (or maybe not) to be relevant to the problem I am having: My mileage is about 118,000: At 113,000 - I replaced the heater core and associated hoses at 105,000 - A new Water Pump/Cooling system fluid exchange at 98,600 - A new Cooling fan motor and Relay switch at 95,000 - A new radiator and associated hoses There is nothing leaking - the hoses and belts seems to be fine and are replaced every other year. The rapid rise to overheating suggests that there is no engine cooling. Are the radiator hoses original? No, the hoses were changed out last summer - in our summer heat 110-120 degrees - they dry up and crack if they (and belts) are not chnaged frequently If so, one might be collapsing and blocking the flow. If they are original, they should be replaced. Please see above Another possibility is failed engine oil. If you have ANY doubts about the oil, change it. I hadn't considered the oil as I have it chnaged every 3,00 - 5,000 miles - however, I will have it changed as you suggested You might want to check that you have the thermostat in the right way around, Please excuse my ignorance on this issue - but I was not aware that there was more than one way to install a thermostat. I just purchased a new thermostat - opened the thermostat cap in the back - slipped the thermostat in - pushed it down with the handle - and turned it a bit till it was somewhat tight. and that the water pump has not lost its impeller. - I plead total ignorance on this as I have no idea what an impeller is - but I will research it and see if I can determine where it is and how to tell if it is "lost". Any suggestions would be appreciated. >3) To Jim: Are you saying that the problem with overheating started when you flushed and replaced the coolant? No - I flused and replaced the coolant some time ago. In fact - about 10 days ago I drove it to California and back with no problems. This overheating just came out of the blue Or are you saying you flushed and replaced the coolant in an attempt to fix the overheating problem? Yes - That is what took place If the former than you probably trapped some air in the head which caused the sudden ride in temperature. 4) To Marsh Monster: What's the chance that the dude was planning on letting the suggestions flow in and checking back later? As happens in these rooms most the time. That way he can weed through the bullshit replies, flaming, and ignorant a.s comments.........like yours. - My compliments to your astute and accurate observation - I am always amused how tough talking and vulgar - little dweebs like Glickdip tend to be hiding behind in cyber space. to the OP....... call around and get a price on a "cooling system" check. $30-$40 is average. Then, you can fix it yourself without having to do a lot of checking. Good idea - Thank you or...... "IF"......your posted facts are correct....... take out the t-stat and see what happens. I did - It ran for 5-10 minues again - and then began to redline - pulling over and stopping - I could hear the hissing of the boiling water in the rear make sure the hoses aren't collapsing. - The Hoses seem ok make sure the cooling fan is operational. - Not sure how to tell . Any advice on how to do so? make sure there's no water in the motor oil. - Not sure how that could have happened - however, I will get an oil change anyway. make sure there's no water coming out the tailpipe. - No water out of the tailpipe - In fact - no water leaks or comes out of anywhere. check for a bad head or intake gasket. - Whoops - No idea what you mean. Is a bad or cracked head what Mr. Glickman has? Is this something I can determine myself The last 2 can be "guessed" at by checking for consistant air bubbles in the coolant with the rad cap off........or, by running the system from a cold start for about 10 minutes and seeing if the rad hoses are unusually firm. Ahh ok - Now I did fill the thermostat intake with coolant without the thermostat in and the cap off. Turning on the engine - the Coolant backflowed initially a healthy amount of coolant right back out I hope my responses helped shed some additional light and hopefuly answered a few of your questions. I appreaciate your assistance very much. As far as Mr. Glickman - another time... another place......sonny boy. -------------------------------------------------------------------------------------------------------------------- -jim > > Hi - > > I have a beautiful 1987 Fiero GT (original owner) which (knock on [quoted text clipped - 28 lines] > > > > Rick ================================================================== >about 10 days ago I drove it to >California and back with no problems. This overheating just came out of >the blue If you know what a radiator fan is...then please take a look at it when your engine temperature is high. It should be spinning at high revolutions per minute. Just keep your hands away from it ( moving part that can damage your hand/fingers ). Use a flashlight to look at the fan blade(s) if necessary, but touch no wires or anything else ( yet ). Lg >As far as Mr. Glickman - another time... another place......sonny boy. I don't think so.... From all your comments below, it appears that you most likely have a leaking head gasket or cracked cylinder head. There is however a slight possibility that there is just some air trapped in the cooling system. Either one of these problems will probably require more experience and expertise than you have in order to diagnose them properly. There are a number of techniques to properly bleed any air out of the system. You could probably do this yourself. Just remove the thermostat and run he engine until it warms up, then after making sure there is no pressure by feeling the radiator hose, remove the filler cap and add coolant until it is full. Repeat this procedure until no more coolant can be added and replace the thermostat. As for checking the head gasket, you should let a repair shop perform a cylinder leak down test on the engine. You should also observe the electric cooling fan mounted on the front radiator to make sure it is opperating whem the engine is fully warmed up. Its failure may have caused the original overheating which in turn may have caused a head gasket to fail.  SignatureKevin Mouton Automotive Technology Instructor "If women don't find you handsome, they should at least find you handy" Red Green > To all those who have responded: H...@nospam.nix, Dan Beaton, Jim, > Marsh Monster, - [quoted text clipped - 133 lines] > > > > > > Rick > >3) To Jim: Are you saying that the problem with overheating started when you > flushed and replaced the coolant? No - I flused and replaced the [quoted text clipped - 5 lines] > If the former than you probably trapped some air in the head which > caused the sudden ride in temperature. You still haven't made it clear what the exact sequence of events are that describe your problem. The fiero because of its unusual design is prone to getting trapped air in the cooling system. That will result in very rapid swings in the temp gauge because the trapped air interferes with the proper operation of the thermostat and temp gauge. and results in sudden surges of coolant in the system. That results in very rapid overheating (gauge suddenly goes to red line). It also can lead to cracked heads or leaking head gasket which can mean that even a tiny leak can make the problem chronic, because air is being pumped into the cooling system whenever the engine is running. Hopefully that hasn't happened yet. To bleed the air out of the system. Take the thermostat out and run the engine for less than a minute then crack the radiator cap briefly and allow air to escape then add coolant at the thermostat opening. Repeat that procedure until no air comes out of the radiator and no more coolant will fit in the thermostat opening. -jim > Hi - > I have a beautiful 1987 Fiero GT (original owner) which (knock on [quoted text clipped - 7 lines] > it begins to flush out from the radiator (I had already taken the front > radiator cap off). Are you saying that the problem with overheating started when you flushed and replaced the coolant? Or are you saying you flushed and replaced the coolant in an attempt to fix the overheating problem? If the former than you probably trapped some air in the head which caused the sudden ride in temperature. -jim > 2) I fill the Coolant overflow tank with coolant. > [quoted text clipped - 16 lines] > > Rick Here we go with another game of pin the tail on the donkey. The lights are on but nobody is home. f.ck him Lg >> Hi - >> I have a beautiful 1987 Fiero GT (original owner) which (knock on [quoted text clipped - 40 lines] >http://www.newsfeeds.com The #1 Newsgroup Service in the World! 120,000+ Newsgroups >----= East and West-Coast Server Farms - Total Privacy via Encryption =---- > f.ck him > > Lg One of your most concise, and accurate, posts, Larry ;>) >> f.ck him >> >> Lg > >One of your most concise, and accurate, posts, Larry ;>) I'm in the 10 ring. Somebody gets the group going with a question and then disappears. Hopefully, this one won't be back. Lg > >> f.ck him > >> [quoted text clipped - 5 lines] > > Lg ========== ========== What's the chance that the dude was planning on letting the suggestions flow in and checking back later? As happens in these rooms most the time. That way he can weed through the bullshit replies, flaming, and ignorant a.s comments.........like yours. any whooooo....... to the OP....... call around and get a price on a "cooling system" check. $30-$40 is average. Then, you can fix it yourself without having to do a lot of checking. or....... "IF"......your posted facts are correct....... take out the t-stat and see what happens. make sure the hoses aren't collapsing. make sure the cooling fan is operational. make sure there's no water in the motor oil. make sure there's no water coming out the tailpipe. check for a bad head or intake gasket. check for a cracked head. The last 2 can be "guessed" at by checking for consistant air bubbles in the coolant with the rad cap off........ or, by running the system from a cold start for about 10 minutes and seeing if the rad hoses are unusually firm. again...... these are the most likely, "if".....your posted symptoms are factual. ~:~ MarshMonster ~takes a hit off his doobie, sips his crownroyal, waits for a bullshit reply~ ~:~ >> >> f.ck him >> >> [quoted text clipped - 47 lines] >reply~ >~:~ Here's your bullshit reply, fuckstick. I asked him/her to check the radiator FAN. Is that hard to do? How f.cking stupid are you anyhow? Nevermind, I think I already know the answer. If you want to sit around here for the next 4 days waiting for this dipstick to lift the hood of his engine, you're in jail, probably for pedophelia. Lg > >~:~ > >MarshMonster [quoted text clipped - 11 lines] > > Lg =========== =========== yep........ that didn't take as long as i thunked it would. ~:~ marshmonster ~takes another hit off his doobie, another sip of his crownroyal.... and wonders if he needs more bait on his hook....... naw......this fish will bite the same bait twice~ ~:~ >> >~:~ >> >MarshMonster [quoted text clipped - 15 lines] > >yep........ So how much time do you have left to do in the Criminal Sex Offender Segregation Unit? > >~:~ > [quoted text clipped - 15 lines] > Lg > m.s. ========= ========= naw........ I think I'll jest spend the next 4 days pulling up your past and chunking it around hyperspace for a while........ ~:~ marshmonster ~takes the last hit off his doobie, sips his crownroyal....... and reaches in his baitwell.......mmm....let's find some fresh stuff for the hook......this fish is big~ >> >~:~ >> [quoted text clipped - 22 lines] >I think I'll jest spend the next 4 days pulling up your past >and chunking it around hyperspace for a while........ Knock yourself out. In fact, shoot yourself in the head. At least I have the balls to use my real name...not a girly man name like *marsh mellow.* f.cking coward. I could kill you with my eyes if you ever met me. Take your best shot. Lg ======= ======= > Knock yourself out. In fact, shoot yourself in the head. At least I > have the balls to use my real name...not a girly man name like *marsh [quoted text clipped - 5 lines] > > Lg ========== ========== MarshMonster Replied: Man..... yer not only fun.............. yer easy............................................ for a bigot!!!! and......what a nasty mouth you have. ........ 11 From: Lawrence Glickman - view profile Date: Fri, Sep 2 2005 9:19 pm Email: Lawrence Glickman <Lawrence_Glick...@comcast.net> Groups: misc.survivalism Not yet ratedRating: show options Reply | Reply to Author | Forward | Print | Individual Message | Show original | Report Abuse | Find messages by this author On Sat, 03 Sep 2005 00:30:47 GMT, "Mysterion" It is no different with a nigger. A nigger is a hornet that hasn't bitten your a.s yet. Once you've been victimized by a nigger, your attitude about *nice hornets/nice niggers* will change forever. "Nice" is a sign of weakness. They only understand the muzzle of a gun. The people who don't know this are the ones who are going to die. Myself, I'm ready and waiting for the f.ckers to make a move. Yours in blood, Lg aka Mysterion's pet kike ========== ========== ~:~ MarshMonster ~sips his mushroom tea........and ponders over stupid fish that bite stale bate, reaches over and gets his dull,rusty gaff hook out~ ~:~ ======== ======== f.ck you pissant . . Hey, Larry duhDickman....... you shore are one racist sumbitch........... ======== ======== > f.cking coward. I could kill you with my eyes if you ever met me. > > Take your best shot. > > Lg =========== =========== From: Lawrence Glickman - view profile Date: Thurs, Dec 16 2004 7:47 pm Email: Lawrence Glickman <Lawrence_Glick...@comcast.net> Groups: rec.autos.makers.chrysler, rec.autos.driving, rec.autos.tech Not yet ratedRating: show options In article <fj94s0108kfjbrnblbu0ufrqunspdao...@4ax.com>, Lawrence_Glick...@comcast.net says: You think so, eh nigger boi? Here is MY address: 733 W Strieff Lane Glenwood, Illinois 60425 Now, nigger, why don't you come and pay me a visit. Be a good chump and bring your own body bag. Lg ========== ========== > Hi - > I have a beautiful 1987 Fiero GT (original owner) which (knock on > wood) has rarely given me problems - but I a stumped now (probably > because I know next to nothing about auto repairs). I dont know whether you have the V6 or the I4 in that car. Perhaps the GT only came with the V6. BUT if you have the four cylinder, there is a fair chance the block is cracked. They were known for that. There are several other possibilities. Hi -- avid Fiero-buff here. The 2.8 engines are not likely to just blow head gaskets without something else failing first. I doubt your original problem was a cracked head or internal engine problem. After several severe overheats though it's hard to say.... Many aftermarket Fiero water pumps had PLASTIC impellers (fan blades, if you will). These were pressed on the water pump shaft & were prone to failure. It sounds like your car is not pumping any water...and since it's not leaking, it could very likely be a pump failure or pinched coolant tube. I'd let the car cool & crank it up with the water topped off, the thermostat removed, & thermostat housing cap removed. You should see water flowing... Also check the coolant tubes that run just beneath the rocker panels of the car. They are thin stainless & can be easily damaged or pinched shut due to someone jacking the car up incorrectly or due to running over something. Good luck! |
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