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Car Forum / Chevrolet / Chevrolet Malibu / August 2004Temperature Gauge Fluctuating
2000 Malibu 3.1 , i have the brake and rotor problem just like every owner of this car but the temperature gauge will move slowly over half way of the scale . the fans work and i had the system checked out at the dealer and they found nothing wrong with the cooling system. sometimes the temp gauge will move to about 2/3 of the scale. the gauge has not reach the red mark .I had a new sensor and a thermostat installed the system flushed and bled. i fear the headgasket is culprit.. any help would be appreciated. thanks I have the same problem as you.It stays at half and goes up to 2/3 also. > 2000 Malibu 3.1 , i have the brake and rotor problem just like every owner > of this car but the temperature gauge will move slowly over half way of the [quoted text clipped - 7 lines] > any help would be appreciated. > thanks Sorry sir - but when I read this I was not shocked...we had the exact same problem with our car. I'm not sure if you saw my earlier post in this group but we've decided to get rid of our 2000 malibu. its just causing to many problems for us. > 2000 Malibu 3.1 , i have the brake and rotor problem just like every owner > of this car but the temperature gauge will move slowly over half way of the [quoted text clipped - 7 lines] > any help would be appreciated. > thanks have the alt / and battery tested low voltage from alt was found to be causing a lot of problems on my 1999. eratic guage readings, heat/air control problems, even the blinkers. the computer controls everything on the car electrical and does not seem to like the voltage being below the 13.5 13.6 level new alt and battery gives me 14.4 volts with headlights on. and better, no strange things going on. also the break rotor problem is on more than the Malibu light weight is not the answer > Sorry sir - but when I read this I was not shocked...we had the exact same > problem with our car. [quoted text clipped - 15 lines] > > any help would be appreciated. > > thanks > have the alt / and battery tested > low voltage from alt was found to be causing a lot of problems on my 1999. [quoted text clipped - 28 lines] > > > any help would be appreciated. > > > thanks Hi WcToby, I am in the same shoes as you with my 99 Malibu, except my cooling system acts very violently - it boils over on the speed over 60km/h. I am battling this problem for few last days and also suspecting a head gasket. I will obtain a second opinion from my GM buddies. BTW, what happend with your car, I see your problem goes 3-4 months back. Please respond. Thank you. > > have the alt / and battery tested > > low voltage from alt was found to be causing a lot of problems on my 1999. [quoted text clipped - 36 lines] > happend with your car, I see your problem goes 3-4 months back. Please > respond. Thank you. APPEALING TO THE PEOPLE WITH A SIMILAR PROBLEM! Further to my previous message RE: 1999 Malibu 3.1 L OVERHEATING (cannot go above 60 km/h - boils over), PLEASE, whoever experienced the same problem and fixed or had it fixed, let me know what the cure was. It will help me very much to make a decision and start fixing it. Your help is highly appreciated. Re: Temperature Gauge Fluctuating The only true way to test the head gasket is to do a cylinder compression test.....Usually when a head gasket goes it will heat up no matter what speed your at.....Mostly the telltell signs ove a bad head or head gasket are...Rappid over heating and /or a misfire,or coolant in the oil...Malibu has with the dexcool problems with flow restriction from where the coolant crystalizes in the system over time blocking up the coolant ports....The 3.1 and the 3.4 engines have more problems with intake gaskets than with head gaskets .At least here where im at......If it doesnt topout and boil over at idle it might be something else........Let it idle for about 20 min to a half an hour if it boils over its the gasket if it doesnt you have air entering the system somewhere ,Your stat is sticking,or your fans may not be comming on ....Be carefull Ive been to some shops where they call a coolant flush where they drain your Radiator and just refill it and been done but the oil change guys who are unexperienced ....Which your system really dont get flushed ya just get new coolant in your Radiator.....A good shop can run a flow test where they can tell you how much coolant s pumping incase of a restriction.. I can tell you how to run tests yourself if you need just let me know....Also i can tell you tricks to watchout for when you take it into the shop Steve C Group: alt.autos.chevrolet.malibu Date: Sat, Feb 14, 2004, 12:57am (CST-2) From: paulkay17@hotmail.com (Paul17) paulkay17@hotmail.com (Paul17) wrote in message news:<d8b9d258.0402112305.3627be4@posting.google.com>... "rmlishbrook" <rmlishbrook@sbcglobal.net> wrote in message news:<CadNb.4952$_I5.3201@newssvr24.news.prodigy.com>... have the alt / and battery tested low voltage from alt was found to be causing a lot of problems on my 1999. eratic guage readings, heat/air control problems, even the blinkers. the computer controls everything on the car electrical and does not seem to like the voltage being below the 13.5 13.6 level new alt and battery gives me 14.4 volts with headlights on. and better, no strange things going on. also the break rotor problem is on more than the Malibu light weight is not the answer "gsm junkee" <iknownot@hotmail.com> wrote in message news:2R3Nb.13613$ZuL1.13498@twister01.bloor.is.net.cable.rogers.com... Sorry sir - but when I read this I was not shocked...we had the exact same problem with our car. I'm not sure if you saw my earlier post in this group but we've decided to get rid of our 2000 malibu. its just causing to many problems for us. "WcToby" <nospamrandie@charter.net> wrote in message news:vruudtgd1j874d@corp.supernews.com... 2000 Malibu 3.1 , i have the brake and rotor problem just like every owner of this car but the temperature gauge will move slowly over half way of the scale . the fans work and i had the system checked out at the dealer and they found nothing wrong with the cooling system. sometimes the temp gauge will move to about 2/3 of the scale. the gauge has not reach the red mark .I had a new sensor and a thermostat installed the system flushed and bled. i fear the headgasket is culprit.. any help would be appreciated. thanks Hi WcToby, I am in the same shoes as you with my 99 Malibu, except my cooling system acts very violently - it boils over on the speed over 60km/h. I am battling this problem for few last days and also suspecting a head gasket. I will obtain a second opinion from my GM buddies. BTW, what happend with your car, I see your problem goes 3-4 months back. Please respond. Thank you. APPEALING TO THE PEOPLE WITH A SIMILAR PROBLEM! Further to my previous message RE: 1999 Malibu 3.1 L OVERHEATING (cannot go above 60 km/h - boils over), PLEASE, whoever experienced the same problem and fixed or had it fixed, let me know what the cure was. It will help me very much to make a decision and start fixing it. Your help is highly appreciated. > Re: Temperature Gauge Fluctuating > The only true way to test the head gasket is to do a cylinder [quoted text clipped - 67 lines] > had it fixed, let me know what the cure was. It will help me very much > to make a decision and start fixing it. Your help is highly appreciated. To all folks in this group and any other! I would like publicly thank one of the members, who sacrifizes his own time and makes great effort to help others. His knowledge is superior, his thinking is super logical, his testing and troubleshooting ability is great, and the man himself is brilliant. His name is STEVE C! Why do you think doctors never diagnose patients on the internet or over the phone, without seeing them?!, because it's so much harder. Steve C does diagnose (correctly and exactly) over the internet, so in my professional opinion he is the best doctor, i.e. Car Doctor, he's the best volunteer consultant I've ever seen... So, guys, you would all be lucky if Steve gives you an advice, it'll be 100% right. All the mechanics and mechanically inclined people (do-it-yourselvers) would know the feeling of frustration when the diagnosis is unknown; - very bad feeling. You work and work on testing and finally with Steve's help you find a problem, and now you know what to do..., the feeling changes and you become happy. And I don't have to tell you how you feel when you fix the problem - it is the greatest satisfaction! Majority of people get their good feelings from a psycologist, then Steve C is a psycologist... thanks for the all the info folks. since it's winter time here in west virginia the temperature gauge stays below the halfway mark. i will have the alt and battery tested soon. i do have problems with the head lights flickering sometimes. so that maybe it... thanks > > have the alt / and battery tested > > low voltage from alt was found to be causing a lot of problems on my 1999. [quoted text clipped - 36 lines] > happend with your car, I see your problem goes 3-4 months back. Please > respond. Thank you. any one find a fix yet for this problem? > > have the alt / and battery tested > > low voltage from alt was found to be causing a lot of problems on my 1999. [quoted text clipped - 36 lines] > happend with your car, I see your problem goes 3-4 months back. Please > respond. Thank you. I had a strange thing happen on my 2000 Malibu today. After driving about 15 miles I could smell antifreeze. I was in stop and go traffic. Every time I stopped it would leave a puddle of antifreeze. As soon as I could I pulled into a parking lot and opened the hood. I could see that it was wet around the passenger side motor mount and under the frame on that side. By the time I stopped the low coolant light was on but the temperature was normal the entire time. I went to a nearby store and got some antifreeze, it took almost 1/2 gallon. I was less than a mile from a chevrolet dealer so drove it there. Did not loose any more antifreeze. They are going to look at it sometime Thursday. It looks like it just blew it out the overflow tube but have no idea why. Anyone else ever have this happen? Ron I also have a proble with my 99 Malibu, it has an awfull leak i changed the pump because it was leaking and it doesn't only leak but boils the coolant just as soon as the gauge reachs the half and the fans don't seem to bee running. Any ideas? Thanks. Replace the fan sensor, only with a Delco sensor, no other brand. Off brands seem to be off calibrated. Also, if the cooling system is not building up pressure, replace the radiator cap. These screw on radiator caps may look good, but if they don't relieve pressure after the car has run for a while when you unscrew them, replace the cap. > I also have a proble with my 99 Malibu, it has an awfull leak i changed the > pump because it was leaking and it doesn't only leak but boils the coolant > just as soon as the gauge reachs the half and the fans don't seem to bee > running. Any ideas? Thanks. |
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