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Nairaland Forum / Nairaland / General / Car Talk / Why Does My Car Overheats When AC Is Switched On? (4096 Views)
My Car Overheats Please Help / My Engine Goes Off When A/C Is Switched On / My Toyota Corolla Over Heats Only When The AC Is On! (2) (3) (4)
Re: Why Does My Car Overheats When AC Is Switched On? by GAZZUZZ(m): 12:39pm On Jun 14, 2020 |
orahfrancis: Francis this sounds like some indaboskey tins 1 Like 3 Shares |
Re: Why Does My Car Overheats When AC Is Switched On? by Praxtech: 12:46pm On Jun 14, 2020 |
GAZZUZZ:Bahoose |
Re: Why Does My Car Overheats When AC Is Switched On? by Praxtech: 12:46pm On Jun 14, 2020 |
orahfrancis:Wrong. Your alternator wasn't optimal. |
Re: Why Does My Car Overheats When AC Is Switched On? by tetralogyfallot(m): 3:23pm On Jun 14, 2020 |
bigx:it shall never be my portion insha'Allah |
Re: Why Does My Car Overheats When AC Is Switched On? by bigx(m): 4:53pm On Jun 14, 2020 |
tetralogyfallot: Correct the abuse so it won't be your portion. The car I've used longest has a single cell radiator, has the thermostat intact and the fan only comes at around 90°. Same engine for the past 6 years, zero overheating, zero issues. |
Re: Why Does My Car Overheats When AC Is Switched On? by tetralogyfallot(m): 5:09pm On Jun 14, 2020 |
chukel:blue baby syndrome ba. No mind me o |
Re: Why Does My Car Overheats When AC Is Switched On? by billy187(m): 7:41pm On Jun 15, 2020 |
Hi! I use the same car, (for about 8 years now) and had the same problem eons ago. Yeah, the high speed fan was going bad. But yeah, you should probably look into putting your thermostat back. your car is probably constantly running open loop and trust me, that makes it horribly thirsty. (I removed the 'stat' once to clean my cooling system) Cheers! 1 Like |
Re: Why Does My Car Overheats When AC Is Switched On? by tetralogyfallot(m): 12:19am On Jun 16, 2020 |
billy187:thanks bro, I'll do just that. But despite removing the thermostat it still doesn't consume much fuel o. 1 Like |
Re: Why Does My Car Overheats When AC Is Switched On? by Nobody: 8:00am On Jun 16, 2020 |
tetralogyfallot:Don't panic bro. Leave it like that as long as your car runs fine. What I do with mine is to allow the engine warm for about 5mins or until the rpm drops to between 1.5 to 1.7 and temperature guage rises a tiny bit before driving off. If you're in a hurry then turning AC on immediately after starting helps to warm up faster. My temp guage has never gone above quarter even with AC in traffic and I like it like that. I used to argue thermostat too before until overheating showed me pepper. If your car is not an over-engineered late model, remove the damn thing. Small price to pay to prevent overheating forever and yes kazeems may be illiterate but in the long run they are a much cheaper alternative to all these google mechanics. 4 Likes 1 Share |
Re: Why Does My Car Overheats When AC Is Switched On? by Itulah(m): 1:36pm On Jun 16, 2020 |
tetralogyfallot: 1 Like |
Re: Why Does My Car Overheats When AC Is Switched On? by chukel(m): 2:51pm On Jun 16, 2020 |
ModelX:you mean after 5mins, your rpm is 1500-1700. There is problem o. 3 Likes |
Re: Why Does My Car Overheats When AC Is Switched On? by Nobody: 3:01pm On Jun 16, 2020 |
chukel:Yes at cold start and idling. I'm good because when I put it in drive rpm drops to 1 on the button. ECU will relearn. |
Re: Why Does My Car Overheats When AC Is Switched On? by chukel(m): 3:06pm On Jun 16, 2020 |
ModelX:that's bad. Your fuel consumption must be high. You see, your rpm is always high trying to compensate for the perpetually cold engine that never gets to optimal temperature. Car will run rich. Fuel consumption will be high. Exhaust will have black soot. Engine is dying gradually. 3 Likes |
Re: Why Does My Car Overheats When AC Is Switched On? by Nobody: 3:21pm On Jun 16, 2020 |
chukel:Wrong. How does slightly high rpm translate to car running rich? Yes it is overcompensating at startup(like any normal car before settling to 1,000) but taking a little longer to warm up, agreed. Fuel consumption is definitely not any higher than before. No black soot. Exhuast steams like a fresh fish. With your analogy then fan should never come on, even with thermostat, if indeed it makes engine perpetually cold never getting to optimal temperature. |
Re: Why Does My Car Overheats When AC Is Switched On? by chukel(m): 3:45pm On Jun 16, 2020 |
ModelX:it's your car. Continue. 1 Like |
Re: Why Does My Car Overheats When AC Is Switched On? by Nobody: 3:50pm On Jun 16, 2020 |
chukel:Stop spreading fear this man. https://www.sunautoservice.com/why-do-cars-idle-at-a-high-rpm-when-its-cold/ |
Re: Why Does My Car Overheats When AC Is Switched On? by chukel(m): 5:40pm On Jun 16, 2020 |
ModelX:like I said it's your car. However, ask yourself what your normal RPM should be. Your car is sick. Again, it's your car. |
Re: Why Does My Car Overheats When AC Is Switched On? by tetralogyfallot(m): 8:20pm On Jun 16, 2020 |
Even with the thermostat been removed there's no any increase in fuel consumption. The fuel consumption remains almost d same. |
Re: Why Does My Car Overheats When AC Is Switched On? by dicksonadams(m): 9:02pm On Jun 16, 2020 |
Omo chichurnchin... You can take a horse to the stream but you can not force it to drink water |
Re: Why Does My Car Overheats When AC Is Switched On? by Bizzyliss(m): 5:31pm On Jun 17, 2020 |
Check ur cooling fan |
Re: Why Does My Car Overheats When AC Is Switched On? by Bizzyliss(m): 5:39pm On Jun 17, 2020 |
chukel:lol instead of 800 1 Like |
Re: Why Does My Car Overheats When AC Is Switched On? by dfos2k(m): 6:32pm On Jun 17, 2020 |
entrep88:wow this is the most knowledgeable car guru in nairaland of recent! Salute |
Re: Why Does My Car Overheats When AC Is Switched On? by dicksonadams(m): 6:47pm On Jun 17, 2020 |
dfos2k: Hmmm. You sure... Deviating from how oyinbo make car and following kazeem recommdation can be a good short term solution, but long term dey get comma most time |
Re: Why Does My Car Overheats When AC Is Switched On? by Elsueno: 8:09pm On Sep 09, 2020 |
As long as ur cooling system is alright, the car will not overheat. PLS DO NOT REMOVE UR THERMOSTAT or connect fan direct, especially if u ain't driving cars made in the 90s, modern cars have sensors, almost everything is connected. Now when ur car ecu gets a reading ur engine temperature is not optimum around 90~100, mostly 90, it will make the car run rich on fuel. Which might end up damaging ur oxygen sensor, catalytic converter and in the long run, d whole engine. My car's fan hardly comes on, it only does when am stuck in traffic. |
Re: Why Does My Car Overheats When AC Is Switched On? by lyort: 1:09am On Sep 10, 2020 |
yes ooo, the stupid car has only one giant power consuming fan in front cooling the radiator, that's why most benzes and bmws carry 100amps batteries tetralogyfallot: |
Re: Why Does My Car Overheats When AC Is Switched On? by adesanyadotun: 8:31am On Sep 10, 2020 |
Elsueno: My camry 10 fans run directly. I called tech to revert back to factory set, he did. We left the car idle for about 18 mins, the fans kicks up as normal. We drove around for about 5 mins. The temp guage a little below half but the car engine compartment and bonet became hot, ac didn't cool again, check engine light came on. I had to tell him to return it back to direct in fear. I just didn't worry since I use ac all at the time and the fans must also run at ac. |
Re: Why Does My Car Overheats When AC Is Switched On? by Elsueno: 12:25pm On Sep 10, 2020 |
adesanyadotun: But that means you dey suppress a hidden something now, anyways as long as you use AC all the time. D temperature will raise to half area and stay at that place( that is if thermostat still dey Inside & fan is direct). so usually they ain't much of a problem. D problem is when you are running cold. waaay below half mark. By the way, sometimes I think i can fry egg on my bonnet, My Ac chills though. |
Re: Why Does My Car Overheats When AC Is Switched On? by 9icetoo(m): 4:24pm On Sep 10, 2020 |
chukel:Big problem. Car is forever struggling to warm up, burning unnecessary fuel, spraying too much fuel into the cylinders, washing off lubrication, fouling the catalyst, exposing the catalyst to very high operating temperatures. The list is endless. Las las, engine or gear go pack. Ladipo go supply replacement and the cycle continues. There is problem oo. 1 Like |
Re: Why Does My Car Overheats When AC Is Switched On? by adesanyadotun: 9:25pm On Sep 10, 2020 |
Elsueno: Fry egg 1 Like |
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