How to Troubleshoot a Bad Thermostat
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- Опубликовано: 4 июн 2024
- How to Troubleshoot a Bad Thermostat. How to Diagnose and Test Thermostat's to see if its bad. Symptoms of a Bad Thermostat. How to tell if you need to replace your thermostat. How a Thermostat Works. Signs of a bad or failing thermostat. If your car or truck is overheating you should test this first. How to test if your thermostat is working properly. Does your thermostat work Properly. Where is the thermostat located and how to test it.
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I assume no liability for anything you choose to do to your own car. Due to factors beyond my control, All Repairs you perform to your car are performed at your own risk. I assume no liability for property damage or injury incurred as a result of any information contained in this video. Use this information at your own risk. 
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I personally think it's amazing how they come up with these ideas for these products
Very informative and well explained, thank you!
Awesome visual. Seeing one open was clutch.
Very informative and helpful. Never knew the function of a thermostat.
Thank you great Video, this will help me to replace thermostat on toyota sienna
a great video - well made
Must see thermostat video
Good job
dumps into overflow jug upon shutting down after running while..thoughts? plz
very imformative, thanks. I've been noticing that my coolant has gone low a few times in the last 6 months for no apparant reason. Havn't really smelled a leak from the hoses or checked under car to see if it's leaking out, but now even after filling it up my car is running hot very shortly after starting to drive. My guesses are temp sensor, thermostate or water pump. It's a piece of crap 2017 mercedes e300 and i've literally replaced almost every part. Any ideas where to start i don't want to bring it to dealer. One other thing, it also gives me trouble starting it at times. It'll just turn over but not start. Thanks.
neither of my heater core hoses warm up & it never throws any heat...thoughts? plz
very good explanation
Thank you🙂
my top hose of the radiator is very hot and the bottom hose is cold what's wrong?
Thankth!!!
Great explanation sir
Thank you🙂
I've had My 2011 pk ranger 4wd xlt 3.0td for about 4werks and have notice it has always got a cold bottom hose. Usualy I'd think the thermostats or waterpump stuffed ,the temp gauge sits nicely just under half no matter what I'm doing, so I'm starting to think its just that good at cooling the water as it passes through the radiator 🤷♂️. Tell me how the top hose gets hot water in it if the thermostat is stuck closed?
well the coolant from the engine block does heat the coolant from the radiator its just not circulating from engine to radiator back to engine around as it should if the thermostat stays closed
What about if the temperature is goin all the way up where it should be. That could also be the thermostat?
Means that the thermostat isn’t opening properly. The fluid isn’t passing through properly enough to keep the engine cool. You need to replace it.
My thermostat clearly isn’t moving but I’m over here checking 25 times because I have anxiety
What would/could be the cause of an LT1 over heating when parking?
The car starts overheating fast when I'm slowly manuvering (Few feet forward, few feet back etc) into a parking space
Car is fine at all other times
Water pump, thermostat, and coolant are all about 1 year old
I bled the system
Fuses and box LOOKED ok
Just put on a new ac delco rad cap
Unplugged the WP to test the fans and the drivers side works but NOT the passenger side
Neither the AC or the heat hasn't worked for over a year btw
Does it boil over and come out the overflow or just temperature begins to rise? So it starts to overheat when theres no airflow coming through the radiator..that would be when the fans are gonna be pulling air through the radiator..do u hear em come on at all when its overheating? And if so its only that one fan? What i would do is fix the other fan if it doesnt work cause that would be a problem since the fans are what keep it from overheating at idle or stationary..if that doesnt help then i would test it for a head gasket issue..cause if combustion gases are going into the coolant it would cause it to heat up a lot faster than normal..and if it was small it would be fine while driving but more noticeable when airflow isnt cooling the coolant
What if both hoses are cold and coolant shoots out the tank even with a cold engine ?
Then youll want to test if for a blown head gasket/head problem, i have a video for that on this same car too
@@backyardchevy328 link? I can’t find it
@@JustdoitYwait ruclips.net/video/fidS_zLo2cI/видео.html
I put coolant in my car still running hot , but I noticed splash marks under the hood is this a symptom of bad thermostat?
No, a bad thermostat usually traps the coolant when its stuck closed, so it itll heat up fast cause of it, unless thats what its doing? U havent checked the top and bottom hose after turning off car to see if they're hot? If theyre both hot, more than likely not a thermostat issue...but those splashes of coolant could mean that the coolant is releasing somewhere under pressure...like if ur radiator cap is bad or if u got excess pressure in the system(air trapped in system or bad head gasket).. the coolant will begin to come out past the cap and into the overflow
As always
Heloooo ur friend is heeree😄😄
My car water pump start leaking so bad yesterday 🤭 my engine ls1 5.7🤧🤧😪
Hey buddy..oh no, it started leaking from the weep hole?
@@backyardchevy328 the problem is u dont have instgram or snapchat for the channel to send u a video but
yeah When I start the car it becomes a fountain
u know how look like the water pump of ls1 engin its leaking from inside the water pump pulley
@@full_metal_everything6929 yea thats definitely the weep hole..it goes from lil drips to a stream when it completely goes out....and i actually did just make an instagram...its..backyard_chevy
@@backyardchevy328 I will replace it myself
I will buy a used water pump, gasket and thermal silicone btw do u have la1 pater pump replace ? in ur channle?
@@full_metal_everything6929 not yet..i have one for the 5.3l truck which is pretty similar but not for the ls1..i would remove the fans which makes it pretty easy to replace after that
What's the easiest way to change the thermostat in a 2006 Ford escape limited edition???
So if both hoses on my radiator are hot is my thermostat not working?
It starts fine runs good but after about 30 minutes of driving it wont accelerate passed 40 and it stays backfiring it also wont go passed 4k rpms when it starts messing up
If both hoses get hot that means the thermostat is open..but when warming up the upper hose should be the only one getting warm til thermostat opens
No check engine light? Is it overheating at all? Maybe something thats causing a vacuum leak like the idle air control valve sticking open..or maybe a bad oxygen sensor..possibly a head gasket issue if its happening after heating up
It has the check engine light on because i took out the catalytic converter and put aftermarket headers and a full aftermarket exhaust system but ive had it put on for about 2 years now no issues the car recently sat for about 1 and a half months today i started driving it again and it just starting messing up also going into limp mode i did scan it about an hour ago and it had a code for the battery current sensor can that cause it to go into limp mode ? The temperature gauge on the car doesnt show its overheating it just stays half way even when it starts messing up
Also i did notice that my top O2 sensor wiring was burnt because it was touching the headers my car is a 02 honda civic lx not sure if that helps
Always showing cold on gauge cld bad thermostat put my ford explorer in limp mode
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2:51 did u say ouch or i hear wrong 😰😰😰😰😰😰😰😰
Lol yea but it wasnt too bad i was just holding it for too long trying to get a good shot before it cooled down and closed
@@backyardchevy328 😆😆
He sounds Mexican. If he is listen about vehicle. Trust me.
Thank you🙂
Something doesn't make sense about your explanation. If you expect the lower hose to be cold, then it would mean the thermostat must be placed between the radiator and the lower hose, to block the hot liquid from getting into the hose.
But because both hoses are blocked by the thermostat, it means initially both are cool, and then when it opens, both get hot.
Or maybe it's different on that car you showed.
Wow. You should be a science teacher. This is so cool. Thanks for the knowledge. 🫡
Heatervents05dodgeonlycoldblockedquickfix
neither of my heater core hoses warm up & it never throws any heat...thoughts? plz