How To Remove Thermostat Engine Coolant 2003-2007 Honda Accord | Install / Replace DIY Repair Guide
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- čas přidán 14. 08. 2018
- This is a step-by-step DIY video tutorial guide on how to remove engine coolant thermostat on 2003-2007 Honda Accord 2.4L (which include model DX LX EX year 2004, 2005 & 2006) and should be similar to other Acura or Honda models such as Civic, CRV, Element, Odyssey & Pilot, by young mechanic Aiman.
To remove thermostat:
Disconnect the negative battery cable.
Drain the engine coolant into a sealable container, to a level below the thermostat.
Use a pair of pliers to release the tension from the hose clamp, then disconnect the hose from the thermostat housing.
Remove the fasteners from the thermostat housing, remove the housing, then remove the thermostat.
Installation is just the reverse of removal, make sure to replace gasket or o-ring if necessary.
What Does a Car Thermostat Do?
The thermostat is responsible for controlling the flow of the engine coolant as it circulates through the engine block. When the engine is cold, coolant does not flow. Once the engine warms up, the thermostat opens, circulating coolant to keep it at optimum operating temperature.
When it comes to your car thermostat, it actually falls outside of the routine maintenance category. The thermostat in your vehicle will most likely not wear out or become less effective over time due to normal driving. Your thermostat is a pretty simple piece of equipment with a pretty simple job. Your thermostat is a valve on your vehicle’s cooling system which regulates how much of the coolant gets recirculated straight back into the engine and how much gets sent out through your radiator to be cooled before it recirculates through your engine. By modulating how much coolant gets sent through the radiator, the thermostat can keep the temperature of the coolant in your engine in a very specific range no matter how warm or cold it is outside. This specific temperature range is the range your engine is designed to operate most efficiently in, getting the maximum power without overheating and damaging any parts. This is usually about 1800F to 2000F.
A car thermostat opens and closes through the use of a bimetallic spring, a wax piston or other thermally controlled device. In a bimetallic spring, there are two different types of metal bonded together. These two types of metal expand at a different rate when they are heated, so as the engine coolant warms up the two metals expand, one to a different length than the other. This causes the spring to straighten which pushes the valve open. Similarly in a wax cylinder there is a wax that melts right around the temperature your engine should operate. When the wax melts, it expands pushing on the cylinder which moves and opens the valve.
Both of these mechanisms are so simple that there is very little to break, change, or go wrong. There are however some situations where you need to replace the thermostat in your vehicle. If your car ever overheats, it could cause damage to your thermostat. Every vehicle has a temperature gauge to help you make sure your vehicle’s engine is operating in the proper temperature range. If the temperature gauge ever gets more than ¾ of the way up its range, or reaches the red line, you have probably done damage to your thermostat. High temperatures can ruin the bonding on the bimetallic spring or change the properties of the wax cylinder so your thermostat won’t open at the specified temperature it is supposed to.
If you want to know how to test or diagnose your thermostat to see if it working, bad or faulty, please watch the following video: • How To Test If Your Ca...
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This video is presented to you by young mechanic Aiman-Imran Zulhilmi Anuar. Please be sure to watch other DIY auto repair videos on Aiman's EyeOnAiman youtube channel & facebook page.
Disclaimer of Liability (No Responsibility): Please exercise due diligence with information obtained from this video. The information contained in this video is for entertainment purposes and should only be treated as such. I shall not be held liable for any damage to vehicles, tools, equipment or person resulted therein. This channel assumes no liability for property damage or injury incurred. You will use such information at your own risk. Aiman recommends safe practices when working with power tools, automotive lifts, lifting tools, jack stands, electrical equipment, blunt instruments, chemicals, lubricants, or any other tools or equipment seen or implied in this video. Any injury, damage or loss resulted from using information in this video is the sole responsibility of the user and not EyeOnAiman.
Recording Date: July 25, 2018
Video URL: • How To Remove Thermost... - Auta a dopravní prostředky
Thanks bro! You helped me out big time!💯
thanks man this video helped a lot
Great Video ,Thanks mechanic Aiman
Great video thanks 👍🏻
Glad you enjoyed it! Thanks for watching!
Do more of these!
Thank you got but unfortunately I broke one of the bolts. Any ideas ?
Anyone know, what's the part number for connecting between thermostat and lower hose.
Mate it looks similar to Honda odyssey where is its vtec solenoid? And how it looks like, thanks
Thank you
Is this the same for the v6?
missing the best step, bleeding the air out of coolant system, cant imagen drive with all the air trapped in side the coolant system, besides that is a good video.
Anyone recommend a good link for thermostat purchase?
Thanks
My car overheats when at a stop but cools down when I drive and it smokes can it be my T-stat?
Bro, can i not drain all of the coolant ? But maybe just a small amount of coolant would spill over once the hose and thermostat are removed
i need your help. my Honda accord 2003 2.0 i vtec radiator water with oil milky. what can i do engine over heat too
Head gasket might be blown, fix ASAP!!!
Mine just keeps overheating
It’s helpless because you didn’t show us how to remove the sleeve because I really stuck in this thing I wasn’t able to remove it
Yank HARD. I was stumped too until I saw one video where the mechanic grunted as he pulled.
Don’t let your child mess with your car 🚗
Part number? Please
Honda 19301-RAA-A02Thermostat Assembly (Nippon Thermostat)
2003-2011 Honda 19301RAAA02
Nice thanks check me out too