Hope you guys enjoyed the video and found it informative. This weekend it began leaking a few ounces of coolant. Bmw 325i coolant loss due to leak from expansion tank 166 reports. Water pump and thermostat replacement e46 bmw 325i duration. Bmw 325i coolant recovery tank best coolant recovery. Affiliate link mentioned in the video for bmw radiator.
Pull locks 1 and 2 upwards and detach coolant hose from radiator coolant expansion tank. Bmw e46 e53 x5 coolant expansion tank removal and fix 320i 323i 325i 328i 330i duration. Behr hella service 376755111 engine coolant reservoir bmw. In this video i will show you how to replace the coolant reservoir expansion tank in a 2008 bmw x3. Bmw coolant radiator expansion tank cracking, splitting. Ive replace a radiator before on a different car and ive exposed the radiator and expansion tank on the bmw in less than 10 minutes. The bmw expansion tank preserves your radiator by allowing a place for cooling fluid and air to expand as temperature and pressure rise inside the engine. Bmw coolant reservoir tank replacement fix coolant leak honestly very easy to do only requires 2 tools, i would not pay anyone to do this job for you because it can cost upwards of 800 dollars. The 2001 bmw x5 has 1 problems reported for cracked expansion tank. Bmw coolant reservoir tank replacement fix coolant leak honestly very easy to do only requires 2 tools, i would not pay anyone to. I read all of the cooling system posts here and on the forums, and decided to do the full overhaul. Bmw e46 coolant expansion tank replacement bmw 325i 2001. Hey guys so in todays video i finally fixed the coolant leak on my car. How to replace the expansion tank in a 1999 thru 2005 bmw 3 series e46.
The engine coolant reservoir is a storage tank for excess engine coolant, and. Unfortunately, the problem with the coolant system expansion tanks cracking andor splitting is a somewhat common problem on many bmw models. Replace just expansion tank or do cooling system overhaul. How do you repair the expansion tank on a 2005 bmw 325i. If i think my expansion tank is cracked in my 2006. Buy a 2003 bmw 325i expansion tank at discount prices. Choose top quality brands apauro parts, api, action crash, behr, contitech, diy solutions, dorman, genuine. Karpal radiator coolant recovery expansion overflow tank reservoir and sensor and cap and clip.
I replaced the tank and now the new tank is leaking at the seams just like the old one. How to replace the radiator reservoir expansion tank on a 1998. Bmw expansion tank troubleshooting questions answered. It is important to inspect your expansion tank every time you change your oil. In this video i show you how to change your bmw e46 expansion tank on a 2003 325i. Unlock coolant level sensor 1 by turning and pull out of coolant expansion tank. I wanted to make that clear for those more familiar with american vehicles where. How to remove and replace coolant expansion tank on bmw 335i. Determining root cause for cracked bmw coolant reservoir. How to remove and replace coolant expansion tank on bmw 335i duration. When replacing the expansion tank, you will have to swap the coolant level sensor from the old tank to the new one. Factory bmw tanks are made of plastic, and will eventually crack, leak and fail.
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