Hey everybody, Since I am faced with replacing the expansion tank, I have read numerous posts and some great instructional posts as well. Thanks for all of your genuine input. A couple more questions. I have two X5s, an 03 4.4 and an 03 4.6is. The 4.6 I bought in 09. It has 72K on it and last summer the top hose that wraps around the expansion tank developed a slight leak so I replaced it as well with a new cap and bleeder screw. All went well till a few weeks ago when the expansion tank started leaking. The 4.4 I have onwed since new. It now has 92K on it but it just developed a small leak on the expansion tank.
Here are my questions, I am going to replace them both at the same time. I will most likely order the small hose on the top of the tank because even as careful as I was when I removed it before I broke it because it was so brittle. Should I replace the cap as well? No one has a definitive recommendation on certain hose replacements unless you replace the water pump and or radiator. So are there any other hoses that are recommended to replace at this time? Should I also replace the bleeder screw?
One last question, where is the best place to order these parts? Any and all feed back/recommendations welcome.
Weasel if you are reading this post thanks again for your error code help! I just got another check engine code on the 4.6 so I have to get me a diagnostic decoder.
06-23-2010, 03:31 PM
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