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Discussion Starter #1
Hi!
I've recently just bought an 09 kia sorento. Fabulous car until we had snow a lot of snow!
Put 4wd on and the back end is kicking out upon investigation front wheels arent engaging! Finally got it in the shed and read previous posts on here and we've narrowed it down to the front diff. The actuator isn't switching off. We removed the pipe and covered the end and it then switched off. Followed it to the diff did the same and switched off. Now we think it's the diaphragm. Has anyone ever changed one themselves? If so where did you buy them we can't find one for sale at all!
 

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Hi & welcome.
Have moved your post to Sorento section as owners are best placed to offer a solution.
 

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So you have the XE model. Never known one to be changed as usually they have little use only to get off soft ground or to get moving in snow Not to be used permanently as will cause transmission wind up damage. If you are sure it has failed suggest you enquire as to availability with dealer or obtain one from a breakers.
 

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Discussion Starter #5
Th
So you have the XE model. Never known one to be changed as usually they have little use only to get off soft ground or to get moving in snow Not to be used permanently as will cause transmission wind up damage. If you are sure it has failed suggest you enquire as to availability with dealer or obtain one from a breakers.
Thank you. Yes we think it's the diaphragm. Or the pipe thats inside the drive shaft. The actuator comes on with the ignition but doesn't switch off. We took pipes off and covered with fingers which then turned it off so somethings not building pressure
 

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Discussion Starter #6
So you have the XE model. Never known one to be changed as usually they have little use only to get off soft ground or to get moving in snow Not to be used permanently as will cause transmission wind up damage. If you are sure it has failed suggest you enquire as to availability with dealer or obtain one from a breakers.
Also the diaphragm is what enables 4wd and after reading a lot of threads on here it's common
 

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Look at the EST front diff diagram located there. There are two types your may be the latter follow the pipe inside top of diff.
 
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