04 EB 4WD vacuum leak

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socalexpe

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Feb 5, 2025
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Corona Ca
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Sorry I know there is allot of post’s out there about this issue but haven’t come across one that has the same issue as mine. Not sure what the previous owner did just picked it up Terri weeks ago. I am guess it’s a vacuum leak cause when I accelerate it switches to defrost. Also no heat when I turn dial to heat. Don’t know where to start. Is there a whole vacuum diagram someone has that they can post? Thanks in advance.
 
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