Question about 2003 Mazda MPV

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Mazda mpv vacuum hose replacement

I own a 2003 Mazda MPV 4 door minivan. The vacuum hose directly condected to the back of the engine has a crimp/hole in it right where it connects to the engine. How do I replace this? I'm not a mechanic but I do alright with most stuff. Do I have to take the entire maifold off or is there and easier way to solve this problem. I've tried getting my hands back there but to actually work on it it seems to be way to tight an area. Also, if you could tell me exactly what parts I'm going to need I would greatly appreciate it. Thanks.

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  • 1ofme Apr 16, 2009

    where do I get the part? Auto Zone and O'Reilly said they don't have it and exactly what is the part called?

    Thanks

  • E Kincheloe Aug 14, 2013

    I have found that a small pair of water pump pliers work the best for removing the rubber elbow from the back of the intake manifold

  • E Kincheloe Aug 14, 2013

    The best tool i have found to release the clamp is a small set of water pump pliers. You can get the replacement part online or at an actual Mazda dealer. The part number is AJ51-13-89YB (P.C.V. Hose). It cost me about $120 including taxes.

  • E Kincheloe Aug 14, 2013

    I just got the part today and am having a tough time inserting the hose into the engine block. A bunch of parts are in the way. If anyone has any hellp with this I would greatly appreciate it. THanks

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I just had the same issue and troubleshot it with my cousin's fiance (who is a mechanic). You can reach the hose, providing the engine is cool. The key is getting some vice grips on the clamp which holds the hose to the engine. Once you get it off, the other end disconnects from a PVC elbow that goes into the crankcase. You should be able to get the hose off and then it has a label on it with the part number. I did not write down my part number.

Posted on Jul 15, 2008

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