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2003 MPV valve cover gasket replacement
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BillB
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Joined: 19 Mar 2011
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PostPosted: Sat Jul 07, 2012 1:55 pm    Post subject: 2003 MPV valve cover gasket replacement Reply with quote

Dealing with a couple of oil leaks on our 03, one is from the oil pan and I've found a write up on that fix/repair. Does anyone have experience with replacing the valve cover gaskets ie.. a write up, etc.? The back one (as luck would have it) apparently is leaking on our vehicle as well.

Thanks,
Bill
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scross
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Joined: 07 Nov 2005
Posts: 2661

PostPosted: Tue Jul 17, 2012 7:14 am    Post subject: Re: 2003 MPV valve cover gasket replacement Reply with quote

Sorry, I threw the attached instructions together a few days ago but then forget to post them. Doing the valve cover gaskets isn't really that big of a deal, except that you have to pull a bunch of stuff off in order to get to the rear one. If you've never done this before then it can be quite intimidating; if you have done it before (as I have) then the next time it's merely a royal PITA. There is a coil replacement "sticky" at the top of this forum which goes into great detail on what is involved here.

It looks like I probably have the same problem right now (a leaking rear valve cover). I don't plan to physically address this issue until the next time I change out the spark plugs (probably another 25,000 miles, at least), so in the interim I've put in a bottle of quality oil stop leak, and it has really slowed down that leak quite a bit. You should try doing the same at your next oil change (if not sooner), as it should slow the leak down and may even stop it.

Tighten all bolts to 71-106 inch/pounds; any nuts to 45-61 inch/pounds. Tighten everything in the order indicated, then go back and check them all again at least once, maybe twice. This is especially important for new gaskets, which will compress quite a bit as you tighten things up. Also, don't forget the sealant, as this will cause leaks if you miss it. Permatex Ultra Grey is recommended here.

I would tackle the front (LH) cover first, to get some practice at it and make sure that there are no leaks, etc. Then maybe a little while later go back and do the rear (RH) cover, which is going to be a lot more work.





MPV_valve_cover_gaskets_front_LH.doc - 4416.34 KB
File downloaded or viewed 422 time(s)


MPV_valve_cover_gaskets_rear_RH.doc - 4416.3 KB
File downloaded or viewed 344 time(s)

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