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Thread: Finally replaced the M60 valve cover gaskets...

  1. #11
    Join Date
    Dec 2004
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    Oh Jeff, it seems your enthusiasm is as diseased as mine. Mine came up good, after careful examination, I think the threads in the castings just don't withstand years of having the nuts over-tightened. Perhaps if bad just get some slightly larger studs and re-chase the threads to suit, you should be fine. Drilling the mounting holes on the coil packs a little should be okay, as per the covers and earth straps, etc. Yes it'd take time, but then the problem is gone forever.

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  2. #12
    Join Date
    Dec 2003
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    Eastern Tennessee USi
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    Almost out of heli coils. Tightening the coils back up and 2 more 'cracked'. Never had the issue with Nikka. Have not read about it on the net so it must not be a well known issue. I scraped the groves the gaskets go into, lots of magnesium residue. Used spray tack everywhere and so far it stopped leaking.

    95 E34 530I V2.17
    ===========
    Those who make peaceful revolution impossible will make violent revolution inevitable.

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  3. #13
    Join Date
    Dec 2003
    Location
    Eastern Tennessee USi
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    Default Lets do the "new" 540 M60 valve cover gaskets

    Lets do the "New" 540 valve cover gaskets before I dive into the trans issue. I figure if I make everything good I am committed to this $600.00 car and trans issue. I will let the pics do the talking with comments. Magnesium valve covers are quite interesting. Apparently the "corrosion" keeps going kinda like a rotted tooth. Some say you can fix it with baking soda and water AFTER you remove the rot. I read into grinding magnesium and was looking into a major fire that couldn't be put out until I got to the kids wanting magnesium grindings to 'make' fire. Looked like I can grind the rot out with glasses and a respirator. Die grinder would be fine but I didn't have the right bits so I opted for the little one with variable speed (can't think of it right now). Edit: Dremel! Variable speed thing with round bits.

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    The above were before I messed with it

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    I guess this is how a totally nuked magnesium part becomes so messed up

    I think one of the first things you do with a M60 is inspect the loose oil pump bolts and the valve covers. These leaked a little oil, enough to do the gaskets but not too major. Enough for me to practice on doing the job right. Glad I checked things out. Besides it looks good from the engine view. The hard (pass side US) has not been completed due to darkness, mosquitoes and that is the hard side to do but hopefully complete tomorrow.

    This is one I picked up at the local pull a part. Looks like it was welded and was on fire but I think it is just magnesium corrosion Name:  VC Sevier gone.jpg
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    Last edited by 632 Regal; 05-30-2017 at 05:35 AM.
    95 E34 530I V2.17
    ===========
    Those who make peaceful revolution impossible will make violent revolution inevitable.

    John F. Kennedy

  4. #14
    Join Date
    Dec 2004
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    Good stuff. Yes I think that some covers at definitely worse than others, perhaps at age some of the worse ones just disintegrate.

    Yea don't tell em about the damn mozzies! All the mozzies in my street probably wait for me to come home, and fly under my car to roost- jic I go to do something before the light goes!

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