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  #11  
Old 04-11-2013, 05:00 PM
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bro , just a friendly advice, go ahead and rent a coolant pressure tester at your local autoparts. test the system and for sure a leak will appear somewhere. that way you would not be guessing of where the coolant is leaking from.i hope it help
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  #12  
Old 04-11-2013, 05:03 PM
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Replace both--it is a no. 2.

If you haven't already taken a look at the Youtube link that Ruh Roh posted above. It will provide some tips.
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  #13  
Old 04-11-2013, 05:08 PM
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FYI, the coolant hoses on the rear are easy to get to when you have it apart. Should replace them. They tend to get brittle or soft after 50,000 or so miles.
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Old 04-11-2013, 06:30 PM
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I had seen the YouTube clip that RuhRoh linked. It certainly was informative, not sure I'd want to take a chance on making my own gasket out of silicone though! He indicated in the video that swapping out the CCV was something that ought to be done as well. Perhaps it's better to be safe than sorry, especially if it means having to yank the intake again!
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  #15  
Old 04-11-2013, 06:49 PM
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I wouldn't make my own gasket either. To much wrenching to take that chance. Like----nothing can go wrong, go wrong, go wrongggggggggg.
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  #16  
Old 04-28-2013, 07:02 PM
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Update

So, I take the X into a shop a couple of days ago to take care of the Thrust arm bushings, and do an allignment. No problem there. I know the manager, and tell him of the coolant situation I'm having. I ask him if they can pressure test the system, and keep an eye on it while they do the job.

He claimed that there was coolant appearing at the bell housing, but ALSO some leaking at the front of the engine (he suspected around the timing cover). <sigh!> I haven't noted anything from the front yet, but will pull stuff apart and get under it for a closer look tomorrow. Admitedly, this place was mostly a tire shop, and he suggested going to a dealer, or Indy more familiar with these vehicles.

I've just finished putting together a "shopping cart" of all the parts I need for the V Pan job (in addition to VC gaskets, and plugs). I'd really like to get this issue put to rest. There is a cool video on YouTube of a guy replacing the VPG on a 544 in time lapse:

99 BMW E39 540i 544i ValleyPan job in 10 Minutes - YouTube

My question is: it looks like he is putting thread lock on the bolts to the valley pan. I don't recall hearing this mentioned before, so is this an advisable idea or not? Also any ideas of a leak that might be originating around the timing cover?

TIA
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  #17  
Old 04-29-2013, 10:55 AM
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More likely he is applying anti-seize for more accurate torque readings and so the bolts are easier to remove in the future. If he was looking at coolant leaks from below, coolant from the front of the engine could be one of the several coolant hoses or the coolant reservoir located there. If the coolant was coming directly from the engine didn't he show you where?
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