Hi Marshall, Thanks for responding. It's a pretty unusual sound. Does yours also sound like a cow mooing? In my case, I heard the sound when the vanagon was sitting overnight and temp was 35-40 fahrenheit. I already suspected a bearing. I was hoping that I might be too pessimistic. Always took good care of the engine, oil change, etc, so it comes a bit as a surprise. At first, I thought it was the air flow meter flap or something in the air intake vibrating. But after checking everything, that's not where it's coming from. It's interesting that you mention a bearing could make that sound. I always imagined a bearing sounding more screechy when it goes. Matter of fact I just made an appointment to replace the head gaskets, so maybe while the engine is out, I will have the bottom end checked out too. Harald '90 westy --------- > From: Marshall Ruskin <mruskin@PANGEA.CA> > To: vanagon@GERRY.VANAGON.COM > Subject: Re: Cow mooing in wasserboxer > Date: Friday, March 24, 2000 7:46 PM > > I have something similar - I am told is is a bearing screaming. > > Of course, a "cold engine" is relative - mine only does it at about -15 C > and below. > > Marshall Ruskin > > > > >Just wondering if anyone knows this sound. > >Lately everytime I start up the van, and the engine > >is cold, it sounds like a cow mooing coming out of > >the engine compartment. > >Sort of like this. Moooooo..... > >It only does it at about 1500 rpms, and then after > >a few minutes it goes away. > >Maybe I should buy some hay. > >Harald > >'90 westy > > |
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