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oil pressure relief
Posted 26 April 2006 - 10:16 AM
What triggers oil pressure relief on a cold engine? I am convinced it is this (without guage yet) as a valve cover was loose on passenger side and it really pumped it out. Only when cold. Do I need pump? I also found the springs that regulate relief this in tech manual. Do those need to be replaced? The valve noise is going on longer than I am used to. Fresh oil changes prolong this noise. I am at 150k......
Any advice appreciated.
Posted 26 April 2006 - 10:35 AM
it is normal for the oil pressure to be high at start up and reduce as the engine warms, it's supposed to do that.
on the oil pump are two....from memory i believe hex screws that are accessible by the oil pump. i think you can get to them without puling the pump off. i believe they have a spring in them, this is likely the pressure relief. id' say pull this out and clean it.
what engine is this??? 93 loyale....that's still an EA82?
there is also a spring related mechanism in the cam tower under the oil squirter bar. it's attached on one end by like a 12mm bolt and on the other end by a 17mm banjo bolt. under that bolt is a spring and a little connical shaped thing....this may be some type of relief valve too, don't know. i clean it out when ever i get into the cams. this is unlikley needed in your case (no pun intended).
Posted 26 April 2006 - 11:44 AM
After figuring how many times a roller spins in a wheel bearing with 149k miles, I will most likely change every little spinner behind timing cover, including oil pump (its in the billions and billions....).
Posted 26 April 2006 - 11:46 AM
Posted 26 April 2006 - 01:53 PM
Posted 26 April 2006 - 02:05 PM
if you have a press you can order new bearings and install them yourself.
think i got mine from www.thepartsbin.com for the EA82 and they were cheap, well worth having new bearings. i've repacked them since then as described in my write-up.
Posted 26 April 2006 - 08:50 PM
Thanks again. Your tasks there are very much my similar thoughts on getting it done
Posted 27 April 2006 - 05:46 AM
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