Subject	Oil pressure check ball or balls?
Posted by	wideglider on April 06, 2008 at 2:56 PM
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Message	I am wrapping up an engine rebuild for my 90' NA 2+2. One thing that I still have questions about is the oil pressure check ball or balls. They are pressed into the block behind the oil filter adapter housing. The nissan manual has a picture that only shows one check ball valve installed. When I tore my motor down, it had two; one of which had failed possibly leading to my spun rod bearing. I asked the dealer, and they told me it does take two, one in each hole. But you all know how hit and miss tech advice is from the dealerships. I went ahead and installed both check balls but thought I better double check this before I fire it up. Has anybody dealt with this area before and what advice do you have for me.
Follow Ups	Oil pressure check ball or balls? - wideglider 14:56:34 04/06/08 There are supposed to be two check valves in an NA block (n/m) - na300zx (OH) 15:31:08 04/06/08
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