DaJimstar Posted July 24, 2012 Share Posted July 24, 2012 Hi, I have looked but its not conclusive from searches. When I start the car cold (after a night or day with no action) the oil pressure at start up goes very high to about 2/3rds of max psi and then slowly comes down. I have no comparitor and forget to ask the lads at the last meet It does come down after about 1 and 1/2 mins, I must stress that. Is this typical ladies and gents Basically if its not, I will be getting a new sender unit. Quote Link to comment Share on other sites More sharing options...
Ekona Posted July 24, 2012 Share Posted July 24, 2012 Perfectly normal. As the oil gets hotter it gets thinner. Quote Link to comment Share on other sites More sharing options...
Dblock Posted July 24, 2012 Share Posted July 24, 2012 It's normal. Quote Link to comment Share on other sites More sharing options...
DannyBoy Posted July 24, 2012 Share Posted July 24, 2012 Sounds normal to me mate. Oil is thicker when cold so it resists being pumped around more, hence the higher pressure. Added to that is the fact that the car idles really high (almost 1300rpm if you have the aircon on) at cold start, which will increase the oil pressure further over an 800rpm warm idle. DB Quote Link to comment Share on other sites More sharing options...
DaJimstar Posted July 24, 2012 Author Share Posted July 24, 2012 Perfectly normal. As the oil gets hotter it gets thinner. Thanks all.. Cool... I will leave it then.. I just have nothing to compare it to, well I had 6 other zds sat next to it on Sundaty and I forgot . Thanks V much Quote Link to comment Share on other sites More sharing options...
Ekona Posted July 24, 2012 Share Posted July 24, 2012 Basically, as long as the needle is between the lowest and highest marks, there's nothing to be concerned about. Quote Link to comment Share on other sites More sharing options...
DaJimstar Posted July 24, 2012 Author Share Posted July 24, 2012 Basically, as long as the needle is between the lowest and highest marks, there's nothing to be concerned about. Cheers.. Quote Link to comment Share on other sites More sharing options...
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