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dougs01gt

2003 S10 high oil pressure

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A guy i work with has a 03 s10 he is builing high oil pressure and its blowing by the oil filter. Any thoughts to what may cause this??

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A guy i work with has a 03 s10 he is builing high oil pressure and its blowing by the oil filter. Any thoughts to what may cause this??

 

 

 

 

Wow! That seems kinda scary! the only thing that would cause really high oil pressure is a pressure valve??

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There is a pressure regulator on the oil pump, essentially a spring loaded relief valve. If it fails it can cause presure to rise dramatically. Oil pumps are pd pumps, they'll pump till they break something without a relief valve. This is a pretty dangerous condition, high pressure can cause a cam bearing to spin. Good luck. :rolleyes:

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:rolleyes: i have this same problem on a truck im working on a friend of mine says to check the oil pressure by pass valve wich is in the oil filter adapter at the engine block well maybe this is the problem ......just weird the way this done this one day everything was fine then next day he comes out of work and goes to start the truck and it stated puoring oil all over the graound pushing the oil past the seal on the filter....i do not beleive it is the check valve in the pump or i would like to beleive its not...im gonna go with the oil pressure by pass valve in the oil filter adapter if this works ill let you know...........good luck........ :D

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You're right, I was thinking of that bypass but saying where the check is. Brain Fart. Sorry.

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