Question about 1997 Chevrolet K1500

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Low oil pressure

Where is the oil pressure sending unit on a 1997 chevy silverado 5.7 litre

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  • ronbuff May 26, 2010

    I understand that but I want to install a manual gauge to verify the pressure because it is up and down. I have changed my oil twice. The engine has 122.000 miles on it

  • ronbuff May 27, 2010

    That does not tell me where the sending unit is. However it is at the rear of the intake manifold beneath the distributor. Before I dropped the oil pan and dumped five quarts of new synthetic oil I wanted to add a street T fitting and add a manual gauge so that I could verify the low oil presure. While I was in there I changed the sending unit anyway. Oil pressure is now good. Could have been a bad connection.

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Sorry to say, but oil sending unit has nothing to do with oil pressure. Best case scenario for low oil pressure would be you need an oil and filter change. Better case scenario would be you need to drop oil pan and clean screen on bottom of the oil pump. Worse case scenario would be due to excessive miles on engine which causes wear on compression rings and/or crank shaft bearings where oil pressure originates from. It might be good to have a compression test done on all cylinders by a certified mechanic or at least someone who knows what they're doing. Let me know if I can be of further assistance. Good luck! over4dy

Posted on May 26, 2010

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