1988 - 1998 (GMT400) Section for all discussion related to the 1987-1998 Chevrolet and GMC trucks.

Oil pressure

Old Apr 16, 2020 | 2:13 PM
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1998ChevySilveradok1500's Avatar
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Default Oil pressure

I have a 1998 chevy silverado k1500 5.7 vortec. The oil pressure is around 20 at idle and 40 at throttle is that normal? Or should it stay around 40?
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Old Apr 16, 2020 | 5:42 PM
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You're fine. As long as it holds steady at those values, not say falling to zero at idle at times you are good to go.
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Old Apr 16, 2020 | 6:21 PM
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From: kevinkpk
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Originally Posted by 1998ChevySilveradok1500
I have a 1998 chevy silverado k1500 5.7 vortec. The oil pressure is around 20 at idle and 40 at throttle is that normal? Or should it stay around 40?
Looks fine to me
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Old Jun 5, 2020 | 6:25 PM
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My 99 is the same way. As long as you don't hear any knocking, you're golden
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