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farm kid
User
Feb 3, 2013, 2:17 PM
Post #1 of 5
(2095 views)
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s-10 high oil pressure
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I have a 1996 Chevy S-10, 4.3 v-6, automatic and a 4-wd. It has started blowing the oil filter off itself. I have removed the cooler lines and checked for obstructions (none), checked cooler itself with low pressure compressed air(ok), removed and cleaned the remote filter housing and adapter from engine. I also tried different brand filter with same result. Upon start-up the oil pressure gauge sweeps to past 80 psi then pop goes the filter gasket. Any ideas will be appreciated and thank you.
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Hammer Time
Ultimate Carjunky
/ Moderator
Feb 3, 2013, 2:49 PM
Post #2 of 5
(2074 views)
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Re: s-10 high oil pressure
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I would guess bad check valve in the oil pump. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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re-tired
Veteran
/ Moderator
Feb 4, 2013, 7:33 PM
Post #3 of 5
(2025 views)
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Re: s-10 high oil pressure
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I concur with your diagnosis DR Hammer. LIFE'S SHORT GO FISH
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farm kid
User
Feb 10, 2013, 2:00 PM
Post #4 of 5
(1974 views)
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Re: s-10 high oil pressure
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ordered a pump and screen, going to try to pull it apart this week and will let you know, thanks.
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farm kid
User
Mar 3, 2013, 10:22 PM
Post #5 of 5
(1885 views)
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Re: s-10 high oil pressure
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Finally got it pulled apart, replaced oil pump and screen, oil pressure ok for now. Thanks for the input and advise.
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