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 no oil psi help
#809877
05/05/07 04:32 PM
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Joined: Mar 2004
Posts: 499
OP
Mudrunner
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Ok so
In my other post, I stated that I was thinking of buying an 83 full sized SJ with a straight 6cyl. thing is I it runs nice but theres no oil psi on the gauge, Not sure if its just a sending unit, or there's really no oil psi, and trick to test th psi, (remember I didn't buy it yet so i can tear apart the motor, I took the oil cap off and felt psi coming out, any other tips would be great
ML
98 wrangler 2.5l 3 inch rustys, 2 inch body, 33X12.5 MTR's DETROIT LOCKER, 4.88 gears, moser axles, Dana 44 (rubicon housing)
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 Re: no oil psi help
[Re: Mudlover27]
#809878
05/05/07 04:57 PM
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Joined: Oct 2003
Posts: 7,768
Web Wheeler
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If there is really NO pressure the lifters all collapse and make great noise! First thing to do is look at the lectric connection to the sender and make sure it is CLEAN and attached. If that is Ok then get a new one and install it. Most times it is the sender and not the guage. Big JIm <img src="/forums/images/graemlins/pfft.gif" alt="" />
professional bovine relocation specialist
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Re: no oil psi help
[Re: BigJim]
#809879
05/07/07 03:16 AM
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Joined: May 2007
Posts: 16
Need a Spot
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If there is enough room screw the sender out and screw in a gague right on the motor. Then you will know for sure. The gagues dont have to bespecif for oil. Any pressure gague will work for this and are available at the hardware stores or at auto parts stores or PEP Boys too.
90 XJ 4.0L 3.5RE on 31s 242 SYE 12K MM winch
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Re: no oil psi help
[Re: BlueXJ]
#809880
05/10/07 07:53 PM
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Joined: Jan 2003
Posts: 156
Wheeler
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The pressure you feel when you take off the oil-fill cap is not oil pressure, it's blow-by from worn rings. Pretty common on older motors. If it's not huffin' out alot of blue smoke, I wouldn't sweat it. And if it had no oil pressure, it wouldn't still be running.
'98 TJ, 4 cyl., auto
31" AT KO's on rockcrawlers,
custom bumpers, Hellas
2" Teraflex lift, no top,
no doors, no problem.
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Re: no oil psi help
[Re: CoronaJeeper]
#809881
05/11/07 01:35 AM
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Joined: Mar 2004
Posts: 499
OP
Mudrunner
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98 wrangler 2.5l 3 inch rustys, 2 inch body, 33X12.5 MTR's DETROIT LOCKER, 4.88 gears, moser axles, Dana 44 (rubicon housing)
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