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CHROMEY

  • Karma: +33/-0
no oil pressure?
« on: July 30, 2010, 11:07:05 AM »
so im trying to go float tonight at the lake with the hunny, we got a sitter!!

charging up the batteries, new alt belt! ( thanks brad)

i fired it up to check the charging system, looked at the gauge and no pressure....
wiggled the wires, tapped on the sensor, tapped on the gauge no response...

i have a back up electric gauge i just wired up gonna mount it on the motor somewhere and recheck it

not sure if its sender specific?? but ill try it.....i think i have another sender too somewhere..
i do have a manual gauge too, but no hardware! and no cash
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Ralph Brunt

  • Karma: +51/-0
Re: no oil pressure?
« Reply #1 on: July 30, 2010, 11:15:10 AM »
with your luck with motors i would find an oil pump primer (think brad mite have one) and check for oil pressure that way, so if there is a mechanical problem you dont hurt the motor any more
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CHEAP, FAST, RELIABLE...PICK 2 CANT HAVE ALL 3
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They are all fukin tasty. My long time favorite, "Dirty Dicks -beerjet-
Quote from: IRRebel on February 16, 2010, 06:11:01 PM
Glasscutter, Skip, OC2  Nordie and many more nail me good every time, relentlessly, I love those guys!

IRRebel

  • Karma: +16/-0
Re: no oil pressure?
« Reply #2 on: July 30, 2010, 11:16:27 AM »
Quote from: CHROMEY on July 30, 2010, 11:07:05 AM
so im trying to go float tonight at the lake with the hunny, we got a sitter!!

charging up the batteries, new alt belt! ( thanks brad)

i fired it up to check the charging system, looked at the gauge and no pressure....
wiggled the wires, tapped on the sensor, tapped on the gauge no response...

i have a back up electric gauge i just wired up gonna mount it on the motor somewhere and recheck it

not sure if its sender specific?? but ill try it.....i think i have another sender too somewhere..
i do have a manual gauge too, but no hardware! and no cash

X2 Ralph! Next, get it over to Terry's, I'm sure he's got a mechanical guage to prove/disprove an electrical failure.

Ray
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"Life's journey is not to arrive at the grave safely in a well preserved body, but rather to skid in sideways totally worn out shouting 'Holy Shit what a ride!"---Crewcheif22 AKA Keith

CHROMEY

  • Karma: +33/-0
Re: no oil pressure?
« Reply #3 on: July 30, 2010, 11:31:08 AM »
wired gauge # 2

no pressure.... :banghead:

to same sensor,

with power and ground hooked up i ground the sensor wire to outside of sensor and it sweeps 0 to 80
i fire it up and i get 0 psi.....i quickly shut it off and it holds at 45 psi


i un connect the old sensor wire and recheck new gauge same thing.....
i ground old sensor wire to outside of sensor, and old gauge sweeps the same too....so what does this tell me?.....my digital meter is on the floor of the truck.....and not here


i hAVE ANOTHER SENSOR TO TRY..?
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  • Boat #1: 78 Omega California openbow miniday 22ft.-broken
  • Boat #2: 2004 Chevy Avalanche Crewcab
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lbhsbz

  • Karma: +29/-1
Re: no oil pressure?
« Reply #4 on: July 30, 2010, 11:40:13 AM »
Ok, don't fire that motor any more unless you can verify oil pressure.  Take the damn sender out, disable the ignition, and have someone crank it while you hold a rag near the sender port on the motor.  If you don't see oil after about 10 seconds of cranking...stop, take the engine out, and fix it before you do any more damage running it with no oil pressure.  If you do see oil squirt out...go and get a mechanical gauge at autozone so you have an accurate reading.
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CHROMEY

  • Karma: +33/-0
Re: no oil pressure?
« Reply #5 on: July 30, 2010, 01:11:50 PM »
before i changed everything all over...i found a adapter fitting and just put the mechanical gauge straight to the engine at the 3rd crank i got pressure...
reinstalled old sender and whalla! 60 lbs of pressure...so i think im good ill keep checking it today before i go out again.....IT IS HOT AS HELL OUT SIDE....I BURNT MYSELF 3 TIMES OUT THERE JUST GRABBING SHIT AND TOOLS...THANKS for the input!
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  • Boat #1: 78 Omega California openbow miniday 22ft.-broken
  • Boat #2: 2004 Chevy Avalanche Crewcab
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Brad @ SCJB

  • Karma: +255/-0
Re: no oil pressure?
« Reply #6 on: August 02, 2010, 10:03:14 AM »
i totally forgot to tell you ....your oil pressure gauge was on the fritz the day i took it out.....john mentioned this thread last night and i was like "DOH!"

it was pegged past 80lbs...then it was 0...then pegged past 80 again. being it was bouncing back and forth, i figured either the sender or gauge was junk.

glad you got it sorted out. im sure this little bit of info woulda saved you a huge headache.
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