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04-14-2011, 12:02 PM
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New Member
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Join Date: Feb 2011
Location: Butler, PA
Posts: 3
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Oil Pressure Switch Removal
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Hey guys I have a 1988 S10 Blazer 4.3. The oil pressure gauge has been staying at the very top and not moving at all. I'm going to try putting a new oil pressure switch on, but I'm not sure what size socket it takes to get the thing off of there. Any help would be appreciated.
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04-14-2011, 07:59 PM
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Not sure on the socket size but you could purchase the replacement switch and then you will know the socket size. If this is still the original oil pressure switch the body of the switch is wider than the hex. What this means is that you have to use a wrench to remove as you cannot get a socket on it. The replacement switches have a smaller body for the switch so you can use a deep socket over the body of the switch.
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1989 S15 Jimmy (DD) with 415K Miles, GM Factory Rebuilt Engine/Trans. New Paint, Headliner, New Suspension Bushings, Eddlebrock Waterpump/Shocks, Adj. Fuel Pressure Regulator and in line Fuel Gage, Injector Spacer, K&N Air Filter, Stock Exhaust, Michalin X-Radial Tires (215/70) Stock Rally Rims, Pioneer Head Unit, IPOD Adapter, Pioneer 4X6 Plates in the front, Pioneer 6X9 5 way sp Rear, 8" Clarion enclosed amp & supwoofer, 10 Disk CD Player. ABS Headliner, Original Owner.
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04-14-2011, 09:26 PM
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New Member
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Join Date: Feb 2011
Location: Butler, PA
Posts: 3
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Oh ok. It is the original I'm trying to remove. So there's no way a socket will fit over it huh? That sucks haha.
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01-13-2013, 03:24 PM
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Starting Member
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Join Date: Jan 2013
Posts: 3
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i have an 89 with the 4.3 and im not even sure where the switch/sendin unit is.. iif i aint mistakin i believe its right behind my airfilter on the drivers side of my dist. cap can anyone clarify?? i havent done any test but i figured hell it was only 11$ couldnt hurt to replace it because my gage fluctuates itll idle at like 30 after its warm everynow and then itll jump up to80+ psi. followed by a shutter. so any advice on where its out and how in the hell i can get the thing out? cause if im lookin in the right place it aint gonna be easy.
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01-13-2013, 05:40 PM
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It is on the driver side of the distributor. For access you will have to remove the air cleaner and most likely the throttle body bracket on the drivers side of the intake manifold. If this is the original factory switch you will have to use a open end wrench to remove the switch because the switch housing is wider than the hex at the base of the switch. Note: The switch is mounted on an angled adapter that threads into the block. Be carefull not to put sideways pressure on the switch or you will chance breaking off the adapter in the block. I know that this is a concern as I did this and had to remove the broken adapter and than get a new adapter at a "you pull it junkyard".
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1989 S15 Jimmy (DD) with 415K Miles, GM Factory Rebuilt Engine/Trans. New Paint, Headliner, New Suspension Bushings, Eddlebrock Waterpump/Shocks, Adj. Fuel Pressure Regulator and in line Fuel Gage, Injector Spacer, K&N Air Filter, Stock Exhaust, Michalin X-Radial Tires (215/70) Stock Rally Rims, Pioneer Head Unit, IPOD Adapter, Pioneer 4X6 Plates in the front, Pioneer 6X9 5 way sp Rear, 8" Clarion enclosed amp & supwoofer, 10 Disk CD Player. ABS Headliner, Original Owner.
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01-13-2013, 05:40 PM
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Tags
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43, 88, blazer, chevy, extra, gauge, gm, install, location, oil, pressure, removal, s10, sensor, switch, v6  |
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