help on oil pressure guage 98 civic ex - Honda-Acura.net

FlipVJD · 10-07-04, 09:09 AM

I was wondering how to install a mechanical oil pressure guage on my 98 civic ex??? I have looked and the dohc engines have a spot to put this, but I have looked on mine, and found nothing. If anyone knows what I should do, please tell me how!!!

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99SIguy · 10-07-04, 06:09 PM

i would get rid of the mechanical guage, and opt for the little more expensive electronic unit... Because you do not want an oil pressure line running into the car from the engine bay, with an electronic unit you mount a sending unit on the bloack and run some wire into the car... if that oil line comes un done, or breaks... nice oil smell inside your car forever!

sakura99 · 10-12-04, 07:55 PM

to run the oil line to the gauge, you need to put a brass tee into the block. on the back of the block, about six or seven inches above the oil filter is the stock oil pressure sending wire. it's a big nut with a wire coming out of the middle. pull off the wire, take off the nut and put a tee into the block. then reconnnect the stock sending nut on one side of the tee, and the oil line to the gauge on the other side.

tips:
-the nut is a 15/16, and you need to use a deep socket to clear where the wire attaches.
-remember to use teflon tape on all the threads, and don't over torque the tee; if it is made of brass it doesn't take much to break off the threaded part in the block.
-also, remember that if the tee has pipe thread, it doesn't need to be screwed all the way into the block, (i.e. the tee doesnt need to be flush against the block)
-since you have a mech. gauge, clearance behind the block isn't as much of a problem vs. a elec. gauge that needs a sending unit, so a standard tee should work. if the clearance isn't enough, a 90 degree tee will.

and in my opinion, as far as elec. vs. mech., if you install it right, you shouldn't need to worry about leaks. also, the readings on (any) mech. gauge (vs. the same gauge in elec.) are finer, and more accurate. but, that's just my opinion. good luck

10-07-04, 06:09 PM	#2
99SIguy Registered User Join Date: Aug 2004 Location: Roseburg Oregon Posts: 34	i would get rid of the mechanical guage, and opt for the little more expensive electronic unit... Because you do not want an oil pressure line running into the car from the engine bay, with an electronic unit you mount a sending unit on the bloack and run some wire into the car... if that oil line comes un done, or breaks... nice oil smell inside your car forever! __________________ 1999 Honda Civic SI Electron Blue Pearl CTR headlights AEM CAI Skunk2 Catback Skunk2 Shift Knob Tenzo R Big Rotor Conversion (12" rotors) Tein S tech Springs Still slow...

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10-12-04, 07:55 PM	#3
sakura99 Registered User Join Date: Oct 2004 Location: Hawaii Posts: 18	to run the oil line to the gauge, you need to put a brass tee into the block. on the back of the block, about six or seven inches above the oil filter is the stock oil pressure sending wire. it's a big nut with a wire coming out of the middle. pull off the wire, take off the nut and put a tee into the block. then reconnnect the stock sending nut on one side of the tee, and the oil line to the gauge on the other side. tips: -the nut is a 15/16, and you need to use a deep socket to clear where the wire attaches. -remember to use teflon tape on all the threads, and don't over torque the tee; if it is made of brass it doesn't take much to break off the threaded part in the block. -also, remember that if the tee has pipe thread, it doesn't need to be screwed all the way into the block, (i.e. the tee doesnt need to be flush against the block) -since you have a mech. gauge, clearance behind the block isn't as much of a problem vs. a elec. gauge that needs a sending unit, so a standard tee should work. if the clearance isn't enough, a 90 degree tee will. and in my opinion, as far as elec. vs. mech., if you install it right, you shouldn't need to worry about leaks. also, the readings on (any) mech. gauge (vs. the same gauge in elec.) are finer, and more accurate. but, that's just my opinion. good luck