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7.3L IDI Diesels (Not Power Strokes) Technical discussion of topics related to vehicles powered by the 7.3 Liter In-Direct Injection Navistar engines.

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Old 11-10-2012, 10:49 AM   #1 (permalink)
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Oil pressure sending unit

Ok, I have been trying unsuccessfully to take the oil pressure sending unit, which I think is on its way out, off the engine block. I know its located to the left of the glow plug control if your looking at the engine. Anyone have any tricks on how to get it off? I can't seen to get a socket over it and no room with my large hands to get vice grips or pliers on it. Anyone know of a trick. It will save me a lot of cursing at the darn thing.
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Old 11-10-2012, 10:59 AM   #2 (permalink)
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Can you get to it with a pair of pliers and break the plastic plug off, then use a socket on it?
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Old 11-10-2012, 11:16 AM   #3 (permalink)
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It may have a hex under the switch body, if you have crowfoot sockets you could use a ratchet & extension to get it off.
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1991 F350 Lariat XLT, 7.3l, 5-speed, crew cab, SRW, 3.55, 2WD.

1990 Jeep Wrangler Sahara, in the process of a major overhaul/upgrade. OM617 on the horizon! Front & rear Dana 44s from a Wagoneer till I get some 1-ton axles built & narrowed, and eventually a front shackle reversal. Diesel YJ, bay-BEE, and not a cookie-cutter 4BT conversion!
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Old 11-10-2012, 11:23 AM   #4 (permalink)
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Quote:
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It may have a hex under the switch body, if you have crowfoot sockets you could use a ratchet & extension to get it off.
Yea, Phil, I think they're the bell shape design and that's what it takes.
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Old 11-10-2012, 12:12 PM   #5 (permalink)
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Might be a can, might be a bell, either way it should have flats under the sender.

If you are replacing it, now is your chance to make your oil pressure idiot needle into an oil pressure gauge. Ford Oil Pressure Gauge Fix
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Old 11-10-2012, 12:56 PM   #6 (permalink)
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That article is pretty good. A bit wordy, but good. I'm wondering if a rear window defroster repair kit would be an easier way to bridge the gap after the resistor is removed?
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Check my lists of common part numbers in my photos! Updated often!

1991 F350 Lariat XLT, 7.3l, 5-speed, crew cab, SRW, 3.55, 2WD.

1990 Jeep Wrangler Sahara, in the process of a major overhaul/upgrade. OM617 on the horizon! Front & rear Dana 44s from a Wagoneer till I get some 1-ton axles built & narrowed, and eventually a front shackle reversal. Diesel YJ, bay-BEE, and not a cookie-cutter 4BT conversion!
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Old 11-10-2012, 06:51 PM   #7 (permalink)
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I have a temperature-controlled soldering iron, so that's what I would use.

If I didn't, I would try a conductive pen, which you should be able to get for about five bucks.
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Old 11-10-2012, 08:15 PM   #8 (permalink)
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Just use a pencil, they work great in distributor caps LOL
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Check my lists of common part numbers in my photos! Updated often!

1991 F350 Lariat XLT, 7.3l, 5-speed, crew cab, SRW, 3.55, 2WD.

1990 Jeep Wrangler Sahara, in the process of a major overhaul/upgrade. OM617 on the horizon! Front & rear Dana 44s from a Wagoneer till I get some 1-ton axles built & narrowed, and eventually a front shackle reversal. Diesel YJ, bay-BEE, and not a cookie-cutter 4BT conversion!
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Old 11-10-2012, 10:18 PM   #9 (permalink)
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The pencil would produce too much resistance
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