1994 Tercel ..Oil pressure sensor removal. - Toyota Nation Forum : Toyota Car and Truck Forums
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post #1 of 7 Old 05-14-2019, 07:17 AM Thread Starter
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1994 Tercel ..Oil pressure sensor removal.

Hey...hi. My oil pressure sending unit leaks and needs removed. It has a plastic collar that a normal wrench does not fit. It looks like it requires a special socket (worth more than the sensor itself)....Has anybody have any tricks up their sleeve for safe removal by other means....vice grips and a hammer as an example??. I don't want to strip the threads in the block or snap the unit into two pieces. I tried various sealants to seal the leak, but with no success. No mechanics that I have contacted had the proper socket......they all just say "bring it in, we'll take a look at it"....yeah, I've already looked at it, and I didn't charge myself $90.00 per hour! Any tips at all would be appreciated. Thank you......and, do I have to remove the radiator?
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post #2 of 7 Old 05-14-2019, 08:03 AM
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Clean off the sensor really well. Unplug it and use carb-cleaner and clear out area between plastic ring and block. You’ll see flat sides of a nut that you can fit socket over. I think it’s 18 or 19mm or some such.
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post #3 of 7 Old 05-16-2019, 12:48 PM
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Quote:
Originally Posted by DennisJJ View Post
It looks like it requires a special socket
The part next to the block is metal and an ordinary 6-point deep socket of the appropriate size will fit just fine. It's pretty big, twenty-something millimeters I think. The pipe-threaded part that screws into the block is not very big, maybe 10mm or so, and it should come out without much force.
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post #4 of 7 Old 05-17-2019, 06:48 AM Thread Starter
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Hey...hi. Thanks, everyone for your input. There was a design specific, oil pressure sending unit, thin walled socket, with the indented grooves that I required, at Canadian Tire. It was less than $12.00, so I bought it....I'm content now...lol. I'm still not sure if there is a steel shouldered nut behind the plastic ring or not. Either way, I'll post a picture with the socket number and my old sensor, when I get my new sensor (had to order it from NAPA).....the unit was cheaper than the socket...haha
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post #5 of 7 Old 05-17-2019, 06:35 PM
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Weird. Should have regular hex nut on it to remove easily.



Let's see picture of the one on your car. And replacement unit.
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post #6 of 7 Old Yesterday, 06:05 AM
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Quote:
Originally Posted by DannoXYZ View Post
Weird. Should have regular hex nut on it to remove easily.



Let's see picture of the one on your car. And replacement unit.
That is an aftermarket part. The OE looks more like the pic. More rounded edges on the "hex".
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post #7 of 7 Old Yesterday, 01:28 PM
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Quote:
Originally Posted by chuckoff View Post
That is an aftermarket part. The OE looks more like the pic. More rounded edges on the "hex".
A 19 or 20mm deep socket should still fit it?

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