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post #1 of 10 Old 05-25-2013, 10:59 AM Thread Starter
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Question Seized Exhaust Sensors

Hey all,

So I'm swapping out my exhaust, dpf delete etc etc, I've gotten two of the 4 sensors out of the stock exhaust but two remain determined to stay. I've sprayed and sprayed thread penetrator on them, and they won't budge.

Can I heat these up to help loosen them?

Please any tips or suggestions would be great!

Thanks!
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post #2 of 10 Old 05-25-2013, 12:49 PM
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You can, but you risk tearing the threads out of the DPF/CAT. Been there done that.

I would just spend a couple bucks buy some new sensors. You may end up screwing the sensor or the dpf itself in attempts at removal.

I never had a great deal of luck removing them, even with heat and real fancy penetrating lube.

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post #3 of 10 Old 05-25-2013, 02:32 PM Thread Starter
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Thanks for the response! That's what I figured I was looking at having to do in the end. Damn sensors are still winning, albeit the rest of the new exhaust is all installed. Guess I'll have to wait for the stealership to open on Monday.

Thanks again!
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post #4 of 10 Old 06-03-2013, 04:43 PM
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I just did it last week screwed up two of the sensors and just bought new ones their not cheap tho
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post #5 of 10 Old 06-04-2013, 10:12 AM
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If you are tuning with H&S just un plug them, leave the sensor in in the DPF

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post #6 of 10 Old 07-27-2013, 09:00 PM
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Replacement sensor bungs now available on Ebay

You can now get replacement EGT sensor bungs for these on ebay now. I keep a couple in my toolbox and they have saved my *** already - as recently as last week even. On that one, the egt #3 was so seized, that the entire bung broke off the dpf when I tried unscrewing the sensor. I even heated it cherry red with the gas wrench but still no go. And the customer was just out of warranty by 400 miles. He was happy to pay me a little extra to weld on a new bung instead of selling him a new DPF like I used to do before finding the replacement bungs on Ebay. Hopefully this info helps someone.
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post #7 of 10 Old 07-30-2013, 04:54 PM
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Here is the ebay link for replacement egt sensor bungs:


OE Style Exhaust Gas Temp EGT Sensor Bung for Ford Powerstroke Diesel 6 4 6 7L | eBay


I hope those ^^^ help

Last edited by Jeff_E; 09-12-2013 at 11:22 AM. Reason: updated link
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post #8 of 10 Old 08-10-2013, 04:25 PM
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Quote:
Originally Posted by ThirdCoastStroker View Post
If you are tuning with H&S just un plug them, leave the sensor in in the DPF
Totally on the money here. H&S = leave the sensors in the exhaust, disconnect from the harness.

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post #9 of 10 Old 08-10-2013, 04:48 PM
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I soak it from the night before with some aerokroil and use a flare nut wrench. Zero issues, comes right out every time

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post #10 of 10 Old 08-15-2013, 09:59 PM
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Quote:
Originally Posted by RUFFSTUFF View Post
Totally on the money here. H&S = leave the sensors in the exhaust, disconnect from the harness.
Quote:
Originally Posted by ThirdCoastStroker View Post
If you are tuning with H&S just un plug them, leave the sensor in in the DPF
If you are gonna do this have the extra $10 for a roll of electrical tape and some electrical/dielectric grease and seal those connectors up before they corrode on you.
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