Knock sensor broke off block

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Aug 14, 2018 | 04:54 PM

2004goatls1

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Knock sensor broke off block

Is there a way to repair this whent to take off knock sensor and everything came off

Aug 15, 2018 | 05:41 PM

jaxcam02

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Oh man tough break. Good luck.

Aug 15, 2018 | 05:53 PM

BALLSS

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torch around the sensor on block. Heat is likely the best method

Figure a way to get some form of tool (vice grips??) on the piece that is stocking out. Or dermal a slot in it and use a large screw driver to turn it

Heat around it quite a bit

Aug 15, 2018 | 05:56 PM

MY_2K_Z

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Did you not see the picture? The block broke not the sensor.

Aug 15, 2018 | 06:14 PM

2004goatls1

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Any one know if that's cast iron or aluminum it's an ls1?

Aug 15, 2018 | 07:35 PM

MY_2K_Z

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Aluminum

Aug 15, 2018 | 10:35 PM

bsf

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Maybe the following thread will be helpful.

https://www.corvetteforum.com/forums...ut-help-2.html

Posts 39-41

Please update, at least when there has been some sort of solution implemented. Thanks.

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Aug 17, 2018 | 02:48 PM

BALLSS

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Quote:

Originally Posted by MY_2K_Z

Did you not see the picture? The block broke not the sensor.

My bad...saw 1st pic quickly on my cell phone and thought the threaded part of sensor broke off "in" the block, not the block casting

is anti seize recommended for KS??

Aug 17, 2018 | 03:13 PM

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ss.slp.ls1

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If you can't get it welded then I think you could relocate your knock sensors to the sides of the block like the GenIV engines. It would require lengthening the harness and I think drilling and taping two existing bolt holes.

Aug 17, 2018 | 08:20 PM

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2004goatls1

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Quote:

Originally Posted by ss.slp.ls1

I have heard of that on ls2 but I'm not sure if it will work with an ls1

Aug 17, 2018 | 11:49 PM

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ss.slp.ls1

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Quote:

Originally Posted by 2004goatls1

I have heard of that on ls2 but I'm not sure if it will work with an ls1

I though I read a sticky about swapping an LS3/L92 into a '98 - '02 Fbody with one option to drill and tap the gen 4 block and install LS1 knock sensors. I think as long as it's secured to the block it should sense knock, regardless of Gen IV or Gen III. I hope someone can correct me if I'm mistaken.

Edit: here it is:

https://ls1tech.com/forums/generatio...02-f-body.html

From thread,
"-Knock sensors from your LS1
-Drill & Tap block 10mm x 1.5 for knock sensors same as LS2 swap
-Knock sensor extension harness (katech or racetronix)"

Hopefully my idea will work for you if necessary. Good luck.

Last edited by ss.slp.ls1; Aug 17, 2018 at 11:58 PM.