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Old 02-24-2013   #1
Funracer
 
Join Date: Oct 2011
Location: Shalimar, FL
Posts: 192
Default Knock sensor picture?

Anyone have a picture of the knock sensor location for a '91 LT5?
I believe I have it ID'd on the lower forward drivers side tranny case?

If that is the one, how to remove the connector? Not immediately obvious and I do not want to break the now 23 year old plastic clip trying to bend it the wrong way.

Thanks
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Old 02-24-2013   #2
Dynomite
 
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Location: South Dakota/California
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Default Re: Knock sensor picture?

Quote:
Originally Posted by Funracer View Post
Anyone have a picture of the knock sensor location for a '91 LT5?
I believe I have it ID'd on the lower forward drivers side tranny case?

If that is the one, how to remove the connector? Not immediately obvious and I do not want to break the now 23 year old plastic clip trying to bend it the wrong way.

Thanks
Hang on for a minute.....

Drivers side just behind motor mount above oil level sensor (oil level sensor on oil pan and knock sensor on engine block)
22 mm socket


Last edited by Dynomite; 06-07-2022 at 11:50 AM.
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Old 02-24-2013   #3
LGAFF
 
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Location: Crystal Lake, IL
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Default Re: Knock sensor picture?

hey if you are seeing a knock, don't forget to check your chip, my knock sensor board was bad....
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90 #966-150K miles-sold
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Old 02-25-2013   #4
Funracer
 
Join Date: Oct 2011
Location: Shalimar, FL
Posts: 192
Default Re: Knock sensor picture?

Quote:
Originally Posted by Dynomite View Post
Hang on for a minute.....

Drivers side just behind motor mount above oil level sensor (oil level sensor on oil pan and knock sensor on engine block)
22 mm socket


Thanks! Thats the one I thought it was. How do you unclip
the plug?
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Old 02-25-2013   #5
Funracer
 
Join Date: Oct 2011
Location: Shalimar, FL
Posts: 192
Default Re: Knock sensor picture?

Quote:
Originally Posted by LGAFF View Post
hey if you are seeing a knock, don't forget to check your chip, my knock sensor board was bad....
Hi Lee

No idea how to check my knock sensor board. Did swap chips with
a friend and no change. Going to pull the sensor and Ohm check it.

Plenum and IH's come off this week as we discussed. My son pointed
out that the valve covers will look like cr*p now by comparison so those
might have to go as well. I have never pulled them so will be searching the
forum to educate myself before it happens.

Got a laundry list of things to do while I wait for the plenum. I am going to
start a new thread for the project with lots of pics.

I will get back to you later this week.

Funracer (Neil)
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Old 02-25-2013   #6
WVZR-1
 
Join Date: Oct 2004
Posts: 1,890
Default Re: Knock sensor picture?

Squeeze at the wider dimension.

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Old 02-25-2013   #7
Funracer
 
Join Date: Oct 2011
Location: Shalimar, FL
Posts: 192
Default Re: Knock sensor picture?

Quote:
Originally Posted by WVZR-1 View Post
Squeeze at the wider dimension.

Thanks that is perfect.
Regards
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Old 02-25-2013   #8
A26B
 
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Location: Arcadia,OK
Posts: 3,391
Default Re: Knock sensor picture?

Quote:
Originally Posted by Funracer View Post
Hi Lee

No idea how to check my knock sensor board. Did swap chips with
a friend and no change. Going to pull the sensor and Ohm check it.

Plenum and IH's come off this week as we discussed. My son pointed
out that the valve covers will look like cr*p now by comparison so those
might have to go as well. I have never pulled them so will be searching the
forum to educate myself before it happens.

Got a laundry list of things to do while I wait for the plenum. I am going to
start a new thread for the project with lots of pics.

I will get back to you later this week.

Funracer (Neil)
We stock the famous "Lingenfelter LT5" engine paint in rattle cans, as well as all the gaskets & seals, Stainless Steel top end bolt kits, plus a very large inventory of new & used parts. Different levels of "Combo Kits" for the most common LT5 maintenance are also available.

http://jerrysgaskets.com/store2/root...roducts_id=658

http://jerrysgaskets.com/store2/root...index&cPath=27

http://jerrysgaskets.com/store2/root...ex&cPath=19_20


Jerry
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JERRYS LT5 GASKETS & PARTS
http://www.jerrysgaskets.com
1994 ZR-1, Black/Black, Lingenfelter Aerobody, 416cu in, 3.91 gears, coil-over susp, Brembo brakes, etc.
2016 Black-Red, 3LT-Z51 Auto 8-speed.

Last edited by A26B; 02-25-2013 at 10:53 AM.
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Old 02-25-2013   #9
Dynomite
 
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Location: South Dakota/California
Posts: 3,797
Default Re: Knock sensor picture?

Quote:
Originally Posted by A26B View Post
We stock the famous "Lingenfelter LT5" engine paint in rattle cans, as well as all the gaskets & seals, Stainless Steel top end bolt kits, plus a very large inventory of new & used parts. Different levels of "Combo Kits" for the most common LT5 maintenance are also available.
Jerry
And......and......Jerry has all the LT5 nuts and bolts as well as ALL gaskets which when Jerry sends out a gasket his packaging is the best anywhere (gaskets are the most difficult to send in the mail). I have never received a bent or broken gasket from Jerry
You will receive the part in two/three days ALWAYS. Unbelievable response tied with Summit Racing in that regard but beats Summit Racing on packaging

Quote:
Originally Posted by Funracer View Post
I am going to start a new thread for the project with lots of pics.
Funracer (Neil)
Now we are talking when you mention "pics"

Last edited by Dynomite; 02-25-2013 at 11:16 AM.
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Old 02-26-2013   #10
Funracer
 
Join Date: Oct 2011
Location: Shalimar, FL
Posts: 192
Default Re: Knock sensor picture?

Knock sensor ohmed at 3.86. Searched the repair manual far and wide
for a knock sensor torque value but nada. I wagged it. On to the next thing.

Thanks again
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