C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Knock Sensor question

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Old Oct 30, 2009 | 02:50 AM
  #21  
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Originally Posted by CFI-EFI
It is good to see you posting again, Casey. I believe we both have been away.


RACE ON!!!
Gday Jim I come and go as i please these days mate yeah. How have you been?

Originally Posted by 383vett
A screwdriver handle will not destroy a knock sensor. If yours is too sensitive, wrap the threads with teflon tape.
It certainly wont do it any favours if its old and the plastic has gone brittle, and there is no need to hit the knock sensor anyway.
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Old Oct 30, 2009 | 05:35 AM
  #22  
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looks like this weekend I have work to do
the information found on this forum really helped me a lot

Last edited by ndanl; Oct 30, 2009 at 05:39 AM.
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Old Oct 30, 2009 | 06:10 AM
  #23  
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Yeah mate sometimes it can be good, sometimes there is a whole lot of garbage though.
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Old Oct 30, 2009 | 11:21 AM
  #24  
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Case! Glad to see you back in effect, man.
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Old Oct 31, 2009 | 01:32 AM
  #25  
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No worries mate How have you been?
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Old Oct 31, 2009 | 11:59 AM
  #26  
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ok guys, which one is the knock sensor on L98 ? I searched the web but found nothing that looks like anything that I have on my engine
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Old Oct 31, 2009 | 12:09 PM
  #27  
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Originally Posted by ndanl
ok guys, which one is the knock sensor on L98 ? I searched the web but found nothing that looks like anything that I have on my engine
Passenger side of the block, in the middle, just above the oil pan gasket. It is hiding behind a plate that bolts to the pan. Plate is kinda shaped like a triangle.
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Old Oct 31, 2009 | 12:30 PM
  #28  
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Originally Posted by ndanl
ok guys, which one is the knock sensor on L98 ? I searched the web but found nothing that looks like anything that I have on my engine
The knock sensor replaces the water jacket drain plug on the right side of the block. It is just above the oil pan rail and forward of the starter. When you locate it, you may understand one reason not to strike it with anything, access.

RACE ON!!!
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Old Nov 5, 2009 | 12:04 PM
  #29  
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is it possibel to change the KS without going under the car ?
10x
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Old Nov 5, 2009 | 05:08 PM
  #30  
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I hate it when you reach up there and coolant runs down your arm and runs in your ear while looking the other way !

Mechanics don't make near enough !
Of course they don't have to lay on their back with the Dog licking on their belly and the hydraulic jack sinking in perceptively.
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Old Nov 5, 2009 | 05:12 PM
  #31  
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Originally Posted by ndanl
is it possibel to change the KS without going under the car ?
10x
Anything is possible. Underneath is easier. Try it from the top, and let us know how it worked out.

Last edited by Pete K; Jun 25, 2010 at 12:50 PM.
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Old Jun 25, 2010 | 12:46 PM
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I am replacing water pump, opti, etc this weekend. I have a '94 with 73,000 miles. I will start by draining old antifreeze and flushing engine with distilled water. How important is it to remove KS in order to remove ALL the antifreeze? My main concern is disturbing something that is 16 years old, currently working, and not leaking. Or, does it make sense to replace KS at this time?
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Old Jun 25, 2010 | 01:32 PM
  #33  
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Originally Posted by ndanl
is it possibel to change the KS without going under the car ?
10x
Remember the joke about the gynecologist or was it proctologist? He got tired of his profession and decided to take up auto mechanics. At the end of the engine rebuilding class he found he got 150% on the test. He asked the instructor how he got it

Student: I built the engine back like everyone else. It worked. How did I get 150% on the test
Instructor: Well everyone did the same but you did it thru the exhaust pipe.
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Old Jun 25, 2010 | 01:33 PM
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Here is an easy way. Plug in a scanner and take it for a run. Rev the engine up. If it sees small knock counts, the sensor works.
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Old Jun 25, 2010 | 01:33 PM
  #35  
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Originally Posted by Pete K
Anything is possible. Underneath is easier. Try it from the top, and let us know how it worked out.
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