Knock sensor location - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 11-04-2009, 12:05 AM   #1
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Talking Knock sensor location

does anybody know where the knock sensor location is on a 93 bonneville. The repair manual i have does not show the proper location. i hope i do not have to go to a garage because i can not find it


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Old 11-04-2009, 12:06 AM   #2
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oh ya it is a 93 bonneville se
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Old 11-04-2009, 12:07 AM   #3
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There should be one in the front near the starter, and another on the rear near the center of the engine.
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Old 11-04-2009, 12:10 AM   #4
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Thanks i will check it out
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Old 11-04-2009, 12:13 AM   #5
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This should help on finding them as well as testing them out https://www.gmforum.com/t284736/
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Old 11-04-2009, 08:38 AM   #6
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Series 1 had a single sensor in a different location than the Series 2/3.

IIRC it was either near the oil filter adapter or the flywheel.in 93.
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Old 11-04-2009, 10:24 AM   #7
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This information came from someone else.

Quote:
93 has the knock sensor right above the starter
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Old 11-04-2009, 10:44 AM   #8
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if you are at the front of the vehicle looking into the engine bay it will be on the left. It is almost right above where the oil filter is.


i looked it up in alldata and that'* what its telling me

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Old 11-04-2009, 11:38 AM   #9
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And the more we look the more we find it isn't consistent

Quote:
Originally Posted by 95naSTA
I think it depends on L27/L67 for the series 1.
(From gmforum.com)
Quote:
Originally Posted by J Wikoff
I'm starting to think knock sensor location depends on who put it together. Some say on the back near the oil filter, some say on the front above the starter. My 92 L67 has one on the rear, the 93 SE parts L27 has one above the starter. It goes back and forth from year to year.
Quote:
Originally Posted by bill buttermore
Yeah, it can be confusing. My '95 FSM shows:
Series I L67 with one sensor in the back near the oil sender; threads in parallel to ground.
Series I L27 with one sensor in the front towards the middle of the water jacket; threads in parallel to ground.
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Old 11-04-2009, 12:14 PM   #10
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Sure looks that way Bill. But what I have seen is, it'* in either the front near the starter, and or the rear along the oil pan. So check both locations for a sensor with a single wire going in to it.
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