Generation III Internal Engine 1997-2006 LS1 | LS6
Sponsored by:
Sponsored by:

knock sensor removel...

Thread Tools
 
Search this Thread
 
Old Oct 8, 2011 | 09:03 AM
  #1  
palaSS's Avatar
Thread Starter
Teching In
 
Joined: Aug 2009
Posts: 16
Likes: 0
From: Philadelphia
Default knock sensor removel...

Please excuse me if I'm posting In The wrong place but I'm workin on a 02 tahoe w/5.3 motor and need to replace the number 2 ks. The problem I'm having is the old one wont come out. I'm tryin to remove it using a 21mm socket but the part where the socket goes onto has stripped and rounded. I've tried using an extractor kit with a 17 and 19 mm extractor but its starting to get worse. Can anybody help. Don't really care what car it is as long as its the same setup it could help me in this situation... Thanks in advance...
Reply
Old Oct 8, 2011 | 09:39 AM
  #2  
MrElectric03's Avatar
TECH Fanatic
15 Year Member
iTrader: (71)
 
Joined: Dec 2007
Posts: 1,885
Likes: 1
From: Southern California
Default

You may need to get a socket that is just a little small to fit around the outside and hammer it on. The design on those really sucks for using a socket and once a little moisture gets in there the sensors rust.
Reply
Old Oct 8, 2011 | 10:30 AM
  #3  
palaSS's Avatar
Thread Starter
Teching In
 
Joined: Aug 2009
Posts: 16
Likes: 0
From: Philadelphia
Default

Yea, its rusted pretty good. I've tried the smaller socket but didn't work which brought me to to extractor idea which isn't really helping cause I'm using a 17mm now and still nothin... Can I take the valley cover off and get to it easier?
Reply
Old Oct 8, 2011 | 12:15 PM
  #4  
RARON455's Avatar
TECH Fanatic
15 Year Member
iTrader: (35)
 
Joined: Apr 2008
Posts: 1,616
Likes: 4
From: Fort Worth Texas
Default

Yes, the valley can come off with the sensors still screwed into the block,, after that you may be able to grab them with a set of vise grips or something... When You put new knock sensors in, put some antisieze on the threads, and they only torque to 11 Ft. lbs. Hope this helps
Reply
Old Oct 8, 2011 | 09:31 PM
  #5  
S10xGN's Avatar
TECH Junkie
iTrader: (11)
 
Joined: Jul 2005
Posts: 3,782
Likes: 7
From: Port Neches, TX
Default

Originally Posted by RARON455
Yes, the valley can come off with the sensors still screwed into the block,, after that you may be able to grab them with a set of vise grips or something... When You put new knock sensors in, put some antisieze on the threads, and they only torque to 11 Ft. lbs. Hope this helps
Ah, no. The sensors screw directly into the block through grommets in the valley cover. Ergo, the sensors must be removed first.
Reply
Old Oct 8, 2011 | 11:13 PM
  #6  
Rikoshay's Avatar
Staging Lane
 
Joined: Jul 2011
Posts: 59
Likes: 0
Default

Seems like the holes at the bottom of mine were plenty big enough.

The rear rubber gasket on mine actually stuck on the post after I removed the rear knock sensor.

It would take some prying, but pretty sure you could get it off with the gaskets and knock sensors in place.
Reply
Old Oct 9, 2011 | 08:50 PM
  #7  
S10xGN's Avatar
TECH Junkie
iTrader: (11)
 
Joined: Jul 2005
Posts: 3,782
Likes: 7
From: Port Neches, TX
Default

Originally Posted by Rikoshay
Seems like the holes at the bottom of mine were plenty big enough.

The rear rubber gasket on mine actually stuck on the post after I removed the rear knock sensor.

It would take some prying, but pretty sure you could get it off with the gaskets and knock sensors in place.
OK, I'll concede on this after looking at the images on this post. I swear I remember mine tapering down more, but I guess the cover could be pried off in a pinch. Could bust thinhs up though...
Reply




All times are GMT -5. The time now is 09:07 AM.

story-0
Retro Modern Bandit Pontiac Trans AM Comes With Burt Reynolds' Autograph

Slideshow: A modern Camaro transformed into a retro icon, this limited-run "Bandit" build blends nostalgia with brute force in a way few revivals manage.

By Verdad Gallardo | 2026-04-21 13:57:02


VIEW MORE
story-1
Top 10 Greatest Cadillac V Series Performance Models Ever, Ranked

Slideshow: Cadillac didn't just crash the high-performance luxury vehicle party, it showed up loud, supercharged, and occasionally a little unhinged...

By Pouria Savadkouei | 2026-04-16 10:05:15


VIEW MORE
story-2
Top 10 Most Powerful Chevy Trucks Ever Made!

Slideshow: Top ten most powerful Chevy trucks ever made

By | 2026-03-25 09:22:26


VIEW MORE
story-3
Hennessey's New Supercharged Silverado ZR2 Has 700 HP

Slideshow: Hennessey has turned the Silverado ZR2 into a 700-hp off-road monster with supercharged V8 power and a limited production run.

By Verdad Gallardo | 2026-03-24 18:57:52


VIEW MORE
story-4
Coachbuilt N2A Anteros Is an LS2-Powered C6 Corvette In Italian Clothes

Slideshow: A one-off sports car that looks like a vintage Italian exotic-but hides a C6 Corvette underneath-just sold for the price of a new mid-engine Corvette.

By Verdad Gallardo | 2026-03-23 18:53:41


VIEW MORE
story-5
Awesome K5 Blazer Restomod Comes With C7 Corvette Power

Slideshow: A heavily reworked 1972 K5 Blazer swaps its off-road roots for a low-slung street-focused build with modern V8 power.

By Verdad Gallardo | 2026-03-09 18:08:45


VIEW MORE
story-6
10 Camaros You Should Never Buy

Slideshow: There are thousands of used Camaros on the market but we think you should avoid these 10

By | 2026-02-17 17:09:30


VIEW MORE
story-7
10 LS Engine Myths That Refuse to Die

Slideshows: Which one of these myths do you believe?

By Verdad Gallardo | 2026-01-28 18:10:11


VIEW MORE
story-8
Five Reasons the Camaro Was the Most Pivotal Player in the Pony Car Wars 2.0

The world was a better place when it was still around.

By Brett Foote | 2026-01-23 09:20:37


VIEW MORE
story-9
10 Reasons the LS7 Is GM's Most Extreme Naturally Aspirated V8 Engine Ever

Slideshow: The 7.0-liter LS7 was designed for absolute cutting-edge performance.

By Verdad Gallardo | 2026-01-07 18:36:00


VIEW MORE