maxhopper97
Super Moderator
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4491 posts
97 Maxima SE/93 G20
Louisville, KY
11-10-2003
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http://www.moodym.com/maxima/c...knock
-ScottBuy From NICO Sponsors - They make this site possible! Get your pimp gear here! 
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d3v0
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23 posts
1999 Red Nissan Maxima SE-L
Annandale VA
5-31-2007
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| « Re: (maxhopper97) | 3:15 PM 6/18/2007 |
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that is just testing it, not replacing it......i want to replace it 
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rxm6
Offline
321 posts
'98 I30T, '93 240sx SE
San Jose CA
3-23-2007
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| « Re: (d3v0) | 3:37 PM 6/18/2007 |
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http://www.motorvate.ca/mvp.php/507The knock sensor is not critical to whether the car runs or not. If you disconnect your sensor the car will still run just fine, except it will get significantly lower gas mileage and performance.
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maxhopper97
Super Moderator
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4491 posts
97 Maxima SE/93 G20
Louisville, KY
11-10-2003
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| « Re: (d3v0) | 4:29 PM 6/18/2007 |
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| Quote, originally posted by d3v0 » | | that is just testing it, not replacing it......i want to replace it |
If you had read further down the page it tells you about installation. 
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d3v0
Offline
23 posts
1999 Red Nissan Maxima SE-L
Annandale VA
5-31-2007
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| « Re: (maxhopper97) | 5:15 PM 6/18/2007 |
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 DOH! 
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MaximA32
Super Moderator
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4565 posts
1998 Maxima
Corona/Sheffield Lake CA/OH
7-9-2006
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The flat rate book tells you it takes 4 hours. It only takes me 15 minutes.
-Kenny
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| Quote, originally posted by AZhitman » | | It's a charity event.They felt sorry for the waterhead. |
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d3v0
Offline
23 posts
1999 Red Nissan Maxima SE-L
Annandale VA
5-31-2007
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| « Re: (NSR A32) | 4:04 PM 6/20/2007 |
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| Quote, originally posted by NSR A32 » | | The flat rate book tells you it takes 4 hours. It only takes me 15 minutes. |
What do i move inorder to get to the knock sensor? cause i looked at it and i could bearly see it without having to move stuff around
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MaximA32
Super Moderator
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4565 posts
1998 Maxima
Corona/Sheffield Lake CA/OH
7-9-2006
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I pull out the upper half of the air box in order to get a good look at it. I then use about 18" of extensions and a 12mm swivel socket to remove the bolt.
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rxm6
Offline
321 posts
'98 I30T, '93 240sx SE
San Jose CA
3-23-2007
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| « Re: (NSR A32) | 5:43 PM 6/20/2007 |
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| Quote, originally posted by NSR A32 » | | I pull out the upper half of the air box in order to get a good look at it. I then use about 18" of extensions and a 12mm swivel socket to remove the bolt. |
+1 Beats the hell out of 4 hours of labor intensive work.
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d3v0
Offline
23 posts
1999 Red Nissan Maxima SE-L
Annandale VA
5-31-2007
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| « Re: (NSR A32) | 6:00 PM 6/20/2007 |
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| Quote, originally posted by NSR A32 » | | I pull out the upper half of the air box in order to get a good look at it. I then use about 18" of extensions and a 12mm swivel socket to remove the bolt. |
This scares me, what do i use to snug it down? by hand or with a torque wrench?
Tighten the knock sensor bolt by hand, until the it is snug. I had just enough room to get a wrench on the bolt and tighten it. If you over tighten, the knock sensor will be VERY sensitive, and if you under tighten the knock sensor will not se sensitive enough. The factory spec is 15-20 foot-lbs
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Ryan Heo
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244 posts
1996 Infiniti I30
okemos MI
6-3-2007
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| « Re: (d3v0) | 9:27 PM 6/21/2007 |
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The problem is that the sensor is very senstive, so how much power to tighten the sensor is very crucial. However how do I know? Do I have to buy a gauge to estimate tightness? or do you guys have any know-how?
Thanks.
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MaximA32
Super Moderator
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4565 posts
1998 Maxima
Corona/Sheffield Lake CA/OH
7-9-2006
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Hand tight with the ratchet will work just fine.
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maxhopper97
Super Moderator
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4491 posts
97 Maxima SE/93 G20
Louisville, KY
11-10-2003
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Just tighten it about as much as you would a spark plug. Put a little effort behind the wrench when tightening, but not an extreme amount.
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MaximA32
Super Moderator
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4565 posts
1998 Maxima
Corona/Sheffield Lake CA/OH
7-9-2006
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Make it German spec.: Gootentite.
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rxm6
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321 posts
'98 I30T, '93 240sx SE
San Jose CA
3-23-2007
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| « Re: (NSR A32) | 12:19 PM 6/22/2007 |
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| Quote, originally posted by NSR A32 » | | Make it German spec.: Gootentite.
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Fantastic. I'm speechless at this one.
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Ryan Heo
Offline
244 posts
1996 Infiniti I30
okemos MI
6-3-2007
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| « Re: (d3v0) | 6:19 PM 6/22/2007 |
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I did today.
It was less than 30min with sending ground lines.
Just take it off and put the brand new one on. That's it.However I feel the gas mileage to be getting worse after changing knock sensor, it just feel though.
I don't know why...
Thanks.
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jgilmore8
Offline
2 posts
Richmond VA
8-16-2007
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| « New knock sensor is in! | 11:49 AM 8/18/2008 |
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OUCH!!! My hands look like I tangled w/ a herd of rabid cats! The worst part was getting the thing back in there. Every time I tried to turn the bolt, I rubbed my thumb knuckle on a very sharp piece of metal...It was my first venture into the engine compartment of my '96 I30, so it took me a bit longer that I think it would if I'd been there before. I took out the whole attachment of the air box that's on top of the air filter to the intake manifold so I could get some leverage on the ratchet. All told, about an hour, minus the trips back and forth to the garage for additional tools. I used a 3/8 ratchet w/ a 6 in extension, into a 1/4 adapter, into another 6 in extension, into a universal swivel adapter, into a 6 point 12mm socket. Used the ODBII reader to kill the P325 code, drives great, no codes! 
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NutriaforBreakfast
Offline
472 posts
Nissan Maxima 1995 VQDE engine
Dallas Texas
9-26-2007
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| « Re: New knock sensor is in! (jgilmore8) | 9:42 AM 8/20/2008 |
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Did you have to remove the Plenum and Intake Manifold to do this?
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NutriaforBreakfast
Offline
472 posts
Nissan Maxima 1995 VQDE engine
Dallas Texas
9-26-2007
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| « Re: New knock sensor is in! (NutriaforBreakfast) | 10:37 AM 8/27/2008 |
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Does anyone know the shortcut to replace the Knock sensor?
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I have a 99 max SE, and i want to replace the knock sensor, bought it and everything. 
i want to know where it is located on my specific engine, not only that how long u think it would take, how long it would be out of commission.....Plz help me out guys 
