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  #1  
Old 07-18-2010, 06:38 PM
willisjefferyl willisjefferyl is offline
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Knock Sensors

I just checked my engine codes and got a 22 and 28. I was wondering what bad knock sensors will do? If anyone has any? and how complicated they are to put replace? Thanks
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Old 07-18-2010, 07:53 PM
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Re: Knock Sensors

If you need to change out either of your knock sensors it is best if you remove the alternator, (after removing the -terminal from the battery)
to give better access.
If you need to replace the #1 knock sensor on the passenger side it is also helpful to remove the power steering pump.
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Old 07-18-2010, 07:54 PM
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Re: Knock Sensors

They are pretty simple to replace if you have the hands of a 5 year old, just one bolt and a plug and they are out. Unfortunately they are buried under the intake manifold and are a little tough to get to with normal sized hands and tools. It can be done without removing the manifold, it just takes time and patience.

Here is where they are located
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Old 07-18-2010, 07:56 PM
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Re: Knock Sensors

Matt, My engine does not have those cool red rings?!?!
















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The first SuperCharged SVX,
the first 4.44 gears,
the first equal length headers,
the first phenolic spacers,
the first Class Glass fiberglass hood,
the first with 4, 4.44s in his driveway


Fiberglass Hood thread
My locker
4.44 Swap link
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  #5  
Old 07-18-2010, 07:59 PM
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Re: Knock Sensors

They're good for 20hp and 0.8 sec in the 1/4
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2015 BRZ Limited 6MT
92 Ebony LS-L ECUtune Stage2av1, Z32 MAF, 370cc injectors, TomsSVX intake, BontragerWorks 22mm RSB #003, HID Hi and Lo beams, OT endlink and bushing mods, PWR Aluminum radiator, Harvey's QC shift kit, 2.5" flowmaster 80 exhaust, 17" Michelin Pilot Sport A/S, Poly sway bar bushings, Slotted Bradi rotors, AFBeefcake powdercoated calipers, 97 grill, and a huge set of air horns. 300,000 miles and counting
92 Ebony LS-L. ecutune stage1v4, motorsport 1pc pulley. Garage Queen - sold to Dad in upstate NY 155,000 miles
19 Subaru Ascent Premium - -Hers !.
89 DL 4x4 little red wagon - a.k.a. The immortal suby. 275k R.I.P.
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Old 07-18-2010, 08:10 PM
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Re: Knock Sensors

Quote:
Originally Posted by immortal_suby View Post
They're good for 20hp and 0.8 sec in the 1/4
Can I haz some cool red circle thingies?
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The first SuperCharged SVX,
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the first equal length headers,
the first phenolic spacers,
the first Class Glass fiberglass hood,
the first with 4, 4.44s in his driveway


Fiberglass Hood thread
My locker
4.44 Swap link
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