Subaru Knock Sensor

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Uploaded by on Sep 7, 2009

1996 Subaru Legacy Outback, How to replace a knock sensor. OEM Part number # 22060AA031

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Autos & Vehicles

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Uploader Comments (MergeDammitMerge)

  • Excellent video! Although, on my 1997 Legacy Outback there was no way the plastic clip was coming apart. I just about ruined my hands trying to get at that and get the plugs apart. I finally had to give up, it literally just wouldn't come apart. I had to make an appointment to get it fixed, sigh.. after all that work too.

  • @gilbertsonscott You could have just ran down to your local auto store and got two male and two female electrical connectors. Then cut out the old connector and rewire using the aftermarket connector. Depending on the auto store they may have had the exact connector you would have needed. Electrical connectors can be a pain and are usually the weakest link to any electronic component.

  • Thank you. I followed your instructions and it seems to have worked well. The old one had a big crack on it. (96 outback, 2.2L)

  • @chongman99 Good to hear. Don't over tighten the bolt to the knock sensor or you could crack the sensor housing. i was told that 15 lbs is all that is needed for the knock sensor bolt. Not everyone has a torque wrench in their tool box so to be safe make sure the bolt is snug and don't crank down like a maniac. You don't want to undo what you just did. Saving money feels pretty damn good huh?

  • what are you doing there with the screwdriver between 1:29 - 1:50?

  • @kablamo222

    Kablamo, I am prying up the flange on the electrical connector so that they can come apart.

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  • @bhstone1 It's weird that this part is so easy to change for some cars and almost impossible on others. I ended up taking it to the dealer for the final fix. I bought a new sensor at RockAuto hoping to save some money and do it myself, but when I couldn't get the clips apart I took it to a local shop and they put it on. But, they didn't tighten it correctly and the car ran like hell, and of course, they wouldn't even look at it again since I brought in the part, so the dealer fixed it - $100

  • @gilbertsonscott I did this job today also also cut up my hands. The connector just didn't want to come out. I ended up cutting it and taking it apart.

  • I have alot of trouble with knock sensors... I've done a bunch (very common that they crack) and I must say... I can see why you didn't include the actual installation in your vid. It's a real pain.

  • It worked. Thanks!

  • I appreciatte you showing this Video. Does the Kncok Sensor, fit Snug,after installing the New one ? I watched this,replaced with New One, and the Bolt didn't snug down. You can swirl the knock sensor. Is that wrong ? If so, I guess the bolt,is threaded wrong. Thanks.

  • Cool video! thank you for sharing!!

  • Thank you!

  • @kablamo222

    This is something I had trouble with but what is going on there is "Merge" is taking the screwdrive and poking the back of the connector because its held in by "2" clips one that u can clearly see and another one on the back.

    " you can't see it well but things will make sense if you look at the replacement sensor"

  • thanks very much for your video, jd

  • I was just quoted $400 parts and labor to fix this. Seems easy enough to do myself.

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