Having problems with your Subaru Legacy ?

I am taking the knock sensor off my old dead Subaru Legacy GT 2 litre twin turbo to give to my garage mechanic to put on my lastest car the same. Following his advice I have removed the inter-cooler unit on top of the engine and he said it'd be underneath but I can't see it. Can you please tell me where exactly it'd be and what it looks like and any other advice/recommendations??? (I'm looking for a circular coin sized piece with a bolt thru the middle, is that right?) Thanks!

Posted / edited by AnonymousUser on : 14-01-2019

Answers :

The knock sensor of Subaru Legacy GT 2 litre twin turbo:
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\015\012You need only a socket wrench with a long extension, a pair of strong scissors, and thin fingers.
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\015\012The sensor is located on the engine block just under the air intake manifold (see arrow and zoomed image). You will need to unscrew a bolt to get at the wires, then unscrew the bolt that holds the sensor to the engine block. There is a tie around the knock sensor wire, which I simply cut off with the scissors. Pull out the sensor and then disconnect the harness. Install the new sensor by plugging in the harness and attaching the same bolt that held the old one.
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\015\012Please rate my response. Thanks !
Hi! Yes you are right. Its a coin like with a bolt in the middle. If you are facing the engine, look for the throttle cable. On the left of the throttle cable underneath you'll see the knock sensor. The coin like with bolt in the middle. Hope this helps and have a good one!
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