Subaru impreza sport 2.0 with knocking niose in reverse how to fix this problem

Question edited into English :>D

2004 Subaru Impreza Car Radio Wiring Guide - MODIFIEDLIFE

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Feel free to use any car stereo wiring diagram or factory radio wire colors that are listed on Modified Life but keep in mind that all information here is ...

Radio Wiring Diagram for a 2004 Subaru Impreza Wagon - Fixya

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Nov 15, 2019 - ... 2007 Subaru Impreza Car Stereo Wiring Diagram. Car Radio Battery Constant 12v+ Wire: Blue/Red Car Radio Accessory Switched 12v+ Wire: Yellow/Green
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Subaru Impreza WRX 1993-2007 Car Stereo pinout

https://pinoutguide.com > ... > Subaru Impreza pinouts
Dec 9, 2019 - Pin #. Function. WRX Factory Radio Connector Wire Color ( wires go to WRX's Speakers, etc.) Subaru After-Market Harness Wire Color

How To Subaru WRX Stereo Wiring Diagram - My Pro Street

https://my.prostreetonline.com > 2016/02/15 > how-to-s...
Feb 15, 2016 - Use our WRX Stereo Wiring schematic to complete your aftermarket stereo install into your Subaru Impreza WRX or STI.

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Hope this helps

Rebuilding the engine is the only true cure. Be sure that the engine warms up without driving it. In other words, don't put any excessive load on the engine while it is cold. Once it warms up, the piston, rings, pins, etc. will expand from the heat. This is why you only hear slapping when the engine is cold.

on the top of the engine block under the inlet mannifold

does it happen turning both directions? AND...does it happen turned the same angle in forward gears? Can you feel it in the pedals, floor, your seat or through the shifter? You may want to grab a helper and take them to a business/industrial area that has an empty parking lot and have them stand out side the vehilcle while duplicating the symptom. See if you can roughly locate where the sound is coming from. e.g. right front, left front. under center of vehicle. Your helper may need to walk or run near the vehicle while backing to be closer to the noise while it occurs.

I would check the struts.

clutch worn

Sounds like warped fly wheel.

directly below the throttle body on the drivers side of the engine block. Has a white connector attached to a single black wire lead. I had to remove the black plastic piece that connects to the throttle body and the air filter housing, in order to see/get at it. Easy fix once you find it. Haynes manual shows it in a different location, so don't confuse yourself looking at the diagram.

at the top of the block under the plenum runners.
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