NPS on a 2003 STi
there are 2 switches on the top of the box,the nps is the furthest one back.its about directly ontop in the centre of the box,normally has a black plug on it,so if you follow the wires up from the plug you will find it.just swapped mine over.took me 45 mins altogether.
i have a pit so its a bit easier to get under the car.undo the top engine mount (pitch mount)so that the engine will tilt backwards,drop the prop center bearing,take the exhaust of its rubbers.undo the 2 bolts from under the gear selector then support the under neath of the box and undo the mountings.lower the box enough to get your hand over the top of it so you can undo the nps.19mm spanner if i remmember right.once its out and the new ones in just do everything back up and jobs a good en.
i have a pit so its a bit easier to get under the car.undo the top engine mount (pitch mount)so that the engine will tilt backwards,drop the prop center bearing,take the exhaust of its rubbers.undo the 2 bolts from under the gear selector then support the under neath of the box and undo the mountings.lower the box enough to get your hand over the top of it so you can undo the nps.19mm spanner if i remmember right.once its out and the new ones in just do everything back up and jobs a good en.
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