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2, Loosen the old crankshaft sensor:
The next day started with sunshine and I started to figure out how to remove the old crankshaft sensor. It's normally not very difficult but the very narrow space around the crankshaft sensor in this car make it difficult.
When you working with electric parts in the car you should always disconnect the battery first !
Find the location of the crankshaft sensor:
You find the crankshaft sensor at the back of the engine where it connect to the gearbox. It's almost hidden behind a heat shield, the black metal part that protrude to the camera.
Move the heat shield aside:
To get more space around the sensor I had to loosen the two E14 head screws that hold the heat shield. I don't want to drop these two bolts and only turn them out to get enough space, about 10 mm. These two bolts also hold the gearbox to the engine, give them enough torque when reinstalling them later.
I didn't remove the air cleaner when I did this job, but if you do you get a little bit more space to work with. There are a lot of hoses and cables here, don't rip them off.
To loosen the connector you have to unlock it, push the hinge on the connector house below the cable and pull the connector out gentle of its socket. See details a couple of photos down.
The crankshaft sensor's electric connector:
The lower side of the connector. Inspect if it has been some oxidation from water here, if it had you have to clean it.
The connector's hook/lock:
The upper side of the connector with its hinge that lock it to the socket. Push where the arrow point and the other side of the hinge will move up and unlock. Be careful, its plastic and fragile.
Location of he E8 head screw that hold the crankshaft sensor:
It's very difficult to see the screw that hold the crankshaft sensor, it's hidden below the sensor. You have to use your fingertips to feel where it's placed.
The E8 head tool:
My tool with E8 socket and an extension. These tools has the 3/8" socket, it's a bit too big, better if you have the 1/4" size. I must have this tool at an angle to the screw head, not perfect but it worked.
The E8 head screw is out:
At last I got the screw out and of course dropped it, how to pick it up ? I can't reach it with my fingers.
The magnetic pen:
My girlfriend has much more tools than I have. She had this stylus with a magnet at the top which made it easy to pick up the screw.