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cranshaft sensor help

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JCH1979KY

Probationary Member
18
0
Nov 11, 2009
CHATTAROY, West Virginia
anyone know how to change the crankshaft position sensor on a 98 talon tsi without having to pull then motor?
i thought about just unbolting the driverside engine mount and jacking the motor up at on an angle. then i looked under the car and seen that the only thing to jack it up by is the oil pan and i really dont want to have to use that a jack point.
please help dont really know what to do here
 
That is about your only option but I think you may have better luck taking the drivers motor mount off and dropping the engine down on that side. The oil pan isn't going to be taking the full weight of the motor. It's done all the time. Use a large block of wood between the pan and your jack; you should be fine.
 
What are you guys talking about. My sensor is behind the front crankshaft pulley. Just have to pull the accessory belts of and the 4 bolts on the pulley.
 
What are you guys talking about. My sensor is behind the front crankshaft pulley. Just have to pull the accessory belts of and the 4 bolts on the pulley.

It's a little more involved then that. You don't even need to remove the motor mount but it does make it easier. Disconnect the battery, loosen 4 10mm bolts on the water pump pulley, remove all acc. belts, remove water pump pulley (it will have the P/S pulley on it as well), remove 4 12mm bolts from harmonic balancer, remove all 10mm bolts from lower timing cover and slide out the bottom of the car. Unbolt the sensor and unclip the connector and reverse the procedure. While you are in there inspect the timing belt and balance shaft belt. If you are going to have it apart it's always good insurance to replace it if you aren't sure of the mileage on it.
 
Ask and you shall recieve....You dont search much do you???

This is my text from when I changed mine out....I'll hold your hand through this process LOL

In order to change out the CPS...

1st, Disconnect Battery Negative, you should have some ratchet wrenchs handy...they are a life saver in areas like this...I'll us the acronym RW for them in the later lines...Pull off driver side tire and prop car up on jackstands...

2nd, put a 3/4 inch socket on a 1/2 inch drive ratchet and put it on the crank bolt...and get a 10mm socket and unbolt the a/c line(you know the big one right there in the way LOL...just move it to the otherside of the timing cover it'll stretch and bend a bit...

3rd, use 10 mm RW on 1 or 2 bolts on the water pump pulley(can probably get to 2 at a time)and loosen them.

4th, turn motor slightly with the 1/2 drive with 3/4 inch socket some on the crank bolt

5th, loosen other 2 bolts on water pump with RW

6th, now loosen and take off the 4 12mm bolts holding on the harmonic balancer...use the 1/2 inch drive as leverage and DO NOT let it rotate counter-clockwise...Remove balancer

7th, loosen the power steering pump and alternator and A/C (if applicable) to allow slack on the belts...

8th, Remove driver side motor mount (optional but very very highly recommended)
Put jack with a piece of wood under the motor and jack it up to relieve some weight off the mount...
2 17mm nuts and 1 14mm bolt hold it to the motor and 1 17 mm bolt goes through the mount...
Remove mount...and jack motor up some for easier access to pulleys/bolts

9th, use RW and spin the water pump bolts to loosen them and take them off pull pulleys off look at how they are put in because you can install them backwards....

10th, pull all belts off the water pump pulley and let them hang or whatever....

11th, remove all 10mm bolts holding on the lower timing cover make some sort of system so you dont mix all the bolts up...they have different lengthes and what not...Use a piece of cardboard and make a sketch and cut little holes and put bolts in them holes LOL...(DO NOT MESS WITH THE MIDDLE TIMING COVER, IT DOES NOT NEED TO COME OFF...) Sorry bout that but when I took my middle timing cover off I snapped it in 3 place....bought a brand new one from JNZ for like $37...went to install it....Shit snapped that one as well...but even worse...I said screw it and I aint messing with it again I'll run without one...

12th, pull lower timing cover off...Find crank sensor...easy to spot only sensor down by crank bolt...Disconnect crank sensor from front case and its electrical connector by the upper timing cover(Triangle plug)....

13th, rotate motor until you can slide the crank sensor out, cut old crank sensor off, use cutters whatever....

14th, Now the tricky part...Slide new sensor in behind the belt...but you will have to twist the belt in order to do so...I used a pair of flat pliers that didnt have any grooves on them to twist the belt...Make sure you push all the little clips in before you bolt the sensor back on and everything...

15th, Put everything back together and go for a drive....

If you take your time and your garage is organized this should take you no longer that 2 hours tops...I did up to step 5 went in got a drink, came out step 8, back in for another drink, back out, then down to step 4, took a piss, back out, and done... took me 2 hours to do all the above
 
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