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#944285 - 05/17/06 06:14 PM Crankshaft Position Sensor - Removal?
metroplex Offline
Metroplectic

Registered: 11/13/00
Posts: 49817
Loc: Motor City, USA
The FSM says to "remove A/C compressor" in order to replace the Crank position sensor... The only time I did remove it was when the timing cover was off.

How hard is it to replace the crank position sensor with all the parts in place?
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#944286 - 05/17/06 08:39 PM Re: Crankshaft Position Sensor - Removal?
BMFer Offline
I'm your huckleberry
Grand Poobah

Registered: 12/04/05
Posts: 13583
Loc: 30106
You can't. Take the belt off of the compressor pulley, remove the three 10mm head bolts, and let it hang. Nothing to it. No need to discharge it. Unplug the CKP. Then use an 8mm wrench to remove the one bolt from it. Installation is reverse.
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'13 Coyote 5.0

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#944287 - 05/17/06 09:03 PM Re: Crankshaft Position Sensor - Removal?
99_03PantherS Offline
Poobah

Registered: 03/22/03
Posts: 9474
Loc: NW side Chicago
^^ yup i just did mine like 2 months ago. just let it hang... dont drop it all the way.
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Jason G. Replaced 1st intake manifold at 15. haha
'03 Marquis: 67K,15.31 @ 91.19, MZT 93 octane tune, P&P Aviator T/B, duals with rear cats missing, 3.27 Trac loc 31 spline rear, sway bars, tints, badgeless grille..blahblah various exterior mods *NEW* Steeda pulleys and Towncar rims
'08 F-450 6.4 Powerstroke: DPF,EGR delete, Spartan powered tuner.

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#944288 - 05/17/06 09:07 PM Re: Crankshaft Position Sensor - Removal?
99_03PantherS Offline
Poobah

Registered: 03/22/03
Posts: 9474
Loc: NW side Chicago
how do you know its the sensor?
when you try to start teh car up, does the CEL blink/
stay on, or does it turn off, like it is supposed to'
if it blinks/stays, then its the crank sensor.
_________________________

Jason G. Replaced 1st intake manifold at 15. haha
'03 Marquis: 67K,15.31 @ 91.19, MZT 93 octane tune, P&P Aviator T/B, duals with rear cats missing, 3.27 Trac loc 31 spline rear, sway bars, tints, badgeless grille..blahblah various exterior mods *NEW* Steeda pulleys and Towncar rims
'08 F-450 6.4 Powerstroke: DPF,EGR delete, Spartan powered tuner.

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#944289 - 05/17/06 09:08 PM Re: Crankshaft Position Sensor - Removal?
metroplex Offline
Metroplectic

Registered: 11/13/00
Posts: 49817
Loc: Motor City, USA
The diagnostic flowchart doesn't mention the CEL staying on/off as an accurate way of determining if it is the CKP. The CKP will not set a DTC when it fails (the CMP, OTOH, appears to set a DTC when it fails).
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#944290 - 05/17/06 09:10 PM Re: Crankshaft Position Sensor - Removal?
99_03PantherS Offline
Poobah

Registered: 03/22/03
Posts: 9474
Loc: NW side Chicago
hmmm... Epi knows more about that. he told me about that and i checked, and it was that.
epi??
_________________________

Jason G. Replaced 1st intake manifold at 15. haha
'03 Marquis: 67K,15.31 @ 91.19, MZT 93 octane tune, P&P Aviator T/B, duals with rear cats missing, 3.27 Trac loc 31 spline rear, sway bars, tints, badgeless grille..blahblah various exterior mods *NEW* Steeda pulleys and Towncar rims
'08 F-450 6.4 Powerstroke: DPF,EGR delete, Spartan powered tuner.

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#944291 - 05/17/06 09:12 PM Re: Crankshaft Position Sensor - Removal?
BMFer Offline
I'm your huckleberry
Grand Poobah

Registered: 12/04/05
Posts: 13583
Loc: 30106
Ok, worded more clearly...

*If you have NO CEL when the engine is running*
When you turn the key on (engine off) the CEL should light up. When you begin cranking the engine, the CEL will go out if the CKP is sending a signal to the PCM. Don't know where Jason gets this blinking sheet.

That said, I had issues with cold starts, especially on humid days, in my aero for months after I got it without the CEL staying on during cranking, and since I changed the CKP sensor a couple years ago, never an issue again.
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'13 Coyote 5.0

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#944292 - 05/18/06 05:52 AM Re: Crankshaft Position Sensor - Removal?
metroplex Offline
Metroplectic

Registered: 11/13/00
Posts: 49817
Loc: Motor City, USA
Usually the car tends to be hard to start in hot start situations (like after you filled up with gas). I had a hard-start condition after letting the car sit for 9 hours in a parking lot and this recent situation was with the car parked for about 3 hours.
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#944293 - 05/18/06 10:31 AM Re: Crankshaft Position Sensor - Removal?
AODE Offline
Over the Hill

Registered: 07/27/02
Posts: 2550
Loc: Ohio
you guys should change out those old 100,000 miles motorcraft plug wires and repalce the plugs as well.

Get em aftermarket or $163 dealer.
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2000 CV
5.4 LIGHTNING SWAP +4 psi pulley
350 HP
450 Lbs Torque

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#944294 - 05/18/06 10:48 AM Re: Crankshaft Position Sensor - Removal?
metroplex Offline
Metroplectic

Registered: 11/13/00
Posts: 49817
Loc: Motor City, USA
my plugs are practically new, and I don't use spark plug wires.
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#944295 - 05/20/06 01:30 PM Re: Crankshaft Position Sensor - Removal?
metroplex Offline
Metroplectic

Registered: 11/13/00
Posts: 49817
Loc: Motor City, USA
Update: I swapped out the CKPs. The new Wells SU256 looks exactly like the original Ford, except there was stuff on the Wells that was ground off. I could make out a FORD oval logo that was once there. Either Wells is a supplier for Ford, or Wells buys Ford rejects and just resells them. My guess is the former, and they grind it off since its cheaper to use one mold for all of them?

The A/C compressor was indeed easy to remove! I'll have to see if the hard-start issue ever comes back again.

One weird thing I noticed was the old CKP had a lot of engine oil dripping out of the connector. It seemed as if oil was coming from where the contacts were...
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#944296 - 05/20/06 01:46 PM Re: Crankshaft Position Sensor - Removal?
AODE Offline
Over the Hill

Registered: 07/27/02
Posts: 2550
Loc: Ohio
i guess your valve cover seals /o rings leaking/

not a big big deal.

someone on here needs to buy some goodies, I have 8 COP NEW
1 MAF NEW IN ITS ASSEMBLY AND ALL MOTORCRAFT OFF 2002 CRUISER.
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2000 CV
5.4 LIGHTNING SWAP +4 psi pulley
350 HP
450 Lbs Torque

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#944297 - 05/20/06 08:00 PM Re: Crankshaft Position Sensor - Removal?
metroplex Offline
Metroplectic

Registered: 11/13/00
Posts: 49817
Loc: Motor City, USA
I can't figure out how the oil leaked from inside the harness connector... Basically the oil was coming out of the sensor itself
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#944298 - 05/20/06 11:36 PM Re: Crankshaft Position Sensor - Removal?
BMFer Offline
I'm your huckleberry
Grand Poobah

Registered: 12/04/05
Posts: 13583
Loc: 30106
It is highly possible, although I've not yet noticed it on one.
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'13 Coyote 5.0

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#944299 - 05/21/06 02:22 AM Re: Crankshaft Position Sensor - Removal?
99_03PantherS Offline
Poobah

Registered: 03/22/03
Posts: 9474
Loc: NW side Chicago
the oil is normal on the sensor.
all normal.
_________________________

Jason G. Replaced 1st intake manifold at 15. haha
'03 Marquis: 67K,15.31 @ 91.19, MZT 93 octane tune, P&P Aviator T/B, duals with rear cats missing, 3.27 Trac loc 31 spline rear, sway bars, tints, badgeless grille..blahblah various exterior mods *NEW* Steeda pulleys and Towncar rims
'08 F-450 6.4 Powerstroke: DPF,EGR delete, Spartan powered tuner.

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