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Thread: Removing Rear Sensor ...how to?

  1. #1
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    Removing Rear Sensor ...how to?

    If you have a black panel in the back bumper, after removal in order to reach one of the two centre sensors how do you disconnect the connector from the sensor? Is it a straight pull to get it off or is there a catch on it?

    Also, exactly how do you get the sensor out of the bumper? Twist and pull, or clips first, or both?!
    Late 2004 2.7D. Owned from new. 265,000 miles on the clock!

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    Senior Member rchiv's Avatar
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    The connector has a push and release catch it is easier to release after removing the sensor. The sensor is removed the by lifting two clips while pressing the sensor in from the front.

    Roger
    HEY I THOUGHT I HAD RETIRED, Ex Auto Electrician
    2006 X Type 2.2d SE Manual Estate. Zircon Blue Champagne/Mocca, F/R Parking sensors, ,Auto Lights, Auto Wipers, Headlight Washers, Sat Nav 2012 update, 17 in Wheels, 120K Mods:- Electric Autofold Mirrors on Locking
    Simple Autofold Mirrors on Locking,http://www.jaguarforum.com/showthrea...irrors+locking
    UPDATE YOUR SIGNATURE http://www.jaguarforum.com/showthread.php?t=91945

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    Thanks for that. Not possible to pull the sensor out from where you’re working then (rather than push from the front)?

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    Senior Member rchiv's Avatar
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    Quote Originally Posted by lancer View Post
    Thanks for that. Not possible to pull the sensor out from where you’re working then (rather than push from the front)?
    Afraid not, the sensors are fitted into a sleeve that is inserted from the front but the sensor themselves are inserted from the rear. I do not think you can extract the complete sensor unit from the front without doing some damage.

    Roger
    HEY I THOUGHT I HAD RETIRED, Ex Auto Electrician
    2006 X Type 2.2d SE Manual Estate. Zircon Blue Champagne/Mocca, F/R Parking sensors, ,Auto Lights, Auto Wipers, Headlight Washers, Sat Nav 2012 update, 17 in Wheels, 120K Mods:- Electric Autofold Mirrors on Locking
    Simple Autofold Mirrors on Locking,http://www.jaguarforum.com/showthrea...irrors+locking
    UPDATE YOUR SIGNATURE http://www.jaguarforum.com/showthread.php?t=91945

  5. #5
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    Quote Originally Posted by rchiv View Post
    Afraid not, the sensors are fitted into a sleeve that is inserted from the front but the sensor themselves are inserted from the rear. I do not think you can extract the complete sensor unit from the front without doing some damage.

    Roger
    Ahh, sorry! I don't think I was very clear. What I meant was when you're behind the bumper releasing the catches is it not possible to pull the sensor out toward you at the back of the bumper - rather than going around to the front and pushing?
    Late 2004 2.7D. Owned from new. 265,000 miles on the clock!

  6. #6
    Senior Member rchiv's Avatar
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    Quote Originally Posted by lancer View Post
    Ahh, sorry! I don't think I was very clear. What I meant was when you're behind the bumper releasing the catches is it not possible to pull the sensor out toward you at the back of the bumper - rather than going around to the front and pushing?
    Possibly if you pull on the socket gently but I found it easy to have a finger of one hand pressing gently on the sensor outside whilst lifting the tags with the other hand inside. Lifting the tags does not release the sensor on their own.

    Roger
    HEY I THOUGHT I HAD RETIRED, Ex Auto Electrician
    2006 X Type 2.2d SE Manual Estate. Zircon Blue Champagne/Mocca, F/R Parking sensors, ,Auto Lights, Auto Wipers, Headlight Washers, Sat Nav 2012 update, 17 in Wheels, 120K Mods:- Electric Autofold Mirrors on Locking
    Simple Autofold Mirrors on Locking,http://www.jaguarforum.com/showthrea...irrors+locking
    UPDATE YOUR SIGNATURE http://www.jaguarforum.com/showthread.php?t=91945

  7. #7
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    Quote Originally Posted by rchiv View Post
    Possibly if you pull on the socket gently but I found it easy to have a finger of one hand pressing gently on the sensor outside whilst lifting the tags with the other hand inside. Lifting the tags does not release the sensor on their own.

    Roger
    Thanks Roger.

    As an ex auto-electrician, any thoughts on the problem I'm getting. All 4 sensors are ticking, but when I put it in reverse I just get a continuous beep like I'm backed up against a wall!

    Previously, one sensor wasn't ticking causing the beep error and that has now been replaced. Since replacement, continuous beep tone in reverse. Very annoying...!
    Late 2004 2.7D. Owned from new. 265,000 miles on the clock!

  8. #8
    Senior Member S-Type Owner's Avatar
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    You may have an intermittent connection or issue with the control module that is located near the spare tire well under the trunk flooring. A good code reader that handled Jaguar chassis codes (e.g. an iCarsoft LR-II) will identify the sensor or module at fault when a scan is performed.
    2003 S-Type 3.0, Zircon with the "Premium Package"...

  9. #9
    Senior Member rchiv's Avatar
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    That tells me that one of them is continuously reading. I know it sounds a long winded job but you need to disconnect each one in turn to see if you can find the faulty one. It is usually the N/S/Outer one that plays up due to the amount of road crud that gets deposited around it. You could try disconnecting the plug on the module and using a switch cleaner spray and replace to see if it resets.

    Roger
    HEY I THOUGHT I HAD RETIRED, Ex Auto Electrician
    2006 X Type 2.2d SE Manual Estate. Zircon Blue Champagne/Mocca, F/R Parking sensors, ,Auto Lights, Auto Wipers, Headlight Washers, Sat Nav 2012 update, 17 in Wheels, 120K Mods:- Electric Autofold Mirrors on Locking
    Simple Autofold Mirrors on Locking,http://www.jaguarforum.com/showthrea...irrors+locking
    UPDATE YOUR SIGNATURE http://www.jaguarforum.com/showthread.php?t=91945

  10. #10
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    Cheaper aftermaket sensors have been known to fail quite quickly after fitting.
    The control module and its connections in the boot spare wheel well can be affected by water. It is worth checking the connections.
    As mentioned you may well end up having to swap out each sensor in turn to find the faulty one as if a sensor has failed so it is always sensing an object this may not be registered as a fault and the diag equipment may not pick it up.

    Mellow
    Black 2004 S-Type R
    VIN: 51N141xx (4.75MY)
    First owner 01.03.2004 to 05.11.2004 Jaguar Cars Co. Fleet Admin, Rugby.
    P.D.I done at Browns Lane on 24.02.2004 at 43 miles.
    (Previously Morocco Red/Magnolia 4.0 XJ40 Sovereign VIN:708xxx.)

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