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P38 change driveshaft oil seal / remove ABS sensor

Discussion in 'Range Rover' started by Larsern, Jun 26, 2018.

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  1. Larsern

    Larsern Member

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    About to change the oil seal on the drive shaft port side front. According to RAVE, the ABS sensor must be removed, but of course the sensor is as welded to the hole.
    Question is: is it possible to pull the drive shaft without removing the ABS sensor or is this physical impossible?
    New sensors are in the post a week away so if I can do the job without pulling the sensor, would be great.
    Thanks for opinions.
    L
     
  2. Saint.V8

    Saint.V8 Dyed-in-the-wool 100% RR Junkie

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    I think the CV joint won't go past the sensor when trying to withdraw the assembly. And even if it did the chances of damaging the ABS sensor while withdrawing or re-inserting the assembly are high!

    P38_ABS_Ring.jpg
     
  3. jamesmartin

    jamesmartin Well-Known Member

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    youve got little choice but try, if it doesnt work after cv needs to be out to make removing sensor easier
     
  4. Grrrrrr

    Grrrrrr Technician, Bodgit & Scarper Ltd

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    No, won't come out. All you can do is spray lots of Plusgas in there and scratch around the edge where the spingy thing the sensor slides into is.

    I think @tomcat59alan drilled his out and before he replaced the sensor cut something away to allow it out in future.
     
  5. wammers

    wammers STILL BREATHING. Donater

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    The hub has an hole in it that the sensor goes through. You cannot remove the hub to remove the drive shaft with the sensor in place.
     
  6. Datatek

    Datatek Well-Known Member

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    Plusgas then left overnight and they came out on my project P38 but not easily.
     
  7. Saint.V8

    Saint.V8 Dyed-in-the-wool 100% RR Junkie

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    It's called a bushing....:D
     
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  8. Larsern

    Larsern Member

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    Thanks all.
    Will have to destroy the sensor to get it out. New sensors arriving in a week, so have to drive without ABS in the meantime. Wasn't it what we all did in the good old days before anybody new a thing about ABS? Since i got the P38 7 years ago I have never had the ABS kicking in in summer conditions, only winter, and that is still two weeks ahead up here.
     
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  9. 2perry

    2perry Member

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    Hate to throw a spanner in, but changed both of my CV joints last week and both came out slowly past the sensors, one was damaged on the way back in but due to heavy hand not space as other is working just fine
     
  10. Larsern

    Larsern Member

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    Had to drill out the sensor. First encountered a hardened steel part in the middle of the sensor. Then used a 2,5 mm drill bit to drill a series of holes around the center part to get rid of the plastic stuff that is filling the sensor. Then the hardened metal came out (was a magnet) together with the thin copper wire forming the pickup coil. then the rest came out with some gentle persuasions.
    After the hub was out i cut an opening in the metal skirt from the hole the sensor is going thru, so next time I do not even have to think about removing the sensor. Still waiting for the new sensor to arrive, so driving around with traction failure waiting for the first snow.
     
  11. wammers

    wammers STILL BREATHING. Donater

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    Unless your hubs have been refitted without reluctor ring shields it is not possible to remove them with the sensors in place. There should be a reluctor ring shield pressed on to the hub that the sensor goes through. This makes it impossible to remove the hub with the sensor in place. As illustrated here. https://rimmerbros.com/Item--i-FTC3243
     
    Last edited: Jun 29, 2018
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  12. Grrrrrr

    Grrrrrr Technician, Bodgit & Scarper Ltd

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    Maybe someone like Tomcat had cut a bit away to allow it out easier next time?
     
  13. wammers

    wammers STILL BREATHING. Donater

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    Maybe.
     
  14. tomcat59alan

    tomcat59alan Well-Known Member

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    Yes,I elongated the hole in the shield so the sensor can stay in place if the driveshaft has ever got to be removed.
     
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