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P38A Furry stuff...

Discussion in 'Range Rover' started by Jon Dor, Jan 28, 2022.

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  1. Jon Dor

    Jon Dor Well-Known Member

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    Anyone know what causes this please?
    This has grown back over the last week or so since I wiped it dowm
    Cheers.
    Mike.
     
  2. Jon Dor

    Jon Dor Well-Known Member

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    Pic attached this time.
     

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  3. kermit_rr

    kermit_rr Green Member Full Member

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    Not seen that in a long time
    How old is your battery and have all the vent plugs been removed?
     
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  4. Grrrrrr

    Grrrrrr Technician, Bodgit & Scarper Ltd Full Member

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    Looks like the metal might be reacting with sulphuric acid gas. Is the battery not sealed though?
     
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  5. Jon Dor

    Jon Dor Well-Known Member

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    Its a trusty HANKOOK MF31-1000, 5 yrs old, "sealed for life" battery. Had a sniff, but not a whiff of acid smell.
    I'm quite puzzled by it. I'll try wrapping it in insulating tape.
     
  6. Grrrrrr

    Grrrrrr Technician, Bodgit & Scarper Ltd Full Member

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    I wonder if it is sealed still. It is along that edge.

    I've got a Platinum battery in mine. 642X?
     
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  7. pwood999

    pwood999 Well-Known Member Full Member

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    Do a CCA test. It's probably starting to expire.
     
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  8. kermit_rr

    kermit_rr Green Member Full Member

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    Its usually gases from the battery that cause it, along with an old battery that doesn't hold its charge anymore.
    A sealed battery still has vent holes in it somewhere.. is it in good health, or showing it's 5 years disgracefully?
     
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  9. Datatek

    Datatek Well-Known Member

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    You have removed the transport plugs at each end I suppose?
    Clean it off treat it with washing soda or bicarbonate of soda and paint it. It will rot even faster wrapped in tape.
     
  10. Jon Dor

    Jon Dor Well-Known Member

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    I had been coming out to a non-starting battery every day, then I noticed an internal light was on AND I discovered the +ve terminal wasnt tight. After tightening that up, it's been starting at first attempt every time, except I left parking lights on last night. Can't blame battery for that.
     
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  11. Datatek

    Datatek Well-Known Member

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    You need to fully charge the battery, it's probably sulphating due to lack of charge.
     
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  12. Jon Dor

    Jon Dor Well-Known Member

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    Cheers, Keith. Yes I removed transport plugs when I commissioned it back in November 2016.
     
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  13. Jon Dor

    Jon Dor Well-Known Member

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    Good point, although I've been driving it every day.
     
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  14. Jon Dor

    Jon Dor Well-Known Member

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    I changed the alternator recently. When I jump started this morning, it was pushing out 13.7v at tickover.
     
  15. tomcat59alan

    tomcat59alan Well-Known Member

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    I find a kettle of hot water poured over the sulphation will sort it.
    Did you change the regulator Mike?
     
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  16. Jon Dor

    Jon Dor Well-Known Member

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    Great minds think alike Alan...I've literally boiled a pan and about to do exactly that! No, I didnt change the regulator. The old alternator was putting out jack ****, replacement did the job, until the internal door light - very dim (like me) - was draining it overnight. Where is regulator located Alan?
     
  17. tomcat59alan

    tomcat59alan Well-Known Member

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    Bolts to the back of the alternator and carries the brushes.if you still have your old one take the black cover off,just some screws and the 13and10 mm nuts from memory.ive got my old one in the garage I can photograph if you're stuck. Really self explanatory when you get the new one. The part number was posted recently.;)
     
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  18. Jon Dor

    Jon Dor Well-Known Member

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    I do have the old one. I thought I'd refurb it when I'm feeling well enough to have a potter about Alan.
     
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  19. Jon Dor

    Jon Dor Well-Known Member

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    THANKS FOR THE EXCELLENT POINTERS & ADVICE GUYS.
     
  20. kermit_rr

    kermit_rr Green Member Full Member

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    If you're only getting 13.7 then the battery is probably dragging it down and needs a good overnight charge. A newish alternator should ideally be set to 14.7

    Sulphation refers to the internals, not the crust on the outside ;)
     
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