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Fuel Pump Removal G13BB Jimny 1999 JLX

  • Owl
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18 Feb 2021 05:51 #232915 by Owl
Hi All,  going to attempt to replace fuel pump.  Is it easier to nibble out a section on the floor to remove and refit the fuel pump?  Or does it have to be done by lowering the fuel tank out of the vehicle.  Was thinking of nibbling a section out and later fabricating a sheet metal hinged and sealed flap door. 

Or would it be easier to do the workshop manual way? Is there other considerations Im missing,  fuel lines?  Has anybody replaced the fuel pump from the top?    Advice always appreciated  Owl. 

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18 Feb 2021 06:06 #232917 by Lambert
It can be done from above but it's not straightforward. Having said that it's not necessarily that simple to get the retaining bolts out of the tank to drop it. I think I would persist with taking the tank out though.

Temeraire (2018 quasar grey automatic)
The last of the gen3s, probably.

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18 Feb 2021 06:14 - 18 Feb 2021 06:16 #232918 by Owl
Lambert thanks, Is it just the cutting that puts you off the idea?  The rear seats are long gone,  just has a bit of carpet in the back 
Last edit: 18 Feb 2021 06:16 by Owl.

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18 Feb 2021 08:51 #232921 by Lambert
What puts me off is that a simple hole to get to the pump doesn't leave much space for the associated pipes and before you know it the whole boot floor is out.

Temeraire (2018 quasar grey automatic)
The last of the gen3s, probably.

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19 Feb 2021 04:51 #232977 by Owl
Yes thanks Lambert, I thought of the pipes that they might need a bit of space and movement for disconnect and connection of pipes or more. Could get messy, Ill stick with your advice and drop the tank and work it to the w'shop manual details. Ill see how it goes. Thanks . Owl.

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19 Feb 2021 06:53 #232980 by Old Neil
Don't forget the plastic access cover in the wheel arch

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20 Feb 2021 08:44 #233027 by Owl
Just read the fuel pump guide,  with regards to fuel pump installation,  a new gasket required plus they say a new cover plate.  Is it a must do,  to replace that cover?  I havent removed it as yet,   assuming its thin steel plate moulded cover?  Ive done a couple of other makes of cars and recognise there was a metal plate cover but it wasnt necessary to replace those?  

Just wondering what others have done in this situation,  replace fuel pump cover or reuse the existing one?  Because the access is pathetic, probably a bit of insurance to replace the cover as well!?  Owl

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20 Feb 2021 08:47 #233028 by Owl
Wheel arch cover, Ill go see Owl.

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20 Feb 2021 10:12 #233031 by Old Neil

Wheel arch cover, Ill go see Owl.

Right hand rear wheel arch there is a plastic access cover i found it useful support fuel tank with a Jack let tank down a little remove wheel then cover, easyer to release fuel lines etc

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20 Feb 2021 10:35 #233036 by Old Neil
My jimny is right hand drive fuel filler on right don't know if left hand drive jimny has filler on left side?

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21 Feb 2021 04:48 #233061 by Owl
yes looks much the same, I have a R/H drive with fuel cap on the right side. Its not going to be easy i think, I'm dreading this.

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22 Feb 2021 17:27 #233106 by jackonlyjack
I would advise leave the filler/breather hoses in place and remove tank end
If you try to remove the 10mm head bolts from behind the filler flap 
these will snap off 

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