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Unread 06-29-2004, 03:57 PM   #1
asutherl
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Join Date: Jun 2004
Posts: 3
Replacing Fuel Sending Unit

Group

I have the infamous bouncy fuel gauge so I was going to replace the Fuel Sending Unit. I assume this unit is on/in the fuel tank.

Any advise from someone that's done this would be great. Part numbers and/pics would also help.

Thanks

Andrew

Andrew@universalrally.com

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Unread 06-30-2004, 07:10 AM   #2
900Steve
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Join Date: Dec 2003
Location: Boston, MA
Posts: 62
Andrew,

for my 94 ZJ, the fuel sending unit was part of the fuel pump, in the tank. depending on your year/model it may be the same situation.

i supposed if you're going to do all the work to drop the tank, and you have high miles, you may just want to replace the fuel pump as well if you're 100% certain it's the sender (and assuming it can't be fixed cheaply)

-steve
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Unread 06-30-2004, 02:06 PM   #3
asutherl
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thanks

thanks steve

yeah, it's a 1998 GC. I have access to a lift but was hoping i didn't want to drop the tank if I didn't have to.

If anyone has replaces the sending unit before I'd love to hear the war stories.

Thanks

Andrew
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Unread 06-30-2004, 02:11 PM   #4
Buddha_Kip
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2000 WJ 
 
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screw all that dropping of the tank BS. do the Swampy Bypass Mod instead. You'll be MUCH happier.
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Unread 06-30-2004, 02:16 PM   #5
asutherl
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good idea but....

Thanks for the link!

The only issue is that it's not my car, I'm doing it for a friend!! I don't think she'd like me cutting holes in her rig! If it were mine, no problem!

Thanks again! I used in-line pumps on my race car and prefer them!

Andrew
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Unread 06-30-2004, 03:52 PM   #6
greasefingers
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1994 ZJ 
 
Join Date: Sep 2003
Location: Northern VA, USA, NJ
Posts: 8,237
Yep you got to lower the gas tank. I did mine without a lift; I just jacked the rear up a bit to allow the tank to swing down. I live in the North East, so the two hanger bolts were rusted on. I used a hacksaw blade in my hands to saw them off. You can access the worm clamps on the fuel tank fill-tube & vent line without removing the rear tire. Once the tank is removed you can wipe the inside of the tank clean. I paid $308.00 at my local parts store for a replacement gas pump/sending unit.
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Cheers Steve

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88 Cherokee 2-door with 5speed manual 139K miles(deceased) purchased new
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Unread 06-30-2004, 04:08 PM   #7
900Steve
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Location: Boston, MA
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exactly. jacked the rear of the jeep up on stands, and dropped the tank. paid about $300 for the pump.

overall, the job wasn't nearly as tough as i thought.
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