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Fuel sensor unit?

Tiny
MARYLOPEZ
  • MEMBER
  • 2009 HYUNDAI SANTA FE
  • 3.3L
  • V6
  • 2WD
  • AUTOMATIC
  • 132,005 MILES
My gas gauge doesn't work, and I've figured it was the sending units in the back seat. I have the correct sending unit. I watched a YouTube video on how to replace it. In the video it showed them taking off the rear plastic and extra storage covers in order to remove the back seats. Do I need to do all that or just remove the rear seats to get to the access panels?

Thanks
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Friday, November 11th, 2022 AT 2:08 PM

4 Replies

Tiny
AL514
  • MECHANIC
  • 4,692 POSTS
Hello, yes it looks like the second seat at least has to come out. The driver's second seat has four bolts to remove it, service info doesn't say which second seat to remove. I assume it's the driver's side. The pull up the carpet to get to the access panels, its much better than dropping the fuel tank. I'll post what information we have.
Just make sure you unplug the fuel pump and run the vehicle to relieve the fuel pressure.
Here are some precautions working around fuel systems, just so you have them.

https://www.2carpros.com/articles/how-to-replace-an-electric-fuel-pump
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Friday, November 11th, 2022 AT 2:35 PM
Tiny
MARYLOPEZ
  • MEMBER
  • 22 POSTS
Both sending units are under the rear driver and passenger, but the video I saw showed to remove the rear seats that in order to get to the rear bolts he took off the covers of the compartment spaces in the trunk of the SUV, behind the rear seats. Do I need to take that off as well? Are the rear bolts under there somewhere?
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Friday, November 11th, 2022 AT 2:42 PM
Tiny
AL514
  • MECHANIC
  • 4,692 POSTS
Service info only says to remove the second-row seats, there's nothing about having to remove the third row, but here are the diagrams for the third row if needed.
He may have pulled all the seats just to make it easier.
It looks like only the left rear seat needs to be removed. Might start with just pulling that seat to begin with.
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Friday, November 11th, 2022 AT 2:54 PM
Tiny
MARYLOPEZ
  • MEMBER
  • 22 POSTS
Yes, that is what I was talking about. I guess I do need to remove the luggage compartment area and jack to get to the rear bolts. Thank you this was really helpful.
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Friday, November 11th, 2022 AT 3:01 PM

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