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Old 06-19-2011, 11:13 AM   #1 (permalink)
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My Santa Fe fuel gauge is erratic, and now the check engine light is on also. After experiencing the problem this week and reading all of the forum entries I can find on here about fuel guage problems, I have a few questions.

1. Is replacing the right and left fuel tank level sensors a reasonable job at home for a guy who is mechanically inclined, has plenty of ventilated garage space and time during vacation to do it?

2. How expensive is the process for the dealer to do it on a vehicle out of warranty?

3. How expensive are the fuel level sensors themselves?

4. Are the fuel level sensors only available via the dealer?

Thanks for replying
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Old 06-26-2011, 02:52 PM   #2 (permalink)
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I have the same problem and the same questions....

Hopefully we will be able to get some answers this time.
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Old 06-28-2011, 07:22 PM   #3 (permalink)
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Anyone???
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Old 06-29-2011, 06:35 AM   #4 (permalink)
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QUOTE (Milkmaster @ Jun 19 2011, 11:13 AM)
Quote:
My Santa Fe fuel gauge is erratic, and now the check engine light is on also. After experiencing the problem this week and reading all of the forum entries I can find on here about fuel guage problems, I have a few questions.

1. Is replacing the right and left fuel tank level sensors a reasonable job at home for a guy who is mechanically inclined, has plenty of ventilated garage space and time during vacation to do it?

2. How expensive is the process for the dealer to do it on a vehicle out of warranty?

3. How expensive are the fuel level sensors themselves?

4. Are the fuel level sensors only available via the dealer?

Thanks for replying
1. Dunno, but from what I've read on this site, looks like they come out through the access panel under the rear seat (no dropping of the tank) so shouldn't be too hard. Just be careful to not spill any fuel inside the car and ground yourself to avoid any sparks. Fuel will not ignite easily, fuel vapours will. Open all the doors and I would say wait to do it in a windy day to help take the fuel vapours away.

2. A call to your dealership should provide you with this answer

3. See #2

4. See #2

Sorry I can't help more.
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Old 06-29-2011, 07:06 PM   #5 (permalink)
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QUOTE 1. Dunno, but from what I've read on this site, looks like they come out through the access panel under the rear seat (no dropping of the tank) so shouldn't be too hard. Just be careful to not spill any fuel inside the car and ground yourself to avoid any sparks. Fuel will not ignite easily, fuel vapours will. Open all the doors and I would say wait to do it in a windy day to help take the fuel vapours away.


I like you only know what I have read so far. I am hopeful I will receive a reply from someone who has actually made the repair more than just read about it. A few of the entries I read were from people who sounded like they could have been Hyundai service techs. HOwever, the threads were pretty old.

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Old 06-30-2011, 06:54 AM   #6 (permalink)
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QUOTE (Milkmaster @ Jun 29 2011, 07:06 PM)
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A few of the entries I read were from people who sounded like they could have been Hyundai service techs.
SBR711 is one.
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Old 06-30-2011, 01:35 PM   #7 (permalink)
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Im a amauter do it your selfer.

User your Vin number to get the right parts.

My son who is a mechanic and I looked up this info:

It takes 3 hours labor. I was quoted about $380 to replace it in The Garage he is employed.

The dealership from which the car was purchased wanted $600!!!

I looked up the cost on the 2 senders. They cost about $80 each at a dealer.

I have seen costs as low as $62 each on the internet.

The access to the senders are located under the 2nd row back seats. (No fuel tank removal)

The seats need to be removed - 4 bolts per seat.

There is carpeted covers with access ports below for the LH fuel pump/sender and RH sender.

The access covers need to be removed carefully - electrial lines are going through the access covers

The RH Passenger one is called the Sub Fuel Sender. (appears to be a single assembly/ unit)

On the LH unit with the fuel pump there is a proceedure to relieve fuel pressure requiring the disconection of the fuel pump harness(I think its the gray one) and turning on the vehicle unit lt stalls. Turn off the ignition and remove the key. There is no mention of disconnecting the battery.
There is also a pump pressure harness (Looks like the larger of the 2 harness)
MY son said that waiting 15 minutes should do the same thing to remove fuel pressure.

Both units require removal of the locking ring using a brass punch - to prevent damage to the locking rings and sparks

The fuel line quick disconnects and vaccum lines need to be removed.

The LH fuel sender is located under the fuel pump and pressure regulator assembly.
This entire assembly is taken out to get to the LH sender.

There is a fuel suction line connected at the bottom of both units that need disconnecting and reconnecting upon installation.

I would be very carefull to prevent spills(cover area inside car with plastic- plenty of ventielation - no smoking or anything electrical nearby at all)

We are going to try ito replace them this weekend since my wife 2007 Santa Fe has the problem. Verified with the trouble codes per my son.

I hope this helps





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Old 06-30-2011, 03:07 PM   #8 (permalink)
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Thanks for the write-up BEWISEHM.

Should help a few members.
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Old 06-30-2011, 08:03 PM   #9 (permalink)
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Wonderful report Bewisehm. PLease let us know how it turns out. Take some pictures if possible. Some of the same subject threads on here already show a few assemblies. I am cheering for your success to share with us here.
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Old 06-30-2011, 08:13 PM   #10 (permalink)
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I forgot to add earlier...Since the time I started this thread, my wife's '07 Sante Fe has retunred to normal and the check engine light has went off. I suspect this condition is only temporary and fully expect the problem to resurface. Until then I will be collecting all the data possible. Did you computer error code tell you to replace them both or is that your own decision to do that while you are there for safe measure ? Thanks again for sharing
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