Fuel Filter Replacement - Hyundai Forums : Hyundai Forum
 
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#1 Old 07-20-2008, 10:53 AM
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steves
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According to service manual I need to replace the fuel filter on my 06 Azera. Has anyone done this? Where is it located? Is it a DIY job? Thanks in advance.
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#2 Old 07-20-2008, 12:14 PM
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http://www.hyundaitechinfo.com/

REMOVAL(INCLUDING FUEL FILTER AND FUEL PRESSURE REGULATOR)
1. Preparation
(1) Remove the Service Cover (A) in the trunk.


(2) Disconnect the Fuel Pump Connector (A).


(3) Start the engine and wait until fuel in fuel line is exhausted.
(4) After the engine stalls, turn the ignition switch OFF.

2. Disconnect Suction Tube Quick-Connector (A), Fuel Feed Quick-Connector (, Fuel Tank Pressure Sensor Connector© and Fuel Pump & Sub Fuel Sender Connector (D).


3. Unfasten the Fuel Pump mounting bolts (E) and remove the fuel pump assembly.


INSTALLATION
1. Install the Fuel Pump assembly according to the reverse order of "REMOVAL" procedure.

--------------------------------------------------------------------------------

Tightening Torque
2.0 ~ 2.9 N·m (0.2 ~ 0.3 kgf·m, 1.4 ~ 2.2 lbf·ft)
--------------------------------------------------------------------------------



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#3 Old 07-20-2008, 08:35 PM
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steves
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Thank you Brazzel. I also saw the info on the Hyundai site but it did not tell me how to remove the fuel filter from the fuel pump and whether there were any special tools or procedures needed to replace the filter. Have you done this service before? If so, do you have any hints for me? Thanks in advance.
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#4 Old 07-22-2008, 04:12 PM
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No I have not. I feel it's just a waste of time and money and it look's like a pain in the butt.
Just run a bottle of Techron through and be done with it.
You will most likely get more stuff in your fuel system doing the filter change than it would if you just left it alone.
Unless your buying your gas from somebody with a drum in the back of thier pickup.
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#5 Old 07-22-2008, 06:15 PM
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The filter is in the pump? Is it in-tank... must be a microscreen? Weird that it's not inline with the feed line somewhere...

ANDY
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#6 Old 07-22-2008, 10:49 PM
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cdmuile
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I'll have you know that the gas I'm selling from the drum in the back of my pickup has been filtered many times!! At least that's what I've been told from the seller.....Jorge from Chiapas.
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#7 Old 07-23-2008, 03:54 AM
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Yes, but the rusty drum edmuile.... tisk tisk. How's the Yota feeling ?

Yes Andy..... In the pump and in the tank. Gotta love engineers.

I'm not going to worry about changing mine.... ever. Just buy good gas (Chevron, Shell ) From stations that are not a 100 years old & run a bottle of Techron through every few Months.

NO PROBLUMA !! Well........with that anyway
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#8 Old 09-20-2008, 08:03 PM
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…for those of you who are wondering

…with 39,000+ miles on my Azera, as well as being a technician in a number of different fields for well over 25 years, I just HAD to do it…if nothing else out of curiosity just to see if the Fuel Filter DID in fact need replacing…in addition, I’d like to pass on some information that isn’t specifically mentioned in the hmaservice-dot-com Shop Instructions:

- the Fuel Filter [p/n 31911-3L000] replacement took a total of 90 minutes to replace, most of which was spent carefully removing all the retainers, the pump, clips, o-rings, spacers, connectors, AND LEVEL/FLOAT SENSOR ASSY etc from the OLD unit in order to assemble a newly-filtered assembly

- removal & reinstallation is clearly easiest from the passenger compartment [driver’s side] with the rear seats folded down…would also suggest performing OUTDOORS in order for the fumes to dissipate unless you AND your family enjoy the smell of gasoline…place a piece of cardboard underneath as well so you don’t stain your driveway substrate.

** WARNING **

- after removing the Fuel Pump Connector [A] and waiting until the engine stalls, it is implied that the rest of the fittings & connectors can be removed without regard for any stored hazardous energy as there is no mention otherwise [THIS IS WRONG, or at the very least incomplete and should be corrected]. THERE IS STILL PRESSURE IN THE FUEL FEED QUICK-CONNECTOR [to the tune of 1 – 1.5 cups of fuel under pressure] – BE CAREFUL. Lift the retainer on the Quick-Connectors and then slide off the respective tube making sure to have some rags around the Fuel Feed tube to absorb the forthcoming pressurized fuel.

** END OF WARNING **

- BEFORE performing Step 3 “Unfasten the fuel pump mounting bolts (E) and remove the fuel pump assembly”… be advised that, you will also need to remove the mounting bracket on the Fuel Tank Level Sensor [10mm nut] and then move to the side…this will allow you to lift the Fuel Pump/Filter/Float Assy cleanly from the fuel tank…BE CAREFUL of the FLOAT and the SUCTION SCREEN as they are very delicate so you may need to change your lifting angle a few times in order to remove the complete assembly without damaging it.

- here’s where the fun starts:

- unless you have a complete [pump/filter/float] assembly you will need to remove & transfer:

- lower retainer clip for fuel pressure regulator
- float assy
- fuel pump
- return manifold [proper name?] assy
- don’t forget to reattach the fuel pump & float electrical connections to the newly assembled assembly [wow, that sounded bad…but you’ll feel good getting it all done without breaking any plastic clips or forgetting/losing any o-rings]

- NOW you’re ready to INSTALL, and YES, from here it is the reverse of the removal EXCEPT, what Hyundai doesn’t tell you is that [in my case] I threw a Check Engine Light ..no bother I figured, once started [took a few seconds] I could shut it down, disconnect the battery in order to clear the CEL and be done with it…not that case…it didn’t clear.

- Knowing that my Actron CP9125 code reader/clearer was manufactured YEARS before my Azera, I thought “I may not be able to read the code, but “ might be able to clear it”…so was the case. My attempt at reading the code was futile but my trusty CP9125 was able to clear the code [connects just under dash below steering wheel] just fine.

...so, do I think it needed replacing ?? ...…YES, for 2 reasons:

[1] the obvious…the fine print in the Hyundai warranty

[2] after removing the filter element from the OLD filter with the aid of a hacksaw [and ok, my 4lb BFH], I discovered a paper element [about 4” tall by 3 feet long] that was BLACK. The color of the paper element was itself a manilla/light brown color [as determined by a quick shot of BraKleen in one spot]. Knowing that I purchase fuel from either Irving or Sunoco, I know my fuel supply is generally pretty clean…but I simply don’t have an answer for the filter [err debris] color short of running it through a plasma spectroscopy tool at work [they might frown on that] in order to determine it’s elemental origin. I DO know that it WASN’T magnetic as I couldn’t lift anything off the filter with a couple of high-strength neodymium magnets recycled from some old hard drives

[3] ok, so I have a 3rd reason [as mentioned in a previous post [ fuel tank air filter], I didn’t want to have to replace the filter in the middle of a NH winter (replacing plastic parts in the winter isn’t very much fun when you have to bend or push back clips as part of the removal or reinstall…as some readers are all to familiar with)

…to “the cause”
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#9 Old 09-20-2008, 09:06 PM
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Congrats Armouredfrog!

Do you think that the dealer will go to that trouble? Thay'll sell you a whole new assmbly and be done. On the other hand it the assembly saves you a lot of labour it may be a wash. However for those skillful enough to do the job themselves, they could save a lot. Well Done!
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