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Tahoe & Suburban The power, space, and brutal towing ability make the Tahoe and its longer sibling, the Suburban, arguably the best full size SUV's on the market today.

2013 Chevrolet Suburban
Platform: GMT 400, 800, 900

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  #1  
Old 10-05-2008, 06:38 AM
CF Beginner
 
Join Date: Jan 2007
Posts: 13
Default Where is the fuel filter on '04

I want to replace the fuel filter on my '04 Suburban.
Can anyone tell me where the filter is located and provide instructions for replacing it; such as whether the system remains pressurized when the engine is off and do I need to block off the fuel line to replace the filter.
The issue I am trying to resolve is lately the engine does not start right up; it turns over but does not fire. If I crank it for a second then stop and try again it fires right up. Or, if I turn the ignition on, and hold without sarting for 4-5 seconds then it also starts right up. Any ideas on what might be going on? dirty filter? Fuel pump? Other?
Advice appreciated.
Thx
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  #2  
Old 10-05-2008, 11:26 AM
 
Join Date: May 2008
Posts: 88
Default RE: Where is the fuel filter on '04

Here is the procedure to replace fuel filter


[hr]
[/align]
Fuel Filter Replacement (5.3L (L59) Engine) [/align]
Tools Required
J-46363 Fuel Line Release Tool
Removal Procedure
[ol]



Relieve the fuel system pressure. Refer to Fuel Pressure Relief .
Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information
Remove the fuel composition sensor bracket nuts.



Reposition the fuel composition sensor/bracket off to the side.



Using a flare nut wrench and backup wrench disconnect the fuel line fitting from the fuel filter.
Pull the quick connect fitting back until the internal retainers hit the filter stop.



Twist one end of J-46363 and insert it between the fitting and the filter.



Twist the opposite end of J-46363 and insert it between the fitting and filter.



Once J-46363 is inserted, ensure that J-46363 is parallel to the filter and fitting.



While holding the filter, push the fitting towards the filter in order to disconnect the quick connect fitting.
Remove the fitting from the filter.
Remove J-46363 from the filter.



Remove the fuel filter from the bracket. [/ol]
Installation Procedure
[ol]



Install the NEW fuel filter to the bracket.



While holding the filter, push the fitting towards the filter in order to connect the quick connect fitting.



Using a flare nut wrench and backup wrench connect the fuel line fitting to the fuel filter.
Notice: Refer to Fastener Notice in the Preface section.



Position the fuel composition sensor/bracket into place.
Install the fuel composition sensor bracket nuts.
Tighten
Tighten the nuts to 17Nm (13lbft).
Lower the vehicle. [/ol][/align]It sounds like fuel pressure is not holding.remove fuel pressure regulator vacumn hose,if there issign of fuel leak through the hose,then you regulator is bad and need to replace.( if equipped ) or fuel pump check valve is deffective and need to replace completefuel sender assembly.
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  #3  
Old 10-12-2008, 06:16 AM
CF Beginner
 
Join Date: Jan 2007
Posts: 13
Default RE: Where is the fuel filter on '04

Thank you for the excellent instructions for the fuel filter.
I will also check the fuel pressure. Sounds like thefuel pump is beginning to fail.
Do you have fuel pump replacement instructions too?
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  #4  
Old 10-12-2008, 11:07 AM
 
Join Date: May 2008
Posts: 88
Default RE: Where is the fuel filter on '04

Here is the procedure for that,but remember you need special tool to remove the lock.

[hr]



Removal Procedure
Important:Clean the fuel and evaporative emission (EVAP) connections and surrounding areas prior to disconnecting the lines in order to avoid possible system contamination.
[ol]
Click the image to open in full size.


Relieve the fuel system pressure. .
Drain the fuel tank. .
Disconnect the vent hose quick connect fitting from the fuel tank.
Disconnect the fuel feed and EVAP lines from the fuel tank lines. .
Cap the fuel and EVAP lines in order to prevent possible fuel and/or EVAP system contamination.
Click the image to open in full size.


Disconnect the EVAP lines from the EVAP canister.
Click the image to open in full size.


Using an adjustable jack, support the fuel tank.
Notice:Do not bend the fuel tank straps. Bending the fuel tank straps may damage the straps.
Remove the fuel tank strap bolts.
Remove the fuel tank straps.
With the aid of an assistant, carefully lower the rear of the fuel tank.
Slide the front of the tank away from the frame.
Lower the fuel tank slightly until the electrical connectors can be accessed.
Click the image to open in full size.


Disengage the sending unit connector position assurance (CPA) retainer.
Disconnect the sending unit and fuel pressure sensor electrical connectors.
Completely lower the fuel tank.
With the aid of an assistant, Place the fuel tank in a suitable work area.
Click the image to open in full size.


If necessary, open the clip on the fuel tank and remove the fuel feed and EVAP lines.
If necessary, remove the fuel sending unit. [/ol]
Installation Procedure
[ol]
Click the image to open in full size.


If necessary, install the fuel sending unit. .
If necessary, install the fuel feed and EVAP lines to the clip on the fuel tank. Close the clip.
Click the image to open in full size.


Place the fuel tank onto a suitable jack.
With the aid of an assistant, partially raise the fuel tank.
Connect the fuel sender and fuel pressure sensor electrical connectors.
Engage the CPA retainer.
Click the image to open in full size.


Completely raise the fuel tank.
Install the fuel tank straps.
Notice:Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.
Install the fuel tank strap bolts.
Tighten
Tighten the bolts to 40Nm (30lbft).
Remove the adjustable jack from the fuel tank.
Connect the vent line quick connect fitting.
Install the fill hose to the fuel tank.
Tighten the fill hose clamp at the tank.
Tighten
Tighten the clamps to 2.5Nm (22lbin).
If necessary, tighten the fill pipe bracket bolts.
Tighten
Tighten the bolts to 12Nm (106lbin).
Click the image to open in full size.


Remove the caps from the fuel and EVAP pipes.
Connect the EVAP lines to the EVAP canister. Click the image to open in full size.


Connect the fuel and EVAP lines to the fuel tank lines. Lower the vehicle.
Refill the fuel tank.
Install the fuel fill cap.
Connect the negative battery cable.
Use the following procedure in order to inspect for leaks: [align=left]



22.1.
Turn the ignition ON, with the engine OFF, for 2seconds.[/align][align=left]



22.2.
Turn the ignition OFF for 10seconds.[/align][align=left]



22.3.
Turn the ignition ON, with the engine OFF.[/align][align=left]



22.4.
Inspect for fuel leaks.[/align][/ol][/align][/align]

Fuel Sender Assembly Replacement (4.8L and 5.3L Engines) [/align]
Tools Required
J 45722 Fuel Sender Lock Ring Wrench
Removal Procedure
[ol]
Click the image to open in full size.


Remove the fuel tank.
Disconnect fuel and evaporative emission (EVAP) lines from the fuel tank module.
Notice:Avoid damaging the lock ring. Use only J-45722 to prevent damage to the lock ring.
Notice:Do Not handle the fuel sender assembly by the fuel pipes. The amount of leverage generated by handling the fuel pipes could damage the joints.
Important:Do NOT use impact tools. Significant force will be required to release the lock ring. The use of a hammer and screwdriver is not recommended. Secure the fuel tank in order to prevent fuel tank rotation.
Use the J 45722 and a long breaker-bar in order to unlock the fuel sender lock ring.
Remove the cam lock ring.
Click the image to open in full size.


Carefully lift the fuel tank module from the fuel tank, enough to access the quick connect fittings below the module cover.
Squeeze the quick connect fittings(1) in order to disengage them from the module cover. Remove the fuel tank module from the fuel tank.
Remove and discard the fuel tank module seal.
Click the image to open in full size.


Important:Some lock rings were manufactured with "DO NOT REUSE" stamped into them. These lock rings may be reused if they are not damaged or warped.
Important:Inspect the lock ring for damage due to improper removal or installation procedures. If damage is found, install a NEW lock ring.
Important:Check the lock ring for flatness.
Place the lock ring on a flat surface. Measure the clearance between the lock ring and the flat surface using a feeler gage at 7points.
If warpage is less than 0.41mm (0.016in), the lock ring does not require replacement.
If warpage is greater than 0.41mm (0.016in), the lock ring must be replaced. [/ol]
Installation Procedure
[ol]
Click the image to open in full size.


Install the NEW fuel tank module seal onto the fuel tank.
Position the fuel tank module part way into the fuel tank.
Connect the quick connect fittings(1) to the module cover. Install the fuel tank module into the fuel tank.
Place the cam lock ring into position.
Click the image to open in full size.


Important:Always replace the fuel sender seal when installing the fuel sender assembly. Replace the lock ring if necessary. DO NOT apply any type of lubrication in the seal groove. Ensure the lock ring is installed with the correct side facing upward. A correctly installed lock ring will only turn in a clockwise direction.


Rotate the cam lock ring clockwise using the J 45722 until fully seated.
Connect the fuel and EVAP lines to the fuel tank module. Install the fuel tank. . [/ol][/align][/align]
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Old 10-12-2008, 11:07 AM
 
 
 
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Tags
04, avalance, avalanche, cap, chevy, filter, fuel, hose, j46363, s10, special, tank, tighten, tool, vent


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