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Jay B Posted on Feb 14, 2012
Answered by a Fixya Expert

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Change Fuel Filter on '04 Trailblazer

Never done it before- could use advice on how to do it, what to look for...

1 Answer

Clifford Beard

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  • Cars & Trucks Master 1,975 Answers
  • Posted on Feb 15, 2012
Clifford Beard
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Joined: Jan 25, 2011
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For starters make sure you relieve the fuel pressure. Also even though the vehicle is "higher" then a car, it is much easier to move around if you do raise the vehicle up in the air. Also the sheild shouldn't need to be removed. Look at the new filter to understand more how the quick disconnect clips work. Last and most important, even though the fuel pressure is out wear some sort of eye protection as there will still be some fuel that comes out. Below I gave you the procedure on how to relieve fuel pressure. Hope this helps and good luck....

Change Fuel Filter on '04 Trailblazer - 2_15_2012_10_43_53_am.jpg
2_15_2012_10_44_Change Fuel Filter on '04 Trailblazer - 2_15_2012_10_44_45_am.jpg><br><img loading=

5 Related Answers

Anonymous

  • 226 Answers
  • Posted on Jan 05, 2009

SOURCE: 04 trailblazer crank no start

check the timing belt and see if it's missing cogs or even broken and stripped.. that'll do it

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Anonymous

  • 1 Answer
  • Posted on May 06, 2009

SOURCE: How do I change the headlight on my 04 Trailblazer?

Hello;
Can't show you exactly, but is easy to take the grill out and change lamps while it is out! Grill has clips, you just have to un-clip it, pull two tabs on each side on the top and the whole thing comes out! (20 Minutes)

57ChevyGuy

Anonymous

  • 165 Answers
  • Posted on Jul 19, 2009

SOURCE: Where is the fuel filter on a 04 Renault Espace.

fuel filter is actually inside of the gas tank dealer ship has to do it

Anonymous

  • 1 Answer
  • Posted on Aug 25, 2009

SOURCE: Location and how to fuel filter for 04 Matrix

Fuel filter is in the tank. Attatched with fuel pump

Anonymous

  • 88 Answers
  • Posted on Jun 04, 2010

SOURCE: replace fuel filter on 04 trailblazer ex

It looks to be attached to the side of the tank behind the sheild. It looks as though there is an access cover to get to it.There should be a skid plate, or sheild bolted to the tank brackets.

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Related Questions:

0helpful
1answer

Best time to change a fuel filter?

fuel filter replacement period is in the owners manual and depends on fuel quality and driving conditions
if you get water in the fuel , it should be change immediately, even if it was just done
dirty/dusty conditions , change it more often
around now would be a good time to change it and then under normal conditions again at 100.000 miles
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My 2003 chevy trailblazer idles rough and is missing while driving. what could be the problem?

check fuel pressure regulator for fuel in vacuum line ,check fuel filter , and alot of those models needed a top engine clean where u drip top engine cleaner through the air tube to clean valves .
we have done this action quite a few times with good results where i work
for some reason these 4.2 ltr engines seam to gum up on valves alot
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2004 trailblazer doesn't start on first try. It cranks and eventually starts but usually 3-6 tries. Once started it runs fine. I have no check engine light. We have replaced the spark plugs, b

For engine to run it has to have:
Fuel, air and spark.
So if it doesn't start, something's missing.
Is your fuel pressure OK? Is your spark present? Is ECM firing injectors?
Check all those basics and I'm sure you'll find what's wrong.
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1answer

I have just hit 99k miles. What type of service do I need to have done on truck? Change spark plugs? I don't have the owners manual...

Well, not knowing what has been done previously, here's a list of some things that need to be done.

Manual says.....
Spark plugs, AC Delco 41-103's
Radiator flush

But these things should be done also, if not done already....
Clean your throttle body, this should be done more often than, maybe once a year...
Transmission filter with new fluid...or you can do a flush..use the new Dexron 6 product that GM has out now, good stuff.
Change your fuel filter and air filter
May look at changing your upstream 02 sensor
Differential fluids
Transfer case fluid, if it's 4x4
Inspect all vaccum lines
0helpful
1answer

I just went to drive home after work and if seems like my trailblazer is not getting any fuel. is there a reset on the fuel pump or something that is easy to fix this problem? My other thought is that...

Before changing anything, you need to verify the fuel pressure at the fuel rail. If the pressure is low then the fuel pump or filter are suspect. The filter is accessible under the truck, but the fuel pump is inside the gas tank.
1helpful
1answer

How do I change out the fuel filter on my 2005 Trailblazer (6-cyl)?

The fuel filter for your vehicle is located inside the fuel tank and is part of the fuel pump module. There isn't an external filter that you can change. I believe that the filter is sold only as part of the pump module so if it is indeed plugged you have to replace the entire pump module. I would have the fuel pressure tested to be sure you actually have a filter problem before replacing this as it is quite expensive.
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How do you replace the fuel filter for a GMC 2008 Envoy?

That is in the tank and part of the sending unit. You do not need to change it on this model.
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Chevy trailblazer drags when stepping on the gas makes a slight humming noise

sound like possible fuel filter has some dirt in it you are suspose to change every timr you change oil or the fuel pump is over heating when you drive it try the filter first the
1helpful
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Fuel Filter

fuel filter is inside the fuel tank to change it would require removal of the tank from the truck.
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