Question about 2003 GMC Yukon Denali

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How can I remove the fuel thank on a 2003 yukon denali

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Look under the car find two straps the hold the tank they will have one bolt for each strap suport the tank with a jack or something and take the straps off then take the fuel filler hose off then label the fuel lines and wires and disconnect them also if the tank is full of full remove the fuel hose the big one and use a smaller hose and sifone the gas out trust me that tank is gonna be heavy if its full.

Posted on Oct 03, 2010

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Posted on Jan 02, 2017

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SOURCE: 2003 gmc yukon denali xl starts but gas not

if your engine starts up and dies right away the you probably have a fuel pump problem and the service ride control mean that your air ride compressor has gone bad just turn your key to the on position and wait about 30 seconds you will here buzzing from the left rear wheel area if the compressor is working

Posted on Jul 19, 2009

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SOURCE: 2003 gmc yukon denali xl

Sounds like the fuel pump relay is bad.

Posted on May 21, 2009

asetech74
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SOURCE: Can't get rear parking brake off 04 Yukon Denali XL

You are going to have to pry it over the axle on one side of the park brake shoe assembly with either a pry bar or screwdriver. then just pop the new one back over the axle in the same way. Hope this helps

Posted on Aug 05, 2009

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SOURCE: where is the coolant temperature sensor located in a 2003 yukon

It is best to allow the engine to cool down for about 3-hours before starting this job. This is for safety and convenient reasons. It also helps to minimize the loss of coolant. Coolant draining into the environment should be avoided.
After the engine cools down, disconnect the negative terminal of the battery.

Location: The Denali's engine coolant temperature-sensor is located (threaded) into the cylinder-head just above the spark-plug. It is good thing to remove the spark plug wire in the coolant temperature-senor's immediate area. This will allow more room to work it out.

It is removed by first undoing its electrical plug, and then using a deep socket with wrench to loosen the coolant temperature-sensor.
Once done, verify that the electrical connector is replaced in its proper location. Then coonect back the negative battery terminal.

Posted on Dec 15, 2009

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SOURCE: 2004 Yukon XL Denali fuel gauge fluctuations

You can get the codes checked and see if you have a level sensor code.The level sensors are known to go bad on these vehicles.Sometimes when you rock the vehicle it will start to work properly.What happens is the fingers on the level sensor wear out and it works erratically.You can get the level sensor separately from the fuel sending unit.Hope this helps.Good luck.

Posted on Dec 18, 2009

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1 Answer

2005 yukon denali gas goes in slow and check engine light is on it tells me to tighten fuel cap


It may be a loose fuel cap or it is worn out already. Check also the hoses leading to and from the fuel tank for loose or bad ones that need replacing.

May 27, 2011 | 2003 GMC Yukon Denali

1 Answer

Were can I buy a fuel pump for 2003 yukon xl denali


Hi, you can get the fuel pump to you 2003 Yukon XL Denali from Auto Parts Warehose for $166.16 with free shipping within the U.S.A. Contact them on 1-877-809-1467...

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Were the air pump for the shocke located on a 2003 yukon denali


Should be located on the outside of the frame rail just below the fuel filler neck.

Sep 23, 2010 | 2005 GMC Yukon Xl Denali

1 Answer

How to get to the fuel pump on a 2003 denali yukon do yo have to drop the tank


Hi. The answer to your question will be yes. You will need to drop the tank to expose the fuel module. It is a all in one assembly and it is inside the tank. You will need a cam lock tool to remove the ring that holds the module in place. You can purchase the tool at auto-zone.

Aug 20, 2010 | 2003 GMC Yukon Denali

1 Answer

What type of gas fuel does the 03 yukon denali take?


regular unleaeded. 87 octaine. there is no reason to run high test unless you have a aftermarket tuner and bolton horse power additions. like CAI and exhaust, turbo, ect

Sep 21, 2009 | 2003 GMC Yukon Denali

1 Answer

2003 gmc yukon denali xl


Sounds like the fuel pump relay is bad.

May 21, 2009 | 2003 GMC Yukon Denali

1 Answer

I have a p0303 code on my 2003 yukon. i have changed my spark plugs and wire and the problem still exist. can any one help. thanks


A MISS DOESN'T SPARK ONLY,COULD BE FUEL RELATED INJECTOR OR WIRES,INJECTOR PULSE WORST CASE,IF NOT INJECTOR,VAVLE TRAIN ISSUE,ROCKER,PUSH ROD,VALVE,HOPE THIS HELPS

May 18, 2009 | 2003 GMC Yukon Denali

1 Answer

Gauges get stuck in 2005 Denali


It's the step motors inside the cluster that control the gauges . From 2003 to 2006 GM had bad step motors . You need a new cluster or you can buy a kit off ebay or amazon
How to repair GM Instrument Cluster Speedometer Gauge Stepper

Jul 17, 2017 | 2005 GMC Yukon Denali

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