How To Change Fuel Filter On 2006 Duramax

How to Replace & Prime a Duramax Fuel Filter

by Grace Mclain

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The Duramax fuel filter is a diesel filter that comes equipped on GM model trucks. The Duramax fuel filter is responsible for keeping sediments from the diesel out of the fuel injectors. If whatsoever of the sediments get inside the injectors, the injectors cannot disperse the diesel properly throughout the engine. The diesel fuel flows through the fuel filter from the fuel tank. One time the sediments are trapped inside the filter, the cleaner diesel and so flows to the injectors. Change the fuel filter between 25,000 and 35,000 miles as recommended by GM.

Step ane

Park the GM model truck in a well-ventilated location. Turn the steering wheel clockwise until it stops. This volition position the front wheels to the far right position and make it easier to accomplish the fuel filter through the front wheel well opening. Turn the engine off and open the hood. Prop it up with the locking rod.

Step two

Accomplish through the forepart rider side wheel well and remove the plastic guard from the rear of the wheel well. The plastic guard is connected by minor plastic clips that tin can be pried off the holes on the guard with a flat head screwdriver. Pull the guard out of the bike well and place information technology on the ground. The fuel filter is now visible and accessible.

Footstep 3

Locate the h2o sensor on the bottom of the fuel filter. Follow the wires that are fastened to the h2o sensor to the plug most the passenger side valve cover. Unplug the plug and position the water sensor plug and wires so they are hanging below the fuel filter.

Step 4

Position the baste pan under the truck in the expanse of the fuel filter. Slide the fuel filter strap wrench about halfway upwards the fuel filter. Turn the strap wrench counter-clockwise to loosen the fuel filter. Finish unscrewing the fuel filter with your hands and identify it on the passenger side frame runway virtually the fuel filter housing.

Step five

Motion to the top side of the engine and pull the fuel filter out of the engine compartment. Pour the excess diesel into the drip pan. Remove the water sensor with the pliers. Spiral the water sensor onto the new Duramax fuel filter. Tighten with the pliers. Discard the sometime fuel filter into the drip pan.

Step 6

Fill the new Duramax fuel filter with fresh diesel. Lower the new fuel filter through the engine compartment down to the passenger side frame rails.

Step 7

Motion dorsum to the front rider side wheel well and screw the fuel filter onto the fuel filter housing. Plough the fuel filter clockwise to tighten. Terminate tightening the fuel filter with the strap wrench. Plough the fuel filter one-half plough to properly seat the new fuel filter.

Step eight

Move back to the acme side of the engine and open the relief valve on the tiptop side of the fuel filter housing. Turn the relief valve counter-clockwise to open. This will permit the diesel to drain out of the relief valve pigsty. Prime the new fuel filter by pushing in on the black primer cap on tiptop of the fuel filter until the diesel starts to run out of the relief valve. Close the relief valve.

Stride 9

Turn the ignition to the accessory position for virtually 15 seconds. Creepo the engine. Inspect the new fuel filter for any diesel leaks. Plough the engine off. Reinstall the plastic guard back onto the rear of the front rider side wheel well.

Pull the drip pan out from under the truck and close the hood.

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