Armada 2WD V8-5.6L (VK56DE) (2006)
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Submit a Primary part (PP) type line claim using the claims coding table shown.
SERVICE PROCEDURE
1.
Connect a fuel pressure gauge to the engine (special tool kit J-44321 or equivalent).
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Follow all instructions under "Fuel Pressure Check" in Section EC of the Service Manual for connecting the fuel pressure gauge.
2.
Look at the fuel pressure while performing a transmission "Stall Test".
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The Stall Test 10 minute warm up is not needed for this Service Procedure.
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Follow all other instructions for performing the Stall Test under "Inspections Before Trouble Diagnosis" in Section AT of the Service Manual.
CAUTION:
Do not hold down the accelerator pedal for more than 5 seconds while performing the Stall Test.
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Fuel pressure is NG if it drops below 45 psi during the Stall Test.
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If the fuel pressure is OK, this bulletin does not apply. Return to ASIST for further diagnosis and repair information.
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If the fuel pressure is NG, go to step 3.
3.
Replace the fuel pump.
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Follow all instructions under "Fuel Pump Assembly, Removal and Installation" in section FL of the appropriate Service Manual.
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Use the fuel pump listed in the Parts Information.
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Make sure to use a new fuel pump O-ring seal.
4.
Test drive the vehicle; make sure the incident is fixed.
