Po455 evap,wj 1999 4.7 - Jeep Garage - Jeep Forum

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Old 10-06-2013, 08:38 AM
My Jeep: 1999 4.7L WJ
Join Date: Jun 2011
Location: upstate ny
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Smile Po455 evap,wj 1999 4.7

Did smoke test , smoke coming from the leak detection pump(cracked) you have to remove air box then 3 philips screws on pump mounting bracket then pull up to disconnect filter, there are still 2 lines connected to the pump do not disconnect THESE LINES pull pump up to clear bracket filter should also be changed, held in by 10mm bolt (air box very hard to remove due to 3 rusted mounting bolts)

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