Thanks for your advice, but I will continue to pursue Chrysler for a proper fix. The real problem seems to be the sticking rollover valve. When this sticks, two other design flaws are revealed.
1. A sticking rollover valve allows fuel to get into the breather tube. It does not drain back into the tank. This restricts future fuel flow by blocking the breather tube.
2. The inlet pipe is too small. If it were larger, it would provide a path for escaping air.
I am reluctant to modify my vehicle as it may affect warranty, and I cannot accept the "it's a Jeep thing" mentality. It only happens when I go off-road, i.e when there's lots of fuel slosh.
I'd still appreciate details of the valve TSB if anyone has them. I will be pressing Chrysler for a non-sticking valve.
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Marc Hillman - 2012 WK2 LAREDO - 3.0L CRD Auto - Quadralift - Mineral Grey - MJOC Secretary
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