Re: Design Flaw - wipers freeze up when driving in cold, wet conditions
I can't belive that this serious defect is being mocked, blamed on poor wiper blades and has been referred to as a non-issue. This issue is 100% related to a design flaw in the heater logic module that causes the diverter valve to reduce air flow to the defrost and heater vents during cold weather - but only when the transmission is in drive or reverse, operation is normal while in park.
As the owner of a vehicle whose heater blower virtually shuts off when you place the transmission in gear I can attest to the very real existence of this problem. I have been forced pull over and place the vehicle in Park at the side of the road to allow the ice to clear from the windshield only to have it immediately freeze up again after placing the transmission in back in drive.
Forums like this are a big help to people and I appreciate the constructive input of the members. I have learned more about my heater problem by cruising the jeep forums than my service department could tell me after having my vehicle for four days.