I had a code 33 problem on ours a couple years ago, had to buy a motorcycle jack, drop the genny, jack the coach way up, and slide it out to get to the sensor which screws into the thermostat housing. As FireUp has said, removing that sensor is a chore - it really DOES NOT want to come out. But after trying heat, cold, and everything else I could think of, it finally came out. I put in a new thermostat and fan belt while I had it in my garage. Lesson learned - run that thing for an hour every month under serious load to make sure the coolant circulates and the thermostat opens!
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'04 Journey 36 with 330 Cat towing a '14 Sonic hatchback 1.4 liter turbo 6 spd. '16 Subaru Outback at home in Vancouver WA, plus a few other toys up at our remote cabin in Alaska's Talkeetna Mountains.
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