Quote:
Originally Posted by anav8or
Hi all -
I've noticed some quirks with the cruise control in our Seneca and wanted to see if anyone else has experienced the same behaviors. When ascending grades, the cruise doesn't seem to want to downshift readily - I have to stomp on the gas pedal to force it to downshift or it'll just lug up the hill losing a significant amount of speed before finally downshifting. The more concerning behavior, however, is when descending grades. The cruise doesn't seem to allow the throttle to close completely which keeps the engine brake from engaging. As a result, we continue to accelerate until I hit the brakes to disengage the cruise.
These don't seem normal to me and I plan to talk with the Freightliner folks about it when I take it in for the pre-season oil and filter changes.
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That is just about how mine does too, I do use the OD cancel switch on the steeper grades when it slows about 5 mph. I relocated my OD switch closer to me so I don't have to reach as far as I did originally.
When coasting downhill I tap the brake and then the exhaust brake will engage. But like yours, with the cruise "On" it just picks up speed!