Excessive cabin heat, 2016 Precept
On our recent trip up a Rocky Mountain pass, in 90 degree weather, the Precept pulled well (Banks intake) and the engine was fine, but engine heat, from behind the radiator, was flooding the cabin with 100+ deg heat. There must be gaps into the engine bay.
You have to remove the front seats to get a good look, but snaking around I can see daylight near the A/C tubing, two finger gaps on both sides of the engine cover and a big vent in the passenger footwell. I have lined the engine cover with Dynamat and I'll seal every gap I can reach with metal tape and Dynamat, but I think there are major gaps in the Jayco plywood firewall as it interfaces with the Ford chassis that are out of reach. I didn't notice this extreme hot air before - could something have moved under the cowl?
I don't think that footwell vent comes from the engine. Isn't that the air return into the Ford's cab A/C? Anyone know? Don't want to plug that.
Parked on a windy day, I can feel air moving from under the front.