yes it's normal, up to the 60's sometime - do a search here and in general truck talk and you'll find lots of speculation about the reasons grin

Bill


Moved over to the Passing Lane

"When we tug a single thing in nature, we find it attached to the rest of the world" ~ John Muir
"When we tug a single thing on an old truck, we find it falls off" ~ me
Some TF series details & TF heater pics