Bob - originally it was white grease there, but anything that isn't too thick and can take a bit of heat works ... use lots, but don't pack it full .... and this question woulda been better in the dirveline or general forums, nothing electric involved 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