Posted 1/17/2018 07:21 (#6511178 - in reply to #6510717) Subject: RE: Cat Challenger MT700 series
A 2002 model has an electrical plug on the left side of the engine that needs to be swapped to the 10W-30 plug instead of the 15W-40 plug. Also, use 10W-30 oil in the Winter months. Manifold heater grid is probably OK, but the solenoid/relay that engages it is the problem. Seen it B4.
Cat Challenger MT700 series
