by dpuckett » Mon Feb 08, 2010 9:55 am
Or it has dirt and leaves built up in the ducts. Mine had a mummified mouse in the duct work, complete with a layer of grain dust, and wouldnt make the switch to the defrost.
His- 93 W250 club cab LE, auto to Getrag conversion, piston lift pump, 3.54 LSD. 400k+
Hers- 04 QC 4x4. Built auto, Triple Dog, Air Dog. Funny Round truck that aint so quiet.