Originally Posted by jmburton1993
Have you just flushed the heater core itself? I had similar problems and disconnected the hoses from the engine to just flush the core did the trick
I did that on my old truck. I had no heat at all. Unhooked the hoses from the motor and used a garden hose to flush them. Had to keep reversing the direction until it flowed clear both ways. Had good heat afterwards.
- 2001 F-150 XLT 4x4. 5.4, auto, manual t-case. Mostly stock for now...
- Mods- Pioneer single-din, 16in Eagle Alloys w/265-75's. - Future- Pioneer double-din, 2-10" subs, dual exhaust, torsion key crank.
- 1992 F-150 FlareSide - Lives again - 5.0 H.O., 31x10.50's, true duals with glasspacks