1999 Ford F-150 Q&A
1999 Ford F-150 Question: Heater core replacement.
yes and yes,the evaporator and heater core are in the same plenum. - bmdouble
On most cars,, except a lot of toyotas, you do need to discharge the a/c system in order to remove the heater core, because they are both in the same location. (the heater box, or sometimes called the evaporator box). Toyotas are designed in such a way that you can remove the heater core without removing the evaporator, (the evap box can be split without removing it from the car) All other manufacturers do not have this ability. - Visitor
how do you flush the heater core? while ideling gets warm. driving gets cold. has new thermostat, but will not get the cab warn at all.
Replaced heater code and coolant flush. Now have a noise under dash at RPMs over 2300. Sounds like squirting water through a hose. Have driven this way for a month now. No noise under 2300. Also c...
my email is email@example.com R&R heater core on 1998 F150 4.6 W/AC
How much more will it cost to replace heater core if AC has to be evacutaed. I can recharge my system myself?
looking for info to replace heater core on this model only