you have pictures and insruction which screw come first and last .
The heater flap, or blend door, is difficult to replace with OEM parts supplied from Ford. There is an aftermarket kit that makes the job and cost significantly easier at heatertreater.net or on the Ebay listing.
How do I replace the heater core in a 1999 Ford e150 conversion van
The heater core on a 1999 Ford F250 Superduty is replaced by removing the heater hoses, disconnecting the wiring harness, and removing the retaining bolts. The cover can then be removed, the heater core unbolted, and removed from its housing.
How do you remove and replace the battery on a 2001 Ford F150?
To remove the fan shroud from the 1999 Ford F150 you need a user manual to guide you.
its screwed in the right hand side of the engine
you should be able to get at heater core just by removing glove box.no need to remove all the dash Is there any instructions on how to do this?
Instualation of a heater core on a 1999 Ford Explorer V6, how do you install the heater core.
How do you replace a heater core in a 1998 ford expedition?"
nope has to be the 32 valve engine
How do I locate the heater blend door actuator in a Ford f150 pickup
replace the carbon canister