heater core replacement - Ford Forums

09-04-2003, 14:09

I picked up a heater core for my 86 F-150 today. After looking at it, just wndering which way it comes out. Looks like the bolts are on the back side of the housing. Anyway, just wandering if someone can lead me in the right direction before I begin. It is a 300 6 cyl. without a/c.
thanks.

big1 · 09-05-2003, 07:28

1. Disconnect battery ground
2. Disconnect cable from temp. blend door and mounting bracket from top of heater assy.
3. Disconnect blower & other elec. connection's
4. Dis connect heater hose's
5. From under the dash, remove 3 nut's attaching left side of heater and right side of plenum to the dash
6. Remove 2 screw's attaching right side of heater to dash, lift out heater assy.
7. Remove housing plate
8. Remove heater core
9. Reverse to reassemble
The picture my help