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A. Penland
A. Penland, Ford Senior Master Technician, ASE
Category: Lincoln
Satisfied Customers: 6667
Experience:  ASE Master Certified. ASE Gasoline Engine Performance Certified,Ford Senior Master Technician
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I can't pull the plenum back far enough to pull the heater

Customer Question

I can't pull the plenum back far enough to pull the heater core out. seems to be stuck on the right side. the left side is free. the Plenum seems to extend all the way across to the door. Is the box bolted on to something? ( 99 Lincoln town car signature series).
Submitted: 1 year ago.
Category: Lincoln
Expert:  A. Penland replied 1 year ago.

To remove the heater core, you will have to remove the evaporator housing under the hood because the plenum chamber under the dash is bolted through the firewall and one of the retaining nuts is behind the evaporator housing.

See the directions below.