Other information:
Removal
NOTE:
If a heater core leak is suspected, the heater core must be leak tested before it is removed from the vehicle.
Remove the climate control housing.
Refer to: Climate Control Housing (412-00)
.
Remove the heater tube dash panel seal...
Sound Deadeners and Insulators
NOTICE:
Mastic is made of a combustible material and should be
removed prior to carrying out welding procedures to the area. Heat zones
from welding near mastic may cause the mastic material to burn.
NOTICE:
Corrosion protection must be restored to the area after the
mastic material is applied...