E 350 Van L6-300 4.9L VIN E 1-bbl (1982)
Figure 21 - BLOWER HOUSING FLANGE AND DOOR SHAFT SEALING
7.
Pry the flange apart between the blend door frame and evaporator housing, and the flange between the blower housing and blend door
housing/evaporator housing. Thoroughly blow dry the sealing areas with compressed air. Apply a continuous bead of black silicone rubber
sealer on the sealing surfaces across the bottom flange and 1-1/2 inches up the sides of the three parts (Figure 21). Carefully place flanges
together and reassemble 8 screws. Allow time for sealer to set up and repeat leak test of Step 4.
8.
Check temperature blend door for full travel and adjust if necessary as described in the applicable shop manual.
9.
Inspect blower scroll cover seal for full contact impression with edge of blower housing. If full contact is not evident or seal is damaged,
replace seal or repair skip areas with silicone sealer.
10.
Reassemble blower, blower scroll, and electrical connections and check for proper blower operation as described in the applicable shop
manual. Be sure blower motor wire grommet is pulled into hole in housing.
Figure 22 - "DUCK BILL" EVAPORATOR DRAIN TUBE-REMOVAL
Econoline Vehicles with "Duck Bill" Drain Tube Built Prior to March 1984
"Duck Bill" Drain Tube Replacement
