E 250 Van L6-300 4.9L (1984)
Figure 21 - BLOWER HOUSING FLANGE AND DOOR SHAFT SEALING
5.
Pry the lower flanges of the blower and evaporator housing apart. 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 both sides (Figure 21).
Carefully place flanges together and reassemble 8 screws. Allow time for the sealer to set up and repeat leak test of Step 2.
6.
Remove blower scroll cover and inspect blower housing 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.
7.
Reassemble blower scroll cover and electrical connections, and EEC IV system module (if so equipped).
8.
Check for proper blower operation as described in the applicable shop manual.
Econoline Vehicles Built from 1975 through February 1984 Serviced with Aspirator Drain Tube Kit Per TSB 84-18-21-S
