Cougar/XR7 V8-4.6L VIN W (1997)
a.
Remove the heater core cover and seal.
b.
Cut the seal as shown in Figure 6. This prevents the seal from extending beyond the cover and interfering with the RTV.
c.
Apply a bead of RTV Silicone Sealant to the heater core cover along the inside face as indicated in Figure 5.
d.
Reinstall heater core cover seal and heater core cover.
e.
Apply a bead of RTV Silicone Sealant between the heater core cover and the case.