780 V6-2849cc 2.8L SOHC B280F (1987)
If original fan housing is not intact in shaded area (see illustration), the blower motor must be replaced with p/n 3537854-6 or 3537857-9, and the
remainder or this modification does not apply.
If original fan housing is intact in shaded area (see illustration), continue with the following modificition:
