I believe the blower motor assembly can be removed by taking the cover off that is located on top of the firewall right between (and in front of) the wiper arms. Directly behind the air cleaner assembly.

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__________________
Gary


1973 450SL
1999 Silverado 4X4 Ext Cab
1999 Mercury Sable
1972 450SL Parts car

Previously owned keepers:
1967 MGCGT - 3L-6
1972 Mustang Fastback - 351C

Current Cylinder Index: 37