Chevrolet 10 Series 1970 Service Manual page 61

3. Unclip the b low er m otor w ire at the b low er flange
term in al.
4. Disconnect heater hoses at the co re tubes.
5. Disconnect the re frig e ra n t lines at the P O A valve
outlet and the expansion va lve inlet.
connections.
6. Rem ove
plenum a ir va lve actuator.
7. D isconnect tem perature door cable.
8. (10-30 S eries)
outboard case attachments, the right fron t fender
s k irt should be loosened and moved.
sk irt
forw a rd ) to m ove the sk irt a sufficient amount.
9. Rem ove the case retaining screw s and sheet m etal
nuts.
and inboard to rem ove it.
Installation
1. Check the position of the blow er and evaporator case
to fir e w a ll sea ls then position the case o v e r the studs
F ig . 3 9 —A / C and H eater Hose Routing
HEATER AND AIR CONDITIONING 1A-31
vacuum hoses to vacuum r e s e r v o ir and
In o rd e r to gain access to the low er
mounting screw s and bolts
P u ll the case away fro m the mounting studs
CHEVROLET TRUCK SERVICE MANUAL
Cap all open
Rem ove enough
(from the re a r