Heater Hose Inlet And Outlet; Defroster Duct; Heater Wiring Schematic - Pontiac Grand Prix Service Manual

HEATING A N D VENTILATION 1-9
FORWARD
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IN CAR
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SECTION B-B
TWIST TAB AS0 AT INSTALLATI
MUST BE I N THE SLOTS P R O V l
NOZZLE MUST BE D R A W N UP
HEATER DUCT
(WITH STEREO TAPE)
Fig. 1-8 Typical-Duct Installation
11. Replace heater hoses, being careful to install them
DEFROSTER DUCT
in their proper location.
12. Refill radiator.
ALL-REMOVE AND REPLACE
Fig. 1-8 is typical of defroster and heater duct
HEATER HOSE INLET AND OUTLET
installation and should be referred to when replacing
these components.
ALL-REMOVE AND REPLACE
HEATER WIRING SCHEMATIC
1. Partially drain radiator.
ALL
2. Remove hose clamps and slide hose from fittings.
3. Replace hose and secure clamps.
The heater wiring schematic is shown on Fig. 1-9.
Note that resistance values for all four models are
4. Replace coolant filling to proper level.
shown on this figure.