Blower Motor And Air Inlet Duct Installation - Pontiac Grand Prix Service Manual

1-8
1 -
PONTIAC SERVICE MANU&
SECTION B-B
AGAINST DUCT AS SHOWN
SECTION A-A
Fig.
1-7
Blower Motor and Air Inlet Duct Installation
-Typical
2. Remove heater hoses at their connections beside the
air inlet assembly.
NOTE: The hose from the water pump must go to the
top heater core pipe: the other hose runs from the rear of
the R.H. cylinder head with V-8 engines or the center of
the block with L-6 engines to the lower core pipe.
3. Remove (5) nuts from core case studs on the engine
side of the dash (Fig. 1-7).
4. Inside the vehicle pull the entire heater assembly
from the firewall.
5. Remove the bowden cables and all electrical
connectors from the heater assembly and remove
assembly. On Grand Prix models disconnect vacuum
hoses.
6 . Remove the core tube seal and core assembly
retaining strips and remove core.
7. Install the replacement core.
NOTE: Be sure the core to case sealer is intact before
installing core. Use new sealer i f necessary.
8. Install core retaining strips and core tube seal.
9. Within 'the vehicle insert the five studs on heater
through the holes in cowl and blower and air inlet
assembly. Install the case to firewall mounting nuts (on
engine side).
NOTE: It may be necessary to @st insert coolant tubes
through the dash followed by the$ve studs.
'
10. Replace the bowden cables and electrical connectors.