1999 Saturn SL2 Heater fan replacement

Tiny
OJAIOMY
  • MEMBER
  • 1999 SATURN SL2
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 113,000 MILES
How do I change/replace the heater/A-C cirulation fan. How much time does it take? And do I have to take the whole dash apart? Jeff

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Tuesday, January 5th, 2010 AT 12:18 PM

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Tiny
BLUELIGHTNIN6
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Select the following settings:

Turn the ignition ON
Select Recirc in the OFF setting
Turn the ignition OFF

Disconnect the negative battery cable.
Remove the wiper arm assemblies.

CAUTION
A sharp edge is revealed once the weatherstrip is removed.

Remove the weatherstrip at rear of the engine compartment.
Remove the cowl retaining nuts.
Remove the cowl screen assembly.
Rotate the locking tabs outward to release the filter assembly.
Remove the filter by lifting straight up.
Remove the wiper module retaining bolts.
Reposition the wiper module to the right.
Remove the filter housing attachment bolts.
Remove the filter housing.
Remove the blower motor housing:
Remove the blower motor housing screws
Release the locking tabs and remove the fan housing
Disconnect the blower motor electrical connector.
Squeeze the bottom of the connector and pull downward.
Remove the blower motor assembly by lifting straight out.

To install:

NOTE
The fan motor assembly rib must be located into the channel in the module housing.

Install the blower motor assembly into the module housing.
Connect the blower motor electrical connector.

NOTE
The housing rib must fit into the slot in the HVAC module case.

Install the blower motor housing. Snap the left and right clip into place
Tighten the fan housing to blower motor housing screws to 9 inch lbs.(1 Nm).

NOTE
A new filter housing seal must be used whenever the filter housing is removed to prevent water from leaking into module.

Remove the filter housing seal using a small flat-blade screwdriver.
Install a new filter housing seal.
Install the filter housing.
Install the filter housing screws, and tighten the screws to 31 inch lbs.(3.5 Nm).
Position the wiper module.
Install the wiper module bolts, and tighten the bolts to 44 inch lbs.(5 Nm).
Install the passenger compartment air filter. Notice the air flow direction indicator printed on side of the filter.
Rotate the locking tabs on the filter housing inward to secure the air filter in place.
Install the cowl screen.
Install the cowl screen nuts, and tighten the nuts to 9 inch lbs.(1 Nm).
Close filter access door.
Install the weatherstrip at rear of the engine compartment.
Install the wiper arm assemblies.
Connect the negative battery cable.
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Tuesday, January 5th, 2010 AT 12:31 PM

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