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Chevrolet Master
17,989 Answers
- Posted on Nov 09, 2010
Re: How to remove the heater blower fan on 92 chevy 1500
Heater Core - REMOVAL & INSTALLATION
1991-92 R/V and 1991-98 C/K Series
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Disconnect the negative battery cable.
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Drain the cooling system.
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Remove the instrument panel glove compartment.
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Tag and unplug all electrical leads as necessary.
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Remove the center air distribution duct from the floor.
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If necessary, remove the ECM and mounting tray.
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Remove the hinge pillar trim panels.
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Remove the blower motor cover and then remove the motor.
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Remove the steering wheel and tilt back the instrument panel slightly.
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Remove the coolant overflow tank. Disengage the heater hoses at the core connections.
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Unfasten the attaching screws and nut and then remove the heater case.
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Remove the seven screws and lift off the heater case cover.
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Remove the fasteners and brackets that hold the heater core to the case and lift the core from the case.
To install:
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Install the heater core in the case.
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Install the heater case bottom plate. Make sure there is a good seal.
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Install the heater case into the truck. Tighten the 4 lower screws
to 17 inch lbs. (2 Nm); the upper screw to 97 inch lbs. (11 Nm); and
the nuts to 25 inch lbs. (2.8 Nm).
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Connect the heater hoses at the core tubes.
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Install the coolant overflow tank.
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Install the instrument panel and the steering wheel.
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Install the blower motor and cover.
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Install the trim panels and if removed, the ECM. Install the air distribution duct and reconnect all electrical leads.
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Install the glove compartment. Fill the cooling system and connect the battery cable.
Blower Motor - REMOVAL & INSTALLATION
1992-98 Models
(see Figure 4)
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Disconnect the negative battery cable.
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Remove the right rear quarter panel trim.
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Disconnect the electrical lead at the fan.
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Remove the screws and if equipped, the cooling tube.
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If necessary, remove the fan retaining nut and lift out the blower fan.
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Remove the blower motor.
To install:
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Install the blower motor and then position the fan.
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Install the retaining nut and then tighten the mounting screws to 12 inch lbs. (2 Nm).
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If removed, install the cooling tube.
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Connect the electrical lead. Install the quarter panel trim cover.
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Connect the battery cable.
Fig. 4: Auxiliary heating and A/C system
Hope this helps (remember to rate this answer).
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