Look at fig. 4 for the heater a/c dash control:
HEATER CORE
Altima
REMOVAL AND INSTALLATION
To install:
Fig. 2: Exploded view of the passenger's side air bag module
Fig. 3: Exploded view of the instrument panel assembly
Fig. 4: Exploded view of the heater housing assemblNeed to remove heater A/C dash control , what is - 93112ge2.gifd components
Fig. 5: View of the heater core and heater housing
200SX And Sentra-
Removal And InstallationPosition the steering wheel in the straight-ahead position.
Turn the ignition switch OFF.
Disconnect the negative (() battery cable; then, the positive (+) battery cable.
Remove the driver-s side SRS and steering wheel by performing the following procedure:
Remove the lower lid from the steering wheel and disconnect the driver-s air bag module connector.
Remove both the left and right side lids from the steering wheel.
Using a tamper resistant Torx wrench (T50), remove the special bolts from both side of the steering wheel.
Carefully, remove the air bag module and store it face up.
Disconnect the horn-s electrical connector and remove the steering wheel nut.
Using a steering wheel puller, press the steering wheel from the steering column. Remove the passenger-s side SRS by performing the following procedure:
Remove the glove box door and the glove box.
Disconnect the front passenger-s air bag module connector.
Using a tamper resistant Torx wrench (T50), remove the 2 special bolts.
Remove the 4 passenger-s air bag-to-instrument panel nuts.
Carefully, remove the front passenger-s air bag module and store it face up. Drain the cooling system into a clean container for reuse.
Discharge and recover the air conditioning system refrigerant.
Working in the engine compartment, disconnect the heater hoses from the heater core tubes.
Remove the instrument panel by performing the following procedures:
On the driver-s side, remove the 2 lower panel-to-instrument panel screws and the lower panel.
Remove the 2 lower reinforcement panel-to-instrument panel screws and the lower reinforcement panel.
Remove the 6 steering column cover screws, the cover and combination switch.
Remove the 2 cluster lid -A- screws and the cluster lid -A-.
Remove the 3 combination meter screws, disconnect the electrical harness connector and remove the combination meter.
Remove the ashtray.
Remove the cluster lid -C- mask, screw and the cluster lid -C-.
Remove the 8 audio and air conditioning control assembly-to-instrument panel screws, the electrical connectors and the audio and air conditioning control assembly.
Remove the transmission shifter finisher.
Remove the rear console mask, the 4 screws and the rear console.
Remove the 4 front console screws and the front console.
Remove the front pillar garnish.
Remove the lower dash side garnish.
Remove the instrument panel mask.
Remove the instrument panel-to-chassis nuts/bolts and the instrument panel. Remove the air conditioning housing assembly by performing the following procedure:
Disconnect the refrigerant lines from the air conditioning housing assembly.
Disconnect the thermo control amp.
Remove the air conditioning housing assembly. Remove the heater unit.
Remove the heater core from the heater unit.
To install: Install the heater core to the heater unit.
Install the heater unit.
Install the air conditioning housing assembly by performing the following procedure:
Install the air conditioning housing assembly.
Connect the thermo control amp.
Connect the refrigerant lines to the air conditioning housing assembly. Install the instrument panel by performing the following procedures:
Install the instrument panel and the instrument panel-to-chassis nuts/bolts.
Install the instrument panel mask.
Install the lower dash side garnish.
Install the front pillar garnish.
Install the front console and the 4 front console screws.
Install the rear console, the 4 screws and the rear console mask.
Install the transmission shifter finisher.
Install the air conditioning control assembly, the electrical connectors and the audio and the 8 audio and air conditioning control assembly-to-instrument panel screws.
Install the cluster lid -C-, the screw and the cluster lid -C- mask.
Install the ashtray.
Install the combination meter, connect the electrical harness connector and install the 3 combination meter screws.
Install the cluster lid -A- and the 2 cluster lid -A- screws.
Install the combination switch, the cover and the 6 steering column cover screws.
Install the lower reinforcement panel and the 2 lower reinforcement panel-to-instrument panel screws.
On the driver-s side, install the lower panel and the 2 lower panel-to-instrument panel screws. Working in the engine compartment, connect the heater hoses to the heater core tubes.
Install the passenger-s side SRS by performing the following procedure:
Carefully, install the front passenger-s air bag module.
Install the 4 passenger-s air bag-to-instrument panel nuts.
Using a tamper resistant Torx wrench (T50), install the 2 new special bolts and torque to 11-18 ft. lbs. (15-25 Nm).
Connect the front passenger-s air bag module connector.
Install the glove box door and the glove box. Install the driver-s side SRS and steering wheel by performing the following procedure:
Install the steering wheel to the steering column.
Install the steering wheel nut and torque the nut to 22-29 ft. lbs. Connect the horn-s electrical connector.
Carefully, install the air bag module.
Using a tamper resistant Torx wrench (T50), install the new special bolts to both side of the steering wheel and torque the bolts to 11-18 ft. lbs. (15-25 Nm).
Install both the left and right side lids to the steering wheel.
Install the lower lid to the steering wheel and connect the driver-s air bag module connector. Refill the cooling system.
Connect the positive (+) battery cable; then, the negative (() battery cable.
Evacuate, charge and leak test the air conditioning system refrigerant.
Operate the engine to normal operating temperatures; then, check the climate control operation and check for leaks.
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SOURCE: bad heater core 2001 chevy c1500
Disconnect the battery negative. Remove the radio, air conditioning control panel, measuring instruments, remove 4 bolts that attach the steering column at the bottom of the dash has a tube that is clamped by two screws to remove this tube is divided into that part of the steering column remove that section of the tube to the steering column complete fall on top of the dash carries cristalhay nearly three screws to remove and so the dash is free and can be moved. down. we have to download or pick up the 134A freon air conditioning system to remove the air filter off the liquid line to disconnect the water hoses that enter the calentador.Ahora remove the screws holding the case where the evaporator and the heater is We can get out and disassemble the box to get the heater
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