Heater Core Replacement Procedures

2000 Chevrolet Silverado
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2000 Chevrolet Silverado

 

Haynes_Repair_Manual.JPG

Before you start removing your vehicle components, be sure you have your new heater core, heater hoses, clamps, coolant, and all other parts you will need for the job. Once you begin, you will not be able to drive the vehicle until the job is completed.

 

Removal & Installation

 Source:  http://www.2carpros.com

 

REMOVAL PROCEDURE 

 

Drain the engine coolant. Refer to Draining and Filling Cooling System in Engine Cooling. 
Disconnect the heater hoses. 
Disconnect the temperature control cable from the heater/ventilation module. 
Disconnect the mode control cable from the heater/ventilation module. 
Remove the instrument panel (IP) carrier (2). 
Disconnect the electrical harnesses and the ground connections as necessary. 

 

Remove the heater/ventilation module mounting nuts and the screws. 
Remove the heater/ventilation module assembly. Set the module assembly on a bench. 
Remove the heater core cover screws. 

 

Remove the heater core cover. 

 

Remove the heater core. 

INSTALLATION PROCEDURE 

 

Install the heater core. 

 

Install the heater core cover. NOTE: Refer to Fastener Notice in Service Precautions. 
Install heater core cover screws. Tighten Tighten the screws to 1.6 N.m (14 lb in) . 
Install the heater/ventilation module assembly to the vehicle. 
Install the heater/ventilation module mounting nuts and the screws. Tighten 
Tighten the screws to 4 N.m (35 lb in) . 
Tighten the nuts to 9 N.m (80 lb in) . 

 

Connect the electrical harnesses and the ground connections as necessary. 
Install the instrument panel carrier (2). 
Connect the mode control cable to the heater/ventilation module. 
Connect the temperature control cable to the heater/ventilation module. 
Connect the heater hoses. 
Refill the engine coolant. Refer to Draining and Filling Cooling System in Engine Cooling.
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JC Whitney - Truck, SUV, and Van

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