2000 GMC C3500 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
2000 GMC C3500 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
FAQ for Heater Core Repair
Q: What should be particularly cautioned in installing the heater core?
A:
You should tighten the screws on the engine side of the cowl to 1.9 N.m (17 lb in), tighten the two nuts to 2.8 N.m (25 lb in), and tighten the screw on the interior side of the cowl to 11 N.m (97 lb in).
By Bob
GM Specialist
01/11/2022
Q: What should be noticed in removing the heater core?
A:
On the engine side of the cowl, you should remove the 4 screws that hold the heater case to the cowl and then remove the 2 nuts that hold the heater case to the cowl.
By Bob
GM Specialist
01/11/2022
FAQ for Other Repair Info
Q: How do I remove the blower motor resistor?
A:
You should remove the right rear quarter trim panel, disconnect the electrical connectors, and remove the screws and the Blower Motor Resistor.
Q: What is the recommended torque for installing bolts when installing the condenser?
A:
The recommended torque is 4.5 N.m (40 lb in).
Q: How do I remove the IAT sensor?
A:
You should disconnect the negative battery cable and the Intake Air Temperature (IAT) sensor harness connector and remove the IAT sensor by grasping the sensor, and twist and pull out from the air cleaner outlet duct.