Q: How to properly service and repair the Heater Core on Chevrolet Colorado?
A: The replacement process starts by removing the HVAC module assembly followed by extraction of the heater core pipes clamp screw and heater core pipes clamp . Begin by pulling off the heater core clamp screws then stripping the heater core clamp before extracting the heater core from the HVAC module. Add the heater core to the HVAC module assembly while applying the heater core clamp and fasten its screws at 1.9 N.m (17 lb in). Use the heater core pipes clamp and its screw to attach them afterward tightening them to 20 N.m (15 lb ft) before reinstalling the HVAC module assembly.
Q: How to replace the Heater Core on Chevrolet Malibu?
A: Start replacement by first detaching the HVAC module assembly and then the lower center floor air outlet duct. Removing the upper center floor air outlet duct requires you to first unfasten the screws located on it. Before removing the heater core and cover you must drill out the existing heat stakes on the cover before unfastening its screws. Begin the installation by positioning your new heater core properly and afterward attach the heater core cover while torquing the screws to 1.5 N.m (13 lb in). Install first the upper center floor air outlet duct with screws which should be secured at 1.5 N.m (13 lb in), followed by lower center floor air outlet duct installation and lastly reattach the HVAC module assembly.
Q: How to replace the heater core in the auxiliary HVAC module on Chevrolet Tahoe?
A: The replacement of the heater core inside the auxiliary HVAC module requires the module to be extracted first then the air temperature actuator and heater core cover should be removed. Start heater core removal by taking it out from the auxiliary HVAC module. Begin heater core installation by placing the new component into the auxiliary HVAC module and then return the heater core cover and the air temperature actuator to attach onto the module. The installation of the vehicle's auxiliary HVAC module assembly requires its return it back into the vehicle after all other steps are completed.