Part Description: 2007 GMC Sierra 3500 Classic A/C System Seal Kit
Vehicle Fitment
2007 GMC Sierra 3500 Classic | SL, SLE, SLT, WT | 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL, 8 Cyl 8.1 L GAS
FAQ for A/C System Seal Kit Repair
Q: How to remove the sealing washer?
A:
You need to remove the seal washer from the A/C refrigerant component, inspect the seal washer for signs of damage, and the A/C refrigerant components for damage or burrs, and discard the sealing washer.
By Bob
GM Specialist
28/10/2022
Q: How to properly install the O-ring?
A:
The proper way is to remove the cap or tape, clean the sealing surfaces of the A/C refrigerant components, coat the new O-ring seal with mineral base 525 viscosity refrigerant oil, slide the new O-ring seal onto the A/C refrigerant component, and assemble the A/C components.
By Bob
GM Specialist
28/10/2022
Q: How to properly remove the O-ring?
A:
The proper way is to disassemble the A/C refrigerant components, remove the O-ring seal from the A/C refrigerant component, cap or tape the A/C refrigerant components, and discard the O-ring seal.
By Bob
GM Specialist
28/10/2022
Q: How to install the sealing washer?
A:
The proper way is to remove the cap or tape, clean the sealing surfaces of the A/C refrigerant components, install the new seal washer onto the A/C refrigerant component, and assemble the remaining A/C refrigerant components.
By Bob
GM Specialist
28/10/2022
FAQ for Other Repair Info
Q: How to remove the blower motor?
A:
The proper way is to remove the sound insulator panel and the Blower Motor insulating cover screws, disconnect the electrical connector from the blower motor and remove the blower motor insulating cover and the blower motor.
Q: What is the preliminary procedure for the heater core?
A:
The procedure is to remove the HVAC module and disconnect the wiring harness retainer from the Heater Core cover.
Q: What is the installation procedure for the heater outlet hose?
A:
The procedure is to install the outlet Heater Hose to the water pump and the surge tank, the outlet heater hose clamp, the heater, and surge tank hoses to the mounting clip, and the air intake tube.