How do I take out and install a heater core in a 97 Monte Carlo?

Answer 1

Service and Repair
Notes

Remove or Disconnect

1. Air cleaner and duct assembly.
2. Drain coolant.
3. Throttle body and throttle body tube (3.4L only).
4. Both heater hoses at heater core.
5. Lower center console (if equipped).
6. Both sound insulator panels.
7. Lower heater duct.
8. Heater core cover.
9. Heater core mounting clip and bracket.
10. Heater core.

Install or Connect

1. Heater core.
2. Heater core mounting clip and bracket.
3. Heater core cover.

Tighten

* Screws to 3 N.m (27 lb. in.).

4. Lower heater duct.
5. Both sound insulator panels.
6. Both sound insulator panels.
7. Both heater hoses and clamps to heater core.
8. Throttle body and throttle body tube (3.4L only).
9. Refill coolant.
10. Air cleaner and duct assembly.


Parts Information
Part OEM Part Price
Heater Core 52487191 $90.14 Notes
Contact dealer for most current part and price information.

Labor Skill
Level Mfg.
Warranty Standard
Heater Core
Replace
With AC B 1.8 2.3 Notes
Does Not Include: Refrigerant Recovery Or Evacuate & Recharge AC System.
Without AC B 1.2 2.0 Notes
Does Not Include: Refrigerant Recovery Or Evacuate & Recharge AC System.

Answer 2

You have to remove the heater hoses from under the hood and then pull the heater box apart under the dash. It's inside the box. Not too complicated just a real pain in the you know what!