1992 Isuzu Rodeo Question heater core replaced

Tiny
CATDAVID1
  • MEMBER
  • 1992 ISUZU RODEO
Heater problem
1992 Isuzu Rodeo Question 6 cyl Two Wheel Drive Manual

Do I need to remove the dash to replace heater core? If so, I do I remove the dash?
Sunday, December 20th, 2009 AT 12:50 AM

1 Reply

Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 16,542 POSTS
1. Disconnect the negative (-) battery cable.
2. Drain the engine coolant into a suitable container.
3. Disconnect the heater hoses. Be careful not to damage the core by pulling on the hose to remove. Cut the hoses if they will not come off easily.
4. Remove the instrument panel.
5. Disconnect the resistor assembly.
6. If possible, disconnect and move the duct (non air conditioning) or the evaporator housing (air conditioning) to the right to gain clearance for the heater unit. If equipped with air conditioning, do not disconnect air conditioning system until absolutely necessary. Refer to for discharging, evacuating and recharging the system.
7. Remove the instrument panel stay and heater unit.
8. Disassemble the heater unit by removing the duct, mode control case, core assembly and heater core.

To install:

9. Assemble the heater unit by installing the duct, mode control case, core assembly and heater core.
10. Install the heater unit and instrument panel stay.
11. Connect the duct (non air conditioning) or the evaporator housing (air conditioning) to the heater unit. Evacuate and recharge the air conditioning system if the system was discharged to remove the evaporator assembly.
12. Connect the resistor assembly.
13. Install the instrument panel as outlined in this section.
14. Connect the heater hoses. Be careful not to damage the core by pulling on the hose.
15. Refill the engine coolant into a suitable container.
16. Connect the negative (-) battery cable and check for leaks.
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Sunday, December 20th, 2009 AT 1:09 AM

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