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Heater core on 95 Burb

S

staceydude

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Jun 1, 2004
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Location
Keller, Texas
Hey All,

I have searched and can not find a good article on heater core replacement on a 95 Burb,

Anyone ever done it? Difficult or easy?

Thanks
 
You're probably wind up having to take out the dash asy. in order to gain access to the heater case. The heater case comes out as an asy. also which means draining the a/c then you can get the heater core out.
I would say it's a fairly extensive job, can be intimidating if you're not the kind that likes taking apart dashes, etc.

Here's what I found in Alldata, not much help if you ask me.

NotesHEATER CORE REPLACEMENT

Heater Case (1 OF 2)
58835593

Heater Case (2 OF 2)
58835594


Remove or Disconnect

  1. Engine coolant.
  2. Instrument panel storage compartment.
  3. Electrical connectors, as necessary.
  4. Center floor air distribution duct.
  5. Hinge pillar trim panels.
  6. Blower motor cover.
  7. Blower motor.
  8. Steering column.
  9. Roll instrument panel back.
  10. Coolant recovery reservoir.
  11. Heater hoses. Refer to "Heater Hoses" in this section.
  12. Screw on interior side of cowl, near the evaporator pipe (if equipped) while holding heater case to the cowl.
  13. Four screws on the engine side of the cowl holding the heater case to the cowl.
  14. Two nuts on the engine side of the cowl holding the heater case to the cowl.
  15. Heater case.
    • It may be necessary to have an assistant when removing heater case.
  1. Heater cover.
    • Remove seven screws that hold cover to the heater case.
  1. Heater core from retainer.
Heater Case (1 OF 2)
58835593

Heater Case (2 OF 2)
58835594


Install or Connect

  1. Heater core into retainer.
    • Install seven screws that hold heater cover to heater case.
  1. Heater cover.
    • Make sure heater cover is properly sealed.
  1. Heater case.
    • May be necessary to have an assistant when installing heater case.
  1. Nuts.
  2. Screws.
  3. Screws
Tighten

  • Screws on engine side of the cowl to 1.9 Nm (17 lb in) .
  • Nuts to 2.8 Nm (25 lb in) .
  • Screw on interior side of the cowl to 11 Nm (97 lb in) .
  1. Heater hoses.
  2. Coolant recovery reservoir.
  3. Roll instrument panel forward.
  4. Steering column.
  5. Blower motor.
  6. Blower motor cover.
  7. Hinge pillar trim panels.
  8. Center floor air distribution duct.
  9. Electrical connectors, as necessary.
  10. Instrument panel storage compartment.
  11. Engine coolant.
    • Check the system for leaks.
 
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