1992 OLDSMOBILE 88 HEATER CORE

  • Tiny
  • getsome
  • 1992 Oldsmobile 88

Heater problem
1992 Oldsmobile 88 6 cyl Front Wheel Drive

how to replace the heater core on a 88 olds royal, can't find the bolts to remove the dash board, I already have repair manual, but it does not give detail on ho to remove the dash board, can't find the bolts underneath the dash board.

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Friday, October 30th, 2009 AT 8:00 PM

4 Replies

  • Tiny
  • bluelightnin6
  • Expert
  • 17,061 posts

REMOVAL:

Properly disable the SIR system.
Drain the cooling system into a suitable container.
Using a suitable pair of hose clamp pliers, unfasten the clamps, then disconnect the heater hoses from the heater core.
If equipped with manual climate control, remove the A/C temperature valve actuator as follows:

A. Remove the instrument panel assembly.

B. Remove the temperature valve link rod from the temperature valve by snapping it out.

C. Detach the electrical connector from the A/C temperature valve actuator.

D. Unfasten the retaining screws, then remove the A/C temperature valve actuator.

If equipped with electronic climate control, remove the programmer as outlined in the following steps.

A. Open the glove compartment, disengage the stops and swing the door down.

B. Detach the electrical and vacuum connectors.

C. Remove the driver temperature valve link rod.

D. Unfasten the screws and remove the programmer from the vehicle.

Remove the heater core cover screws, then remove the cover.
Unfasten the heater core retainers, then remove the heater core assembly.

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Friday, October 30th, 2009 AT 8:08 PM
  • Tiny
  • getsome
  • Member

Do I have to remove or take out the entire dash board

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Friday, October 30th, 2009 AT 8:19 PM
  • Tiny
  • bluelightnin6
  • Expert
  • 17,061 posts

No, the dash does not have to be removed. Only what was stated above.

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Friday, October 30th, 2009 AT 8:27 PM
  • Tiny
  • getsome
  • Member

Thank you, will try to fix it tomorrow

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Friday, October 30th, 2009 AT 9:47 PM

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