Having problems with your 1994 Oldsmobile Achieva Special Edition ?

Replacing a heater core in a 1994 olds. achieva.

Posted / edited by AnonymousUser on : 22-10-2018

Answers :

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  1. Disconnect the negative battery cable.
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  3. Drain and recycle the engine coolant.
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  5. Raise and safely support the front of the vehicle.
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  7. If necessary, remove the rear lateral transaxle strut mount.
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  9. Detach the drain tube, then disconnect the heater hoses from the core tubes.
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  11. Carefully lower the vehicle.
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  13. Remove the console if equipped.
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  15. Unfasten and remove the sound insulators, console extensions and/or steering column filler, as required.
\015\0120900c152800a93fc.jpgFig. 1: Unfasten the sound insulator retaining bolts ...\015\0120900c152800a93fd.jpgFig. 2: ... then remove the sound insulator\015\012
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  1. On some models it may be necessary to remove the steering column opening filler.
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  3. Remove the floor or console outlet ductwork and hoses.
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  5. Remove the heater core access cover.
\015\0120900c152800a93fe.jpgFig. 3: Remove the heater core access cover\015\012
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  1. Unfasten the heater core mounting clamps/bolts, then extract the heater core from the vehicle.
\015\0120900c152800a93ff.jpgFig. 4: Unfasten the heater core retaining bolts; most later models are secured with clamps\015\0120900c152800a9400.jpgFig. 5: Remove the heater core from the vehicleTo install:
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  1. Install the heater core, then secure using the clamps/bolts.
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  3. Fasten the heater core cover.
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  5. Connect the outlet hoses and ducts.
  6. \015\012
  7. Install the sound insulators, console extensions and/or steering column filler.
  8. \015\012
  9. Raise and safely support the vehicle.
  10. \015\012
  11. Install the drain tube and connect the heater hoses to the core tubes.
  12. \015\012
  13. If removed, install the rear lateral transaxle strut mount, if removed.
  14. \015\012
  15. Carefully lower the vehicle.
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  17. Connect the negative battery cable.
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  19. Fill\015\012cooling system and check for leaks. Start the engine and allow to come\015\012to normal operating temperature. Recheck for leaks and check coolant\015\012level. Add if necessary.6d0c523.jpg182943c.jpg164cdd5.jpg8032c04.jpg18be863.jpg
Repair Help & Product Troubleshooting for 1994 Oldsmobile Achieva Special Edition

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