Question about 1992 Buick LeSabre

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Mother in law's 1992 lesabre limited heater core leaking. I am trying to help her out since my father in law passed. Just like most GM products i started under the dash, have removed dash panel, lower panel and yet with all the wiring and air vents i just can seem get to it. I purchased a Chilton book yesterday, what a great help that was, 7 steps, no details, and the best part, " dis-assemble dash as required". The book was returned even thought the store policy says manuals not returnable, the manager couldn't argue once he read that. Any help would be greatly appreciated.

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Is this any better?

1992-99 Vehicles
BUICK

See Figures 7 and 8

  1. Disconnect the negative battery cable. Properly disable the SIR system, as outlined in Chassis Electrical of this repair guide.
CAUTION Some models covered by this information may be equipped with a Supplemental Inflatable Restraint (SIR) system, which uses an air bag. Whenever working near any of the SIR components, such as the impact sensors, the air bag module, steering column and instrument panel, disable the SIR, as described in Chassis Electrical .

2. Remove the reveal cover and upper trim panels, as follows:

  1. Remove the reveal covers by prying them up and carefully pulling forward.
  2. Remove the fasteners, then carefully pull the upper trim plate up and remove the sunload and twilight sentinel by turning 1 / 4 turn.
  3. Remove the upper trim plate.


mother in law's 1992 lesabre - d849c2b.gif

Fig. Fig. 7: Exploded view of the upper trim plate - 1995 Buick shown, other years similar

  1. Remove the information center fasteners, then remove the center.
  2. Remove the lower instrument panel trim plate by carefully prying it out.
  3. Carefully pry out the air deflectors.
  4. Unfasten the fasteners, then remove the instrument panel trim plate.
  5. Remove the passenger inflator module.
  6. Remove the knee bolster/deflector.
  7. Place a protective cloth on the steering column to avoid scratching. Lower the steering column.
  8. Unfasten the instrument panel fasteners. Pull the instrument panel slightly rearward.
  9. Detach the electrical connector, including the antenna cable. Disconnect the vacuum line.
  10. Carefully remove the instrument panel from the vehicle.
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Fig. Fig. 8: Exploded view of the instrument panel and related components - 1995 Buick shown, other years similar


To install:

  1. Carefully maneuver the instrument panel into the vehicle.
  2. Attach the vacuum line connector and the electrical connectors.
  3. Install the instrument panel fasteners, and tighten to 89 inch lbs. (10 Nm).
  4. Raise the steering column.
  5. Install the knee bolster/deflector.
  6. Install the passenger inflator module.
  7. Instal the instrument panel trim plates, using the reverse of the removal procedure.
  8. Install the information center and secure with the retaining fasteners.
  9. Properly enable the SIR system and connect the negative battery cable.

Posted on Oct 05, 2010

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  • Master
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Do a search on www.youtube.com. there are several heater core removal videos there, yours may be close to other GM products. those things are a ***** on any car after the 70s.

Posted on Oct 05, 2010

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