GM Bonneville/Eighty Eight/LeSabre 1986-1999

Air Cleaner (Element)

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Regular air cleaner element replacement is a must, since a partially clogged element will cause a performance loss, decreased fuel mileage, and engine damage if enough dirt gets into the cylinders and contaminates the engine oil.

REMOVAL & INSTALLATION



See Figures 1 through 6

The removal of air filter assembly will vary slightly for different year and different engine. The following procedure can be altered as you see fit for your specific vehicle.

  1. Disconnect the negative battery cable.
  2.  
  3. If necessary to remove the air cleaner assembly cover, disconnect the air duct tube clamp to the throttle body and slip the duct off.
  4.  
  5. Unfasten the bolts/screws, or retaining clips, then remove the air cleaner cover. The cover should be easy to remove, if not look to see if you missed a hidden clip or screw.
  6.  



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Fig. Fig. 1: Remove the air cleaner lid retaining screws

  1. Lift the air cleaner element from the housing.
  2.  



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Fig. Fig. 2: Lift the air cleaner cover off, then remove the element from the housing

  1. Clean the air cleaner housing to remove any remaining dirt. Inspect the element for dirt, dust and/or water and replace if necessary.
  2.  



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Fig. Fig. 3: Exploded view of the air cleaner element and related components - 3.5L (VIN C) engine



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Fig. Fig. 4: Air induction system components - 3.5L (VIN 1) engine



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Fig. Fig. 5: Exploded view of the air cleaner assembly - 3.5L (VIN K) engine



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Fig. Fig. 6: Air cleaner and related components - 3.5L (VIN L) engine

To install:

When installing the new filter make certain not to bend or tear the paper element.

  1. Place the new element in the air cleaner housing.
  2.  
  3. Position the cover over the air cleaner assembly and secure with the retaining clips or screws, as applicable.
  4.  
  5. If removed, install the air cleaner assembly cover.
  6.  
  7. Connect the negative battery cable.
  8.  

 
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