Removal Procedure

Loosen the clamp and separate the air cleaner inlet elbow from the turbocharger inlet elbow.

Fig 1: Air Cleaner Inlet Elbow
Courtesy of GENERAL MOTORS CORP.
Release the clips holding the air cleaner cover to the housing.
Remove the MAF sensor electrical connector (L56 only).
Remove the air filter with the air cleaner inlet elbow attached.

Fig 2: Air Cleaner Cover
Courtesy of GENERAL MOTORS CORP.
Remove the air cleaner assembly mounting bolts.
Remove the air cleaner assembly.
- Inspect the air cleaner filter for damage or excessive dirt accumulation. Replace if necessary.
- Inspect the air inlet elbows and the CDR hose for damage or cracks, replace if necessary.
Fig 3: Air Cleaner Assembly & Mounting Bolts
Courtesy of GENERAL MOTORS CORP.