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Home >> Buick >> 2018 >> Regal GS >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Power Transfer Unit/Transfer Case - AAM >> Repair Instructions - On Vehicle >> Power Transfer Unit Heat Shield Replacement
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Power Transfer Unit Heat Shield Replacement

GM4439370
Callout Component Name
Preliminary Procedure 
Remove the three-way catalytic converter. Three-Way Catalytic Converter Replacement (Bank 1)Three-Way Catalytic Converter Replacement (Bank 2)
1 Transfer Case Heat Shield Fasteners[3x]
2 Transfer Case Heat Shield