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2002 Escalade transfer case loud popping

Anunez32

By Anunez32
in Ask A GM Technician

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Anunez32 New Member

Anunez32

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My 2002 6.0 AWD Escalade recently starting making loud popping sounds only during acceleration. I had a shop take a look at it and said it was my transfer case. My question is does a 2002 denali xl with 6.0 AWD and so will the transfer case fit my Escalade? The transfer case that came out the Denali is a np149 but will it function correctly on my Escalade? I'm a little confused because I heard I need the Denali vin to make sure it won't blow my transmission?

Anunez32 New Member

Anunez32

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Yes both are 149s but does it matter if the Denali had different transmission ?? 4L60e and 4L65e difference?

Chris Senior Enthusiast

Chris

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Only difference in the transmissions is basically the input gear. The cases, shaft size, and splines are the same

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