This is a walkthrough of how to access/replace the filter/screen under the oil pressure sensor (oil pressure sending unit) of a 2009 Chevy Tahoe Hybrid 6.0L. This is in response to the P0521 DRC for low oil pressure.

I included tools needed, step-by-step walkthrough, and types of clips/connectors that you’ll be removing.

This walkthrough can likely be used for any 2007-2013 Tahoe, Yukon, Suburban, Yukon XL, Escalade, Silverado, or Sierra with the 6.0L V8.

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