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Home >> Chevrolet >> 2022 >> Tahoe PPV, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 22 (Engine Mechanical - 3.0L (Lm2) Diesel - Repair Instructions (11 Of 11)) >> Repair Instructions >> Engine Block Overhaul >> Engine Block Deck Flatness Inspection

Engine Block Deck Flatness Inspection

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  1. GM5149136Courtesy of GENERAL MOTORS COMPANY

    Inspect the engine block as shown for flatness and distortion along the diagonal. Use a straightedge (1) and a feeler gauge (2). If the deck surface is out of specification, replace the block. DO NOT machine the block. Refer to Engine Mechanical Specifications for the recommended limits.

  2. GM5149137Courtesy of GENERAL MOTORS COMPANY

    Inspect the engine block as shown for flatness and deflection along the length and width. Use a straightedge (1) and a feeler gauge (2). If the deck surface is out of specification, replace the block. DO NOT machine the block. Refer to Engine Mechanical Specifications for the recommended limits.