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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different car >> Section 3 (Engine Mechanical - 4.3L (LV1)) >> Description and Operation >> Engine Component Description >> Engine Block

Engine Block

WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.

The engine block is a cam-in-block deep skirt 90 degree V-configuration with 4 crankshaft bearing caps. The engine block is cast aluminum. The 4 crankshaft bearing caps each have 4 vertical M10 and 2 horizontal M8 mounting bolts. The camshaft is supported by 4 camshaft bearings pressed into the block. The left bank of cylinders are number 1-3-5 (#1 is front left) and the right bank of cylinders are 2-4-6 (#2 is front right) viewed from the flywheel end of the engine. The engine firing order is 1-6-5-4-3-2.

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