WHAT'S THE DAMAGE? - 5.3L LS - LOW OIL PRESSURE - DOD DELETE - PART 1 - UTX

Today at Ugly Truck, we're tearing down a 5.3L LC9 from a 2011 Chevrolet Silverado 1500 for new bearings and a DOD delete. This truck came to us with less than 10 PSI oil pressure when warm. If you're not familiar with the LC9, it's aluminum block 5.3 LS with the dreaded GM DOD (Displacement On Demand) system. If you're not familiar with DOD, consider yourself lucky! And that's the nicest thing we have to say. Unfortunately, it's a necessary evil for GM to meet emissions standards and give us LS motors to play with. You never want to have to tear an engine apart with only 130k miles, but that aluminum block sure is pretty!

In this video, we tear the LC9 down to check for damage from the lack of oil, and to decide if it can be saved. Fortunately, it looks like we're just in time and there's just some wear on the cam bearings. We dropped the engine block and crankshaft off at the machine shop, and hopefully we can install some new bearings and piston rings, and this Chevy will be back on the road. Stay tuned for PART 2, where we'll reassemble the motor and delete the DOD for good!

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