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Published on Aug 23, 2012
In this two part video series, I show how to clean the throttle body on 5.3L LS engine in my 2007 GMC Sierra. This works on new body style trucks... '07+. Will also work on the 4.8, 6.0 and 6.2 LS V8 engines. Will probably work for older LS engines as well. I am performing this service on a GMC Sierra, but these engines are also found in the Yukon, Yukon XL, Chevrolet Silverado, Tahoe, Suburban, Avalanche, Trailblazer SS, Camaro, Corvette, Cadillac Escalade and the Pontiac GTO. Regardless of the exact vehicle, please check your factory service manual before starting.