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Greg Reimer 7376 · 03-25-2017, 10:14 AM

When I worked for the city of Los Angeles, our fleet had a lot of those trucks. A few of them developed rocker noise like you described. Isolate the rocker and remove it for inspection. They are roller rockers, sometimes parts get loose.

03-25-2017, 10:14 AM	#2
Greg Reimer 7376 VIP Member Join Date: Nov 2008 Location: Glendora,Calif. Posts: 1,112 Likes: 165 Liked 652 Times in 209 Posts	Re: 5.3 LS Top End Noise When I worked for the city of Los Angeles, our fleet had a lot of those trucks. A few of them developed rocker noise like you described. Isolate the rocker and remove it for inspection. They are roller rockers, sometimes parts get loose.