Recent content by ggulino

anyone????? I know its a problem that costs money to have run down but any info would be awesome. I know a lot of ppl have issues with lifters in these vehicles.

I have a 2010 Yukon denali. vortex 6.2l sfi with afm. 73000mi #4 lifter collapsed and was replaced with all other lifters on that side. never knocked before the lifter collapsed. took it right up to the shop when it happened. all rods were checked and rockers. engine is clean and tight. knocks...