Overhead adjustment

998355

{"text":"My truck is almost at 100000 miles and it’s been losing fuel efficiency and freightliner suggested an overhead adjustment. Costs about $450. 2 to 4 hours of downtime. Anyone do this to their truck? They said the valves can tighten on some trucks and you’ll see a loss of fuel efficiency about 100000 miles. Is it going to help? I’m a little less than 8.5 mpg I was running about 9.5 to 10 mpg. I tried adjusting speed. I’m not even getting big numbers MT. ","videos":"[]","link":"{}","pics":"[]","canComment":true,"externalShare":false}