I've got a 2007 Silverado in my shop that broke the timing chain tensioner. I've repaired another one about 5 months ago. The first one did exactly the same thing. It wiped out the non tension side of the spring loaded tensioner. I feel this is a result of lack of lubrication to this area when running low on oil and running at highway speeds. Both vehicles did this going down interstate.
The first one was still running when it came in but ran terrible. It didn't bend any valves. I replaced chain gears and tensioner and all was good.
This truck is not running at all. I called GM to ask a buddy of mine if it is in fact a interference engine. I've done several of carw over the years that "claim" to be interference and did not do any damage. My buddy at GM says he has never seen this happen before. I'm I just that lucky that I get 2 in 4 months?
Any GM techs here run into this? Is it a valve bender or not.
The first one was still running when it came in but ran terrible. It didn't bend any valves. I replaced chain gears and tensioner and all was good.
This truck is not running at all. I called GM to ask a buddy of mine if it is in fact a interference engine. I've done several of carw over the years that "claim" to be interference and did not do any damage. My buddy at GM says he has never seen this happen before. I'm I just that lucky that I get 2 in 4 months?
Any GM techs here run into this? Is it a valve bender or not.
