It is concerning but what we don’t know is the failure rate. GM hopefully has a pretty good idea. While there are a lot of posts in various forums, that doesn’t really tell us much about failure rate. The mean time to failure seems extremely short (obviously there are exceptions), but if there is a hypothetical 5% vehicle affected rate (vehicle with at least 1 faulty valve spring) and 90% of those fail within the first few hours, then ‘only’ 50 vehicles out of 10,000 would potentially be at risk (because we can assume all possible vehicles have a few hours on them by now), or about 0.5%.
Of course we don’t know the real numbers. Also, I’m not sure what is involved in changing valve springs. Based on your other posts you are going to lemon law the truck and I’d do the same.
Yukontruckman, I don’t know if there is a reasonable way to check valve springs. Could be if it is broken, you’d know it; and if it you need to check them you might as well replace them. I’d be curious to know how easy they are to replace just for my own curiosity.
Of course we don’t know the real numbers. Also, I’m not sure what is involved in changing valve springs. Based on your other posts you are going to lemon law the truck and I’d do the same.
Yukontruckman, I don’t know if there is a reasonable way to check valve springs. Could be if it is broken, you’d know it; and if it you need to check them you might as well replace them. I’d be curious to know how easy they are to replace just for my own curiosity.
I am hoping GM does the right thing without having to go to court. I hate lawyers and GM has no defense in this case. They already had my vehicle in the shop well over the laws 30 day mark.
