An update on a HF torque wrench that failed. I was using mine
1/2" Torque Wrench to install a receiver hitch on my Honda Element and set it for the spec'd 70lbs. I was underneath the car so in an awkward position but it seemed to require a lot more power to tighten the nuts than it should. I stopped. Later I put a bolt in a vise and used the torque wrench on it at different settings. Turns out that it doesn't click off at any setting and works just like a ratchet wrench to tighten. In reverse it still worked at a torque wrench. Tried lubricating but didn't make any difference.
As it has a "limited lifetime warranty" I took it back for exchange. The package was different than the current version so the clerk gave me grief even though it is a "Pittsburgh pro" tool. Go figure. They eventually looked up the item number and realized it was theirs so gave me a replacement.