Skip to main content
3 votes

Why is retorquing sometimes necessary and other times a mistake?

This is not something engineers learn, it's something mechanics/millwrights learn. Because static friction is higher than dynamic friction, bolts should be torqued once and while the bolt/nut is still ...
Tiger Guy's user avatar
  • 6,969
2 votes

Failing engine A-Mount (bad design by the automotive manufacturer?)

I think there are two problems (at least) in this case, as follows. First, it is safe to acknowledge that the failure rate of these engine mount studs is not 100% (because there is no recall!). every ...
niels nielsen's user avatar
1 vote

Failing engine A-Mount (bad design by the automotive manufacturer?)

Hmm, that's a rather ugly design, vertical loads in the gearbox mount will cause a prying action on the studs. As such your idea of bigger or better studs should help. However the endurance limit of ...
Greg Locock's user avatar
1 vote

Why do some car's A-engine-mounts have bolts vs studs vs both?

Studs need four operations, drill and tap hole, insert stud, tighten nut. Bolt needs only three. As you can see from the Jeep you need less clearance for the gun on a bolt if you use a modern head ...
Greg Locock's user avatar
1 vote

Why do some car's A-engine-mounts have bolts vs studs vs both?

Usually a consequence of access and being able to remove and replace the mount. Also studs can be chosen as they can be designed to locate at the same time, but separate pins can be used.
Solar Mike's user avatar
  • 15.9k

Only top scored, non community-wiki answers of a minimum length are eligible