Head Gaskets and Valve Covers

With a straight edge and feeler gauges.

Depends where it's cracked. This was a common problem with the 6.2 Detroit Diesels that GM used from 1984 - 1993. You'd have to magnaflux the head, find the cracks, drill a hole and tap it, fill it with a bolt, cut off the remainder of the bolt, then smooth it all down. Not someone you really want to "learn as you go" on your own vehicle.

At best, they're a temporary stopgap measure until you can get the gasket replaced.

Please re-write this so it makes some sense

Usually the best mechs. Light line does minor repairs heavy does the good stuff like rebuilds, blown head gaskets, etc

Yes it can but you risk doing more damage internally if coolant is mixing with the motor oil.

Without knowing the make, model, and year, it is hard to say. The national average for a head gasket repair is $1144 to $1468. It's generally less than $100 in parts, and the rest is in labor. You can find estimate calculators online.

One example: http://repairpal.com/estimator/head-gasket-replacement-cost

There are also many others.

The intake manifold, exhaust manifold, and head must be removed. This is a major repair. On a 26 year old vehicle you might as well do a complete engine rebuild once you remove the head. The vehicle may not be worth the cost of the repair.

200

Just like any other vehicle. The head must be removed in order to replace the gasket. There is no other repair for a blown head gasket except the replace it.

Mothers are known for comforting and making their children feel better when they hurt. Jack fell down and broke his crown in the nursery rhyme so he went running home to his mom to help him to feel better.

For the Corsa D 1.4 engine, the head bolt torque settings typically involve an initial torque of around 25 Nm (18 lb-ft) followed by an additional angle tightening of 90 degrees. It's crucial to follow the specific sequence and specifications outlined in the manufacturer's service manual to ensure proper installation and avoid any damage. Always double-check with the latest guidelines or a professional mechanic for accuracy.

Gasket that goes between head and valve cover to prevent leaks

Yes it can. Depending on the location of the oilways and the design of the head, oil can leak into a cylinder bore or out and down the side of the engine.

The torque specs for 660 raptor head and hex bolts is about 26 lbs.