Diesel engines have many components, so hearing terms like 'head studs' can be confusing. Here's what they are and whether you really need them.

Middling engine performance, overheating, and coolant loss would typically go hand-in-hand when dealing with a blown head gasket, but it all depends on the point of failure on the seal.

Head gaskets are thin wafers of material that seal engine blocks to cylinder heads. They contain pressure from combustion, oil and coolant to keep each in its own lane.

Dive into the fascinating process of rebuilding a 6-cylinder diesel engine head with expert hands and precision. Watch as skilled mechanics work together, carefully disassembling, repairing, and ...