Category: Videos – Diesel Engine Problems & Solutions

A cylinder head repair is already one of the more involved jobs in a diesel repair shop.

The last thing any shop wants is to do the same repair twice.

Cylinder head comebacks are expensive. They tie up service bays, consume technician time, create warranty exposure, delay profitable work, and damage customer confidence. When a customer brings the truck back with another head gasket failure, coolant issue, overheating complaint, or cracked cylinder head, the replacement part often gets blamed first.

But in many cases, the cylinder head was not the original problem.

A cylinder head failure is often the visible result of another issue somewhere else in the engine. Cooling system problems, improper deck inspection, incorrect liner protrusion, fuel injector issues, reused fasteners, poor installation practices, and inadequate testing can all lead to repeat failures.

The repair is only successful when the root cause is corrected before the replacement head is installed.