Genuine 1993 Audi 100 Cylinder Head

1993 Audi 100 Cylinder Head Parts and Q&A

• Q: What are the steps involved in dismantling and reconditioning a cylinder head on 1993 Audi 100?

  A: Audi and engine experts sell new and reconditioned cylinder heads, and specialist tools are needed in the dismantling and inspection processes, so it is convenient to Audi to buy a reconditioned head rather than trying to dismantle and recondition the original. The cylinder head of the engine block should be removed to dismantle it, followed by the removal of injectors and glow plugs, which applies to diesel models. Where applicable, looseness the coolant outlet elbow and gasket/O-ring, and unscrew the coolant sensor and oil pressure switch screwed into the cylinder head and make sure that clusters of parts remain together when taking them out to avoid accelerated wear. Look for identification marks of the manufacturer on the camshaft bearing caps and in the event they are not there, make your own. Install remove camshaft bearing caps in the following order ensuring to install them in the correct order according to engine code. Clean all parts, check the head of the cylinder, and any cracks or damage, and measure any distortion of the gasket surfaces. Check the camshaft wear, checking the distributor drive gear, and checking the endfloat and running clearance of the camshaft. Inspect the valves and make sure that the valve heads are not worn out and pitted, and check the deflection of the valve stem. The process of reassembly includes having to grind-in the valves so they are gas-tight, installing some new valve stem seals, and lubricating the parts with clean engine oils. Lastly, install the cylinder head and other related components making sure that everything is in place and tightened to the correct torque.