50 SPECIFICATIONS Gasket and Seal Reuse Gasket and Seal Reuse Components Example Reusable Limit Reuse Recom- mendations Gaskets (steel) Cylinder head Do not reuse Discard the old gasket and substitute new if the head is removed. Gaskets (hot) Exhaust manifold, turbocharger, EGR system Do not reuse Discard the old gasket and substitute new if associated components are removed. Rubber Gaskets (special) Sealing strips (coolant duct cover, valve cover and oil pan, timing gear cover) No limit if no damage and no leaks Remove old silicone from the T joints. Clean the surface. Apply fresh silicone.
Rubber Gaskets (standard) O-rings and sealing rings No limit if no damage and no leaks Bonded seals, steel/rubber gasket Nipples, hollow screws and oil filter housing No limit if no damage and no leaks Valve seals Valve stems No limit if no damage and no leaks Discard old seals and substitute new if the gasket is removed. Crankshaft seals Do not reuse Discard old seals and substitute new if removed. Do not apply oil on the inside or outside diameters of the seal during assembly. SEALS MUST BE DRY MOUNTED.