52 SPECIFICATIONS Engine Lubricants and Sealants Use only the following recommended sealing compounds and lubricants. Note: All genuine cylinder head gaskets are pre-coated and do not require any type of sealing compound. When installing new gaskets, clean and degrease gasket sealing surfaces to avoid leaks. Note: All part numbers are for reference only, you should always refer to truck BOM’s before ordering parts.
Location Sealant or Lubricant Cup plugs/threaded plugs Loctite® 277 or equivalent / Teflon® thread sealer Cylinder liner seat 1161231 sealant Oil filter seal Clean engine oil Holding metal parts in place Petroleum jelly Valve stems and guides Clean engine oil Engine front cover/flywheel housing/timing gear cover 3092340 sealant Engine parts, fasteners and washers Clean engine oil Exhaust manifold studs High temperature 1161929 anti-seize Oil cooler assembly O-ring Clean engine oil O-rings, coolant, EPDM Clean coolant, or Dow Corning® 55 O-rings (except as noted) Dow Corning® 55 O-ring lubricant Threaded sensors Sealing compound on threads Turbocharger mounting nuts 1161929 anti-seize