Engine Rebuild Guide/Sealant Application Guidelines SEALANT APPLICATION GUIDELINES Listed below are sealants which have been tested and are used by the John Deere factory to control leakage and assure hardware retention. ALWAYS use the following recommended sealants when assembling your John Deere Diesel Engine to assure quality performance. LOCTITE 592 Pipe Sealant with TEFLON ® (white): TY9374 6 ml. (0.2 oz) tube TY9375 50 ml. (1.7 oz) bottle —Pipe plugs: cylinder block (water manifold), thermostat housing, air intake manifold, tachometer drive, water pump, fan drive, fuel filter drain and bleed.
LOCTITE ® products are designed to perform to sealing standards with machine oil residue present. If excessive machine oil or poor cleanliness quality exist, clean with solvent. Refer to John Deere Merchandise and Parts Sales Manual for ordering information. —Drain valves: water pump and block —Injection pump governor cover fitting (fuel return) 04 2 LOCTITE 242 Thread Lock & Sealer (Medium Strength) (blue): —Threaded nipples and elbows in water pump housing TY9370 6 ml. (0.2 oz) tube T43512 50 ml. (1.7 oz) bottle —Temperature sending unit —Oil pan (drain hose and drain valve) —Plugs and fittings: fuel filter base, intake manifold, cylinder block (oil galley). —Connectors:
turbocharger oil supply and drain lines. —Cap Screws: injection pump access cover, tachometer drive, oil filler inlet, flywheel, water outlet manifold, engine lifting straps. —Adapter fitting for turbocharger oil inlet line LOCTITE 609 Retaining Compound (green): —Oil pressure sending unit T43515 50 ml. (1.7 oz) bottle LOCTITE 271 Thread Lock & Sealer (High Strength) (clear): —Crankshaft rear oil seal/wear sleeve, crankshaft front wear sleeve TY9371 6 ml. (0.2 oz) tube T43513 50 ml. (1.7 oz) bottle PERMATEX ® AVIATION (Form-A-Gasket No. 3): TY6299 227 g (8 oz) container —Studs: Injection pump-to-block and exhaust manifold-to-turbocharger. —Timing gear cover-to oil pan —Oil filter adapter.
—Flywheel housing-to-oil pan —Steel cap plugs: cylinder block, cylinder head, and water pump —Camshaft bore steel cap plug LOCTITE 515 Flexible Sealant: TY6304 50 ml. (1.7 oz) bottle —Water pump and water manifold gaskets CTM42 (24MAR95) 04-2 6076 Diesel Engines—S.N. (500000— ) RG,CTM42,G4,2 -19-17MAR95 160101 PN=41