Engine Rebuild, Break-In, and Tune-Up
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® thread sealants are designed to perform to
sealing standards with machine oil residue present. If
excessive machine oil or poor cleanliness quality exists,
clean with solvent. Refer to John Deere Merchandise and
Parts Sales Manual for ordering information.
AR31790 SCOTCH-GRIP® EC1099 PLASTIC
· AR31790 118 ml (4 oz)
Rocker arm cover gasket
LOCTITE® 242--THREAD LOCK & SEALER (MEDIUM
· TY9370 6 ml (0.2 oz) tube
· T43512 50 ml (1.7 oz) bottle
Plugs and fittings: fuel filter base, intake manifold, cylinder
block (oil galley).
Cap screws: injection pump access cover, electronic
Oil pressure sending unit.
LOCTITE® 271--THREAD LOCK & SEALER (HIGH
· TY9371 6 ml (0.2 oz) tube
· T43513 50 ml (1.7 oz) bottle
Studs: injection pump-to-block and exhaust
LOCTITE is a trademark of Loctite Corp.
SCOTCH-GRIP is a trademark of 3M Co.
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