John Deere — Engine Disassembly Sequence

Repair & overhaul

From a John Deere service manual — check it applies to your exact model before use.

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Procedure

1. Drain all coolant and engine oil; check oil for metal contaminants
2. Remove fan belts, fan and alternator
3. Remove turbocharger (if equipped) and exhaust manifold
4. Remove rocker arm cover with vent tube
5. Remove rocker arm assembly and push rods keeping rods in sequence
6. Remove thermostat housing and by-pass tube
7. Remove oil cooler piping and water pump
8. Remove dipstick, oil filter and engine oil cooler
9. Remove starting motor
10. Remove fuel filter, fuel transfer pump and fuel lines
11. Remove injection lines, injection pump and injection nozzles
12. Remove cylinder head
13. Remove cam followers keeping same sequence
14. Remove oil pan, crankshaft pulley and oil pressure regulating valve
15. Remove timing gear cover, oil pump drive gear, oil deflector, timing gears and camshaft

Source: John Deere service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.

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