John Deere — Install Cylinder Head
Repair & overhaul
From a John Deere service manual — check it applies to your exact model before use.
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Before you start
- Do not reposition cylinder head on the same gasket; install a new gasket if repositioned.
Procedure
- Inspect new cylinder head gasket.
- Put new head gasket on cylinder block dry.
- Lower cylinder head in correct position on block.
- Clean, inspect, and dip cap screws in clean SAE30 engine oil.
- Install cap screws in proper locations.
- Tighten cap screw No. 17 to 100 N·m (75 lb-ft) first.
- Tighten all cap screws in numerical sequence to 100 N·m (75 lb-ft).
- Retighten all cap screws in numerical sequence to 125 N·m (95 lb-ft).
- TORQUE-TURN all flanged-head cap screws an additional 90—100 degrees.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Step 1 100 N·m (75 lb-ft)
- Step 2 125 N·m (95 lb-ft)
- Step 3 additional 90—100 degrees
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.