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Home›Repair guides›Perkins›Cylinder Head - Install (Type One cylinder head bolts)

Perkins 403F-11 — Cylinder Head - Install (Type One cylinder head bolts)

Repair & overhaul

For the Perkins 403F-11, from the Perkins service manual.

Applies to: Perkins 403F-11

Before you start

  • Type Two bolts must be discarded and new bolts installed.

Procedure

  1. Clean gasket surfaces of cylinder head and cylinder block.
  2. Inspect gasket surface of cylinder head for distortion.
  3. Inspect dowels and replace if damaged.
  4. Install guide bolts to cylinder block.
  5. Install cylinder head gasket of same thickness as removed.
  6. Lift cylinder head and install onto dowels.
  7. Remove guide bolts.
  8. Clean and inspect Type One bolts; check length and threads.
  9. Install bolts to cylinder head.
  10. Tighten three cylinder bolts to 101 N·m in sequence.
  11. Tighten two cylinder bolts to 37 N·m in sequence.

Tools required

Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.

Specs & values

  • 101 N·m (75 lb ft) three cylinder Type One
  • 37 N·m (27 lb ft) two cylinder Type One
  • 50 N·m then 150 degrees Type Two

Source: Perkins 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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