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Home›Repair guides›Perkins›Turbocharger - Remove and Install

Perkins 403F-11 — Turbocharger - Remove and Install

Repair & overhaul

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

Applies to: Perkins 403F-11

Before you start

  • Do not use the actuator rod of the wastegate to lift the turbocharger.

Procedure

  1. Loosen hose clamps and disconnect hose assemblies from valve mechanism cover, turbocharger and inlet elbow.
  2. Disconnect OEM exhaust from exhaust adapter.
  3. Remove banjo bolt from oil tube assembly and remove sealing washers.
  4. Remove nut from clip for tube assembly and position tube away from turbocharger.
  5. Remove bolts from tube assembly and remove gasket.
  6. Support turbocharger weight and remove nut, then remove turbocharger from exhaust manifold.
  7. Remove gasket.
  8. On installation install new gasket and turbocharger to exhaust manifold, install nut.
  9. Tighten nut (12) to 25 N·m.
  10. Install new gasket between turbocharger and tube assembly, install bolts hand tight.
  11. Tighten bolts (17) and (19) to 10 N·m.
  12. Lubricate turbocharger bearings with clean engine oil through oil inlet port and rotate shaft.
  13. Install new sealing washers and banjo bolt, tighten banjo bolt to 18 N·m.
  14. Reconnect hoses and OEM exhaust.

Specs & values

  • 25 N·m (221 lb in) turbocharger nut (12)
  • 10 N·m (89 lb in) bolts (17) and (19)
  • 18 N·m (159 lb in) banjo bolt (11)
  • 32 N·m (283 lb in) adapter bolts (25)

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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