Perkins — Turbocharger - Remove and Install
Repair & overhaul
From a Perkins service manual covering: 402D-05, 403D-07, 403D-11, 403D-15, 404D-22, 404D-22T, 404D-22TA. Check it applies to your exact model before use.
Applies to: Perkins 402D-05, Perkins 403D-07, Perkins 403D-11, Perkins 403D-15, Perkins 404D-22, Perkins 404D-22T, Perkins 404D-22TA
Before you start
- Keep all parts clean from contaminants.
- Do not use the actuator rod of the wastegate to lift the turbocharger.
Procedure
- Loosen hose clamps (5) and remove air inlet hose (1); remove allen head screws (21) and exhaust elbow (19); remove gasket (18).
- Remove banjo bolt (2) and washers (3); remove tube clip fasteners; remove bolts (14) and tube assembly (13); remove O-ring seal (12).
- Remove bolts (8) and disconnect tube assembly (10) from turbocharger; remove joint (7).
- If necessary, remove bolts (9) and tube assembly (10) from cylinder block; remove joint (11).
- Remove nuts (17) and turbocharger (4) from exhaust manifold; remove gasket (20).
- If necessary, remove studs (15) from exhaust manifold.
- Ensure turbocharger clean and free from damage; inspect for wear.
- Test actuator; replace complete turbocharger if damaged.
- Clean manifold mating surfaces; install studs (15) and tighten to 18 N·m (13 lb ft); install new gasket (20).
- Position turbocharger (4) on manifold; install nuts (17) and tighten to 25 N·m (18 lb ft).
- Position new joints and tube assemblies; install bolts (9) and (8) finger tight; tighten to 10 N·m (89 lb in).
- Lubricate turbocharger bearings with clean engine oil through oil inlet port (16); rotate shaft.
- Install new O-ring seal (12) to tube assembly (13); install bolts (14) and tighten to 10 N·m (89 lb in).
- Install new washers (3) and banjo bolt (2); tighten banjo bolt to 18 N·m (13 lb ft).
- Install new gasket (18) and exhaust elbow (19); install allen head screws (21) and tighten to 32 N·m (24 lb ft); install air inlet hose (1) and tighten hose clamps (5).
Specs & values
- 18 N·m (13 lb ft) studs (15)
- 25 N·m (18 lb ft) nuts (17)
- 10 N·m (89 lb in) bolts (8) and (9)
- 10 N·m (89 lb in) bolts (14)
- 10 N·m (89 lb in) tube clip fasteners
- 18 N·m (13 lb ft) banjo bolt (2)
- 32 N·m (24 lb ft) allen head screws (21)
Full service-parts list: Perkins 402D-05 →, Perkins 403D-07 →, Perkins 403D-11 →, Perkins 403D-15 →, Perkins 404D-22 →, Perkins 404D-22T →, Perkins 404D-22TA →
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.