Caterpillar — Turbocharger - Remove
Repair & overhaul
From a Caterpillar service manual — check it applies to your exact model before use.
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Before you start
- Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life.
- Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting, and repair.
- Dispose of all fluids according to local regulations and mandates.
Procedure
- Thoroughly clean the outer surfaces of the turbocharger (1).
- Loosen the hose clamps and remove the air inlet hose at the turbocharger compressor housing.
- Remove the exhaust pipe from the turbocharger outlet or remove the exhaust pipe from the exhaust elbow, if equipped.
- Remove the setscrews (5) from the exhaust elbow (3), if equipped.
- Remove the setscrews (6) and remove the bracket (4) from the cylinder block.
- If equipped, remove the exhaust elbow (3) from the exhaust adapter (1).
- Remove the nuts (2) and remove the exhaust adapter (1) from the turbocharger.
- Place a suitable container below the turbocharger (1) in order to collect any spillage of oil.
- Remove the banjo bolt (10). Remove the oil supply tube assembly (12) and the washers (11). Discard the washers (11).
- Remove the setscrews (17). Remove the oil drain tube assembly (18). Remove gasket (16) and discard.
- If necessary, remove the studs (8) from the turbocharger housing.
- Remove the nuts (15). Remove the turbocharger (7). Remove gasket (9) and discard. If necessary, remove studs (14) from exhaust manifold.
- Plug the oil supply and oil drain ports of the turbocharger. Install covers on the manifold ports.
Source: Caterpillar 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.