Detroit Diesel — Turbo Brake Assembly Removal Procedure
Repair & overhaul · Turbocharger / turbo brake assembly
From a Detroit Diesel service manual — check it applies to your exact model before use.
Before you start
- To avoid injury before starting and running the engine, ensure the vehicle is parked on a level surface, parking brake is set, and the wheels are blocked.
- Prior to disassembly of the turbo brake assembly, a routine inspection of the turbocharger should be completed: foreign objects, restricted air flow, lack of lubrication, turbine or compressor wheel damage.
Procedure
- Apply the parking brake, chock the wheels, and perform any other applicable safety steps.
- Disconnect vehicle battery power.
- Remove the exhaust pipe from the turbocharger. Refer to the applicable vehicle service manual.
- Remove the turbocharger inlet air pipe. Refer to the applicable vehicle service manual.
- Remove the oil feed and return pipes from the turbocharger. Refer to the MBE 4000 Service Manual (6SE412).
- Disconnect the turbocharger speed sensor harness connector. Refer to the MBE 4000 Service Manual (6SE412).
- Disconnect the turbocharger wastegate and sliding sleeve air lines. Refer to the applicable vehicle service manual.
- Remove the turbocharger from the exhaust manifold and place the turbocharger on a bench.
Source: Detroit Diesel 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.