MBE 900 DDEC VI Troubleshooting – Section 13.10 Incorrect Camshaft Timing

Section 13.10
Incorrect Camshaft Timing

To determine if incorrect camshaft timing is causing lack of power, check the camshaft timing; refer to MBE 900 Service Manual (6SE9007), engine chapter.‪

1. If the dial indicator reading on the unit pump lobe is 13.8 mm (0.54 in.) or above, no further troubleshooting in required.
2. If the dial indicator reading is not above 13.8 mm (0.54 in.), check engine timing; refer to "13.10.1 Engine Timing Resolution" .

Section 13.10.1
Engine Timing Resolution

Perform the following steps to resolve incorrect engine timing:‪

1. Perform an engine gear train timing check; refer to MBE 900 Service Manual (6SE9007), engine chapter-crankshaft gear.
2. Verify engine timing resolution; refer to "13.10.1.1 Test Engine with Correct Timing" .

Section 13.10.1.1
Test Engine with Correct Timing

Perform the following steps to determine if corrected engine timing has resolved lack of power condition:‪

PERSONAL INJURY ‪
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.‪

1. Start and run the engine.
2. Test drive the vehicle to ensure lack of power has been resolved.
   1. If no lack of power occurred during the test drive, no further troubleshooting is required. Shut down the engine.
   2. If lack of power occurred during the test drive, shut down the engine. Call Detroit Diesel Customer Support Center at 313-592-5800.