W 250 Pickup L6-359 5.9L DSL (1989)
Bar the engine as follows:
1. Direction of engine rotation
2. Direction opposite engine rotation
3. Direction of engine rotation
If the engine will bar at Step 3, attempt to start the engine. If the starter cranks the engine, check the starter pinion gear and flywheel ring gear for
damage.
ENGINE CRANKING SPEED TOO SLOW
Make sure the wiring connections are clean, tight and not damaged.
Check the battery voltage.
Bar the engine in the direction of engine rotation to make sure the engine is free and does not have an internal malfunction.