Kent-Moore EN-51265 2.8L Duramax Crankshaft Sprocket Locking Tool
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Kent-Moore EN-51265 2.8L Duramax Crankshaft Sprocket Locking Tool
The 2.8L diesel has a free-wheeling driven sprocket on the intake camshaft, which is tightened once the relationship of the camshafts to the crankshaft has been established.
The crankshaft sprocket must be held in a timed position in relation to the camshafts to service the timing belt drive system, the water pump, or the high-pressure fuel pump. Due to the hydraulic engine mounts in the GMNA 31XX trucks, there is no access to the crankshaft locking plug on the side of the block, and the previous crankshaft locking tool EN-50030 cannot be used.
EN-51265 mounts to the crankshaft sprocket to lock it into position with the block. After EN-51265 is installed, the camshafts can be locked into position, and the timing belt, water pump, or fuel pump can be serviced.
If EN-51265 is not used, the engine must be manually re-timed, or engine damage may occur.
Manufacturer: SPX/Bosch (OTC Rotunda Kent-Moore Miller)
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