GM Duramax J-44641, J-44642, J-44644 & J-44645 Front & Rear Crankshaft Seal Remover & Installer Tool Set Alt.
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GM Duramax J-44641, J-44642, J-44644 & J-44645 Front & Rear Crankshaft Seal Remover & Installer Tool Set Alt. (ST-S910)
Includes ST-124, ST-125, ST-195, ST-196
ST-124: For 2001 and later GMT800, 2500HD, 3500 with 6.6-liter Duramax diesel engine. The crankshaft front seal is fitted to both the engine block and crankshaft. Proper alignment of the inner and outer seal bodies is critical to prevent leakage. The ST-124 is designed to install the seal to the correct depth and alignment. Place the seal onto the end of the crankshaft, screw the ST-124 into the end of the crankshaft, and turn the forcing screw so the tool body pushes the seal until it bottoms in the block.
ST-125: For 2001 and later GMT800, 2500HD, 3500 with 6.6-liter Duramax diesel engine. The rear seal is press-fitted to both the engine block and crankshaft. Proper alignment of the inner and outer seal bodies is critical to prevent leakage. The ST-125 is a two-piece tool that mounts to the crankshaft and applies force to the inner and outer seal bodies. Place the new seal on the inner body of the ST-125, attach the tool to the end of the crankshaft assembly, and turn the forcing screw to press the seal until it bottoms in the block.
ST-195: For 2001 and later GMT800, 2500HD, 3500 with 6.6-liter Duramax diesel engine. The rear seal is press-fitted to both the engine block and crankshaft. Testing has shown that prying seals from the block can cause damage to the block and crankshaft. The ST-195 is a special puller with three jaws designed to grab the inner lip of the seal. The forcing screw attached to the center plate is used to react against the crankshaft end to pull the seal out.
ST-196: For 2001 and later GMT800, 2500HD, 3500 with 6.6-liter Duramax diesel engine. The rear seal is press-fitted to both the engine block and crankshaft. Testing has shown that prying seals from the block can cause damage to the block and crankshaft. The ST-196 is a special set of jaws used with the plate and screw assembly from the J-44641. The forcing screw attached to the plate is used to react against the crankshaft end to pull the seal out.
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