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Fig. 392: Measuring Crankshaft End Play 12. Measure the crankshaft end play. 1. Thrust the crankshaft forward or rearward. 2. Insert a feeler gauge between the center crankshaft bearing and the bearing surface of the crankshaft and measure the bearing clearance. The proper crankshaft end play clearance is 0.04-0.2 mm (0.0015-0.0078 in). 3. If the bearing clearance is not within specifications: z Inspect the thrust surfaces for nicks, gouges or raised metal. Minor imperfections may be z Replace the thrust bearings and measure the end play. z If the correct measurements cannot be obtained, repair the crankshaft thrust surfaces or Measuring Connecting Rod Bearing Clearance - Gaging Plastic Method
2004 Hummer H2 2004 ENGINE Engine Mechanical - 4.8L, 5.3L, and 6.0L - Hummer H2
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