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ENGINE NOISE UNDER LOAD connecting rods, crankshaft and 2. Repair or replace all damaged components. Excessive crankshaft bearing clearance 1. Inspect the crankshaft bearings and crankshaft journals. 2. Repair or replace all damaged components. Oil pump pickup tube or screen bent or loose 1. Inspect the oil pump pickup tube and/or screen. 2. Repair or repalce all damaged components. Cause Correction Low oil pressure Insufficient or poor oil supply to components. 1. Perform oil pressure test. 2. Repair or replace all damaged components. Loose torque converter bolts 1. Inspect the torque converter bolts and flywheel. 2. Repair or replace all damaged components. Loose and/or damaged flywheel 1. Inspect the flywheel and flywheel attaching bolts. 2. Repair or replace all damaged components. Excessive piston-to-cylinder bore clearance 1. Inspect the piston rings for low ring tension, broken or worn rings, inspect 2. Repair or replace all damaged components. Excessive crankshaft thrust bearing clearance 1. Inspect the crankshaft end play and crankshaft thrust bearings.
2008 Chevrolet Silverado 1500 2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
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