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required. Bent valve in the cylinder head 1. Inspect the valves and the cylinder heads. 2. Repair or replace the components, as required. Seized oil pump 1. Inspect the oil pump assembly. 2. Repair or replace, as required. Hydraulically locked cylinder Coolant/antifreeze in the cylinder Oil in the cylinder Fuel in the cylinder 1. Remove the spark plugs and inspect for fluid in the cylinder. When rotating the 2. Inspect for failed/broken head gaskets. 3. Inspect for a cracked engine block or cylinder head. 4. Inspect for a sticking fuel injector. 5. Repair or replace the components, as required. Material in the cylinder Broken valve Broken piston rings Piston material Foreign material 1. Inspect the cylinder for damaged components and/or foreign materials. 2. Repair or replace the components, as required. Seized crankshaft or connecting rod bearings 1. Inspect crankshaft and connecting rod bearings. 2. Repair or replace the components, as required. Bent or broken connecting rod 1. Inspect the connecting rods. 2. Replace the piston and pin as an assembly, as required. Broken crankshaft 1. Inspect the crankshaft. 2. Repair or replace the components, as
2008 Hummer H3 2008 ENGINE Engine Mechanical - 5.3L - H3
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