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Vortec 5300 LM7 engine: Reliability, specs, and maintenance tips

The Vortec 5300 LM7 powered GM trucks and SUVs from 1999-2007. Known for its durability and low-end torque, this 5.3-liter V8 ...
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How the water pump prevents car engine overheating

Engine temperature control depends on a constant flow of coolant through very hot metal parts. When that circulation falters, ...