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two questions #1 on engine oil senser #2 truck , starting to run hotter on 2003 Chevrolet Silverado 1500 HD

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
truck running hotter no raditor cap can't find raditor drain plug... need to change out oil pressure sencer where on engine?
(1) Answer
try the cap on the overflow reservoir , for the oil pressure sender , look near the oil filter housing.