Special Tools
EN 45000Seal Remover
For equivalent regional tools, refer toSpecial Tools

Remove the crankshaft front oil seal from the engine frontcover using theEN 45000remover.

Remove the camshaft position actuator valve oil seals fromthe engine front cover.

Remove the water pump seal from the engine frontcover.Discard the water pump seal.
Draining Fluids and Oil Filter Removal Engine Lubrication Oil Filter
Camshaft Timing Chain, Sprocket, and Tensioner Installation (LAF, LEA, or LUK) Valvetrain Valvetrain TimingTraining
DealersAll U.S. GM Dealers participating in the Center of Learning / GM Service TechnicalCollege (STC) Programs can enroll through the Center of Learning website at https://www.centerlearning.com.Within the website, there are individual training paths that are designed to assistin planning the train ...