Yuesstloo Timing Chain Tensioner Retention Tool EN-52436, Compatible with Chevrolet Silverado 2.0LT (RPO LSY), Buick Angkewei 2.0 LSY, GMC Sierra 2.7LT L3B, Cadillac XT4 (2019+) 2.0LT LSY. Key Step: Before removing the camshaft actuator valves, install and expand the EN-52436 in the timing chain to hold it.
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