2005 Buick Rainier Timing Chain

You should remove the camshaft cover and the engine front cover, release the tension on the timing chain by moving the tensioner shoe in, place the tee into the tensioner to hold the shoe in place, and remove the top chain guide bolts, the top chain guide, the exhaust camshaft position actuator bolt, the exhaust camshaft position actuator, the intake camshaft sprocket bolt, the intake camshaft sprocket, the timing chain, the crankshaft sprocket, the cylinder head access hole plugs, the timing chain tensioner shoe bolt, the timing chain tensioner shoe, the timing chain tensioner guide bolts, the timing chain tensioner guide, the timing chain tensioner bolts, and the timing chain tensioner.