To pull the timing chain out, begin by having to remove the sump oil pan. Next, after undoing the spring that is situated in a hole of the cylinder block, you must pull the chain tensioner off a pivot. Remove the bolts of the oil pump drive sprocket retaining nut by turning the end of the oil pump drive shaft with a socket, likewise, take of the oil pump drive chain and sprockets from the oil pump drive shaft and crankshaft. Subsequently, remove the retaining bolts again to pull out the oil pump in the upper sump housing. For inspection, the entire assembly should be cleaned and the chain, sprockets, and the pump ought to be inspected for signs of wear; if any part shows signs of wear it is recommended that the quart set be replaced. Before re-fitting the oil pump ensure that you dip it in fresh engine oil and rotate it in a clockwise manner. To refit, locate the oil pump to the sump upper housing and lock the retaining bolts in place. Make sure the chain is positioned properly around the two sprockets and then reconnect the two to the oil pump drive shaft and crankshaft in as the set. Screw in the oil pump sprocket retaining nut and tighten. Next, you ought to fit the chain tensioner to the pivot on the cylinder block with correct positioning of the tensioner spring. At the end, fit the sump oil pan and the timing chain cover back in place.