GMC Yukon 5.3L Oil Pump Torque Spec : 18 ft-lbs Where the pickup tube bolts to the engine block you can tighten The pump the pickup tube can be installed and torqued down to the pump using 8 ft-lbs. The oil pump cover bolts torque down to 8 ft-lbs. The pumps cover bolts can be installed after lubing up the oil pump gear. The oil pump assembly should be tightened down to the engine block using 18 ft-lbs. The center of the oil pump should slide onto the crankshaftĪligning using the flat ends of the crank and pump inside. Install the oil pump onto front of the engine block right onto the crankshaft. After preparing the contact surfaces carefully Both surfaces should be cleaned and preped prior to installing. When installing the oil pump be sure to use the proper sealant around the pump base if neccessary to ensure that oil pressureĭoesn't drop due to leakage. GMC Yukon 5.3L Connecting Rod Torque Specs : 15 ft-lbs + 75° To ensure all pistons move smoothly in and out of their cylinders and nothing binds. Rod bolts to 15 ft-lbs and then an additional 75 degree turn for each bolt. Once installed you can match the connecting rod caps with the correct rods and start to torque the connecting Or mark is facing the front of the engine and that you don't scratch the cylinder. The piston can now be lowered into the cylinder, make sure the dot Once the rings have been installed you can now fit the connecting rod bearings into the end capsĪnd lube them up with oil or lithium grease. Each ring manufacturer is different so be sure to check for your The instructions given with the new rings. Positions, this can be determined by looking at Make sure to put the correct rings in the correct Not to stretch the rings or break them during installation. To install the pistons and connecting rods you must first install the piston rings into each piston. GMC Yukon 5.3L Main Cap Torque Specs (Side Bolts): 18 ft-lbs GMC Yukon 5.3L Main Cap Torque Specs (Outer Studs): 15 ft-lbs + 53° GMC Yukon 5.3L Main Cap Torque Specs (Inner Bolts): 15 ft-lbs + 80° Once finished you should be good to continue with the rest of the engine. These bolts will need to be torqued down to 18 ft-lbs. Which tighten into the bearing caps from the outside of the engine. The outer studs will need to be tightened down to 15 ft-lbs and then a 53 degree turn. The second time around you can go to 15 ft-lbs and then for the third time you do an additional 80 degree turn for each bolt. The first being 10 ft-lbs starting from the middle and going outwards. Once prepared you can place the caps onto the crankshaftĪnd begin tightening the bolts down in a multi stage process. The 5.3L engine block main bearing caps should be inspected for any defects or flaws before installation.īe sure to lubricate the bearing surfaces prior to installation. Intake Manifold and Fuel Rail Torque Spec 2016 GMC Yukon 5.3L Complete Torque Specs ListĬlick the area you are looking for! Timing Torque SpecsĬamshaft Retaining Plate Bolts Torque spec
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