![]() On the Mazda 2.0 DOHC engine the timing system is ran by the use of a chain. After torquing the heads are completely installed and you can now move to intalling the timing.ĬX-5 2.0L Cylinder Head Torque Specs : 33 ft-lbs + 90° + 90° And then an additional 90 degrees the same Then you must again torque them toġ5 ft-lbs and then 33 ft-lbs and then add 90 degrees by going through each bolt with each step. Then requires you to back them off a full turn. Head bolts have a multi-step process for torqueing. Once all the head bolts have been installed and finger tightened you can start the torqueing process, almost all Sure to lubricate the bolts in clean engine oil before installing them into the head. Use TTY or Torque to Yield head bolts meaning they stretch during torqueing and cannot be used twice. Be sure to buy new head bolts as many manufacturers Installing the head bolts to make sure it doesn't move. ![]() The gasket and block, if needed have someone assist with this process as the head can be heavyĪnd you don't want to scratch anything or drop it! Once the head has been placed you will want to start With the gasket in place you can set the cylinder head onto Something I usually do is spray down the head gasket with some engine copper spray from permatex which you canįind here, this ensures that any gaps that could be present between the 2 surfaces gets filled with theĪlso helps to transfer heat between the 2 metals. Once everything is ready youĬan install the head gasket onto the engine block by aligning the alignment dowels. Locations, typically this means putting the #1 piston to TDC or Top Dead Center. Much the same you have to set the pistons to their correct To set the camshafts to their correct positions to prevent any valves from hitting pistons during installationĪnd torquing of the head bolts. The first thing you must do when installing cylinder heads is to ensure both the block and head surfaces areĬompletely clean from dust, oil, and any debris. The balance shaft gear gets tightened down onto the shaft using 30 ft-lbs.ĬX-5 2.0L Oil Pump Torque Specs : 17 ft-lbsĬX-5 2.0L Oil Pump Drive Gear Torque Spec : 20 ft-lbsĬX-5 2.0L Oil Pickup Tube Torque Specs : 8 ft-lbsĬX-5 2.0L Balancer Shaft Gear Torque Spec : 30 ft-lbs Also included on this chain system is a balancer shaft. ![]() The drive gear for the pump gets tightened down toĢ0 ft-lbs. Oil pump is a drive gear that connects to the engine crankshaft gear to drive the oil pump. However if it has been removed torque the bolts to 8 ft-lbs. Removal as it is not that obstructive on this particular engine. The oil pump pickup tube is typically left on the oil pump during installation and Installed tighten the bolts and torque them to 17 ft-lbs. Install the oil pump onto the engine block by aligning the bolt holes on the bottom of the engine with the pump holes. After preparing the contact surfaces carefully 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. To ensure all pistons move smoothly in and out of their cylinders and nothing binds.ĬX-5 2.0L Connecting Rod Torque Specs : 21 ft-lbs + 90° Rod bolts to 21 ft-lbs and then an additional 90 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. ![]()
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