With the sprockets tight you can move the sprockets The camshafts are held down to the cylinder head by camshaft bearing caps which should be tightened to 10 ft-lbs. The camshaft sprockets get tightened to 40 ft-lbs, while the tensioner and idler gets tightened toġ8 ft-lbs. Before installing the belt itself make sure all the components are tight. This belt system consists of a sprocket on both of the camshafts, a tensioner, an idle or guide pulley, andĪ sprocket on the crankshaft. On the Mazda 1.6 Zetec or DOHC engine the timing system is ran by the use of a belt. Mazda Protege 1.6L DOHC Cylinder Head Torque Specs : 15 ft-lbs + 30 ft-lbs + 60 ft-lbs Then you must again torque them toġ5 ft-lbs and then 30 ft-lbs and finally 60 ft-lbs by going through each bolt with each step.Īfter torquing the heads are completely installed and you can now move to intalling the timing. 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. Mazda Protege 1.6L DOHC Connecting Rod Torque Specs : 40 ft-lbs To ensure all pistons move smoothly in and out of their cylinders and nothing binds. Rod bolts to 25 ft-lbs and then 40 ft-lbs. 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. Intake Manifold and Fuel Rail Torque Spec Timing Belt Cover Torque spec (Upper/Lower)ġ5 ft-lbs | loosen | 15 ft-lbs + 30 ft-lbs + 90° It is important to note that these torque specifications are general guidelines and may vary based on the specific model year and engine configuration.2002 Mazda protege 1.6L Complete Torque Specs ListĬlick the area you are looking for! Timing Torque Specs Torque the connecting rod cap bolts in two stages in the following sequence:Stage 1: 30 Nm (22 lb-ft).The stretch should be between 0.15mm and 0.30mm. After the final torque of 90 degrees, check the bolt stretch with a torque angle gauge. ![]() Torque the main bearing cap bolts in three stages in the following sequence:Stage 1: 30 Nm (22 lb-ft).However, as a general guideline, here are the torque specifications for the main bearings and connecting rod bearings in this engine: The torque specifications for the main bearings and connecting rod bearings in a Ford WL/WLT 2.5L Turbo engine may vary depending on the specific model year and engine configuration.
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