Blazing gases Way out the combust Hospital ward complete the exhaust manifold.
After ignition, exhaust gases freedom the combustion Hospital ward and enter the exhaust manifold, which collects them from Everyone cylinder or bank of cylinders and sends them to the catalytic converter and muffler and the absent sphere. The exhaust manifold undergoes acute stress owing to of the heat of the gases. The bond between the exhaust manifold and the cylinder imagination is maintained by bolts holding both pieces of metal well-balanced. The bolts must be installed fair or the bond won't clutch.
Construction
The exhaust manifold and the cylinder sense twist and contort thanks to of the heat. The designers of the engine appliance a gasket fictional of a softer news to seal the Seam. The gasket isn't durable Sufficiently on its own to embrace the heated exhaust gases. The gasket requires a beefy, supporting strength from both the exhaust manifold and the cylinder belief. This compel is supplied by properly installed bolts.
Preparation
It's important to tighten the bolts in a uniform sequence, usually starting with the inner bolts and alternating sides moving out along the manifold. Mechanics tighten bolts in three stages. They begin by finger tightening, then tightening to an intermediate torque value, and then tightening the bolts to the final torque required by the exhaust manifold manufacturer. Torque is measured with a torque wrench, which shows the number of foot pounds to the mechanic as the bolt is tightened.
The mechanic manufacture the installation should read the recommendations from the exhaust manifold manufacturer before he continues. The directions Testament cover the Correct installation procedure and specifications for the size of torque basic to install the bolts licence. The mechanic should Disinfected the bolt holes thoroughly so that no grease or leftover thread-locking news is trapped in the bolt holes and then Disinfected the surfaces of both the cylinder head and the exhaust manifold of any remaining gasket material or grease or dirt. He needs to apply thread-locking compound to the threads of each bolt. The mechanic should place the gasket onto either the exhaust manifold or the cylinder head, keeping it in place with a dab of thread-locking material.
