GMC 15773627 Exhaust Muffler Assembly (W/ Exhaust Pipe & Tail Pipe)

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The exhaust manifolds, catalytic converters, muffler, resonators, the tailpipe and all connecting pipes, brackets, hangers and clamps are the components of the exhaust system. The mounting brackets and rubber hangers connect the exhaust system to the body. It is important to note that installation errors with any of these parts may cause excessive noise or vibration. In addition to this, regular checks should be conducted on it to ensure safety and silence. Inspect for damaged/bent parts, open seams/holes/loose connections/excessive corrosion or other defects which might permit exhaust fumes into the vehicle. Additionally, examine the pipe connections for leakage and hangers for wear and tear. Do not forget to inspect the catalytic converter when you are going by the exhaust system. In other words, decayed components of an exhaust should never be repaired but rather they need new ones. It will take welding equipment if these items have corroded together too much; in this case a muffler repair shop can remove corroded sections by means of a cutting torch as an easy way out. If you have ordinary tools at home you can save money by cutting with a hacksaw off those old components or better still use special pneumatic chisels if you have compressed air at hand. However, if you decide doing it alone so as to economize just cut off old parts with a hacksaw blade. Also use special pneumatic-cutting chisels if you have access to compressed air for doing this job yourself at home.Be careful as there is a danger of metal chips hitting your eyes so you'd better put on some protective goggles; besides it is also recommended wearing work gloves protecting your hands.Well then start taking out from rear end its car parts until reaching front end.Whenever dismounting the elements comprising systems' components it is important to put penetrating oil on all joints.The new gaskets should replace old ones, also it is necessary to install new hangers and clamps.Use anti-seize compound on the threads of all exhaust system fasteners during re-assembly. Besides, there should be enough space between those parts newly installed and all areas of the underbody that would protect the interior carpet and insulation from being damaged by overheated floor pan. Be especially concerned about the catalytic converter and heat shield. Every now and then, check the heat shield for cracks, dents or loose and missing nuts/bolts.It is important to inspect the converter for cracks or other damage.If a catalytic converter becomes bad it must be replaced immediately.

Ensure there is sufficient clearance between newly installed parts and all points on the underbody to avoid overheating the floor pan and potentially damaging the interior carpet and insulation.

Deteriorated exhaust system components should not be repaired; they should be replaced with new parts.

If the exhaust system components are extremely corroded or rusted together, welding equipment can be used to remove them. Alternatively, you can cut off the old components with a hacksaw or pneumatic cutting chisels.