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Exhaust & Mufflers

The exhaust system is a crucial component in any automobile. Hot combustion products from the engine are removed via the exhaust system. A system in perfect working order provides an unobstructed flow of exhaust from the engine, which helps maintain peak performance. An exhaust system that is not in peak working order can impeded performance and lead to mechanical failures. It is wise to get an exhaust system checked out routinely. This will help ensure that the system is running at its peak capabilities.

There are several common things that can go wrong with an exhaust system. For example, backpressure can develop in the catalytic converter. This can impede the flow of exhaust and cause the engine to overheat. Left ignored, an overheated engine can become severely damaged. By inspecting the catalytic converter for backpressure, a car owner can help prevent costly engine maintenance down the road.

The exhaust system also handles the treatment of toxic combustion byproducts. The catalytic converter converts these toxic byproducts through a chemical reaction. This helps keep the air clean.

Exhaust system and its function

Exhausts have four main functions: to control noise, to direct exhaust fumes away from passengers, to improve the performance of the engine and to improve fuel consumption. An exhaust is a series of pipes that links the engine to a silencer and a catalytic converter.

Your exhaust emissions system is the only means of channeling away those noxious fumes, like the environmentally destructive gas carbon monoxide, generated by your engine. An exhaust that has failed can lead to noxious fumes being drawn into the vehicle cabin and prolonged exposure to exhaust fumes can make a vehicle occupant feel drowsy, which could lead to an even greater danger.

A healthy exhaust system is critical if you are to maintain the health and welfare of the vehicle occupants, a quiet smooth running engine and optimum fuel efficiency. If you have any concerns regarding the health of your vehicles exhaust system then call in to our service centre for a free safety check.

Identifying Exhaust or Muffler problems

If you notice any of the following you should have your exhaust checked by a National expert to find out whether any components need replacing;

  • Rattling – a rattling noise may indicate loose brackets holding the system in place
  • Roaring – a roaring noise could be a potential problem with the silencer
  • Hissing or popping – this could be a sign that the muffler or one of the pipes is leaking

Different types of Exhaust smoke

Blue smoke – this could indicate a fault in the engine which is putting burnt oil into the exhaust system and resulting in blue smoke

White smoke – white smoke when first started is normal. If it continues, this could be due to an internal coolant leak and the white smoke is the result of burning antifreeze. If there are no water leaks underneath your car it could be a leaking head gasket or a crack in the engine.


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Telephone: 02 8068 1990
Fax : 02 8068 8258
Address : 1 Wellington Street Rozelle, NSW 2039
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