Fluid spill on the exhaust systemĭid you recently top up the coolant or any other fluid in your Trax? You or the mechanic may have spilled some fluid that may have landed on the exhaust pipe. Inspect the exhaust system for any burnt residue, you may have to lift the vehicle to have a proper look at the exhaust pipe.Īlso observe the level of the coolant, if it goes down too often, there could be a leak. Sometimes coolant leaking from a loose radiator cap can find its way to the exhaust system and burn off. Lift the hood of your Trax and inspect all the relevant components for signs of fluid leakage, including the radiator. Therefore you must act urgently and fix any coolant leaks in your vehicle. If inhaled excessively, ethylene glycol increases risk of breathing difficulties, heart problems, kidney failure, brain damage and death. The sweet smell is coming from the ethylene glycol, a toxic chemical. If your Trax has sweet burning smell resembling maple syrup, it indicates a leaking antifreeze. Any leaking fluid that drips onto the exhaust system or hot parts of the engine will burn off and produce burning smell. Coolant or other fluid leakĬhevy Trax needs multiple type of fluids like coolant and brake fluid that are vital for the normal operation of the vehicle. In this case the oil should completely burn off after driving for a few hundred miles and the burning smell will disappear, or you can try cleaning it with some engine cleaner/degreaser and hose it down. Oil spill on exhaust pipeĭid you recently get the engine oil changed in your Trax? The mechanic may have spilled some oil while pouring it into the engine that may have landed on the exhaust pipe, or there may be residual oil on the exhaust pipe from removing the oil filter. Also check oil filter, front crankshaft and oil pan for any leaks.
Start by examining the valve cover, as an engine oil leak is commonly caused by a bad valve cover gasket. Pop the hood of your Trax and investigate for any sign of oil leakage. In rare cases, you may also see smoke rising from the engine compartment. Any oil leaking onto the exhaust pipe or manifold will vaporize when it gets hot under operation, causing unpleasant odor. The surface temperature of exhaust pipe or manifold can cross 800 degrees Fahrenheit (426 ☌) under normal driving behavior.
An engine oil leak can cause burning smell in Chevy Trax, particularly when oil drips onto the exhaust system.
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