What is a three-way catalytic converter? A three-way catalytic converter is the most important external purification device installed in a car's exhaust system, which can remove CO from the car's exhaust Harmful gases such as HC and NOx are converted into harmless carbon dioxide, water, and nitrogen through oxidation and reduction reactions. Simply put, they purify the exhaust gas. The working principle of a three-way catalytic converter is as follows: 1. When the engine exhaust gas is discharged through the exhaust pipe, due to the catalytic effect of the purifying agent in the three-way catalytic converter, the activity of C0, HC, and NOx is enhanced, leading to oxidation and reduction reactions. 2. C0 is oxidized to colorless and non-toxic C02 at high temperatures, HC compounds are oxidized to H20 and C02 at high temperatures, while NOx is reduced to N2 (nitrogen) and 02 (oxygen), thereby purifying the engine's exhaust emissions)
Method for installing a three-way catalytic converter: ① Use 8 bolts to install 2 heat shields on the new preheated three-way catalytic converter. ② Install the new gasket, protective ring, and sealing gasket onto the preheated three-way catalytic converter. ③ Use 3 bolts and 2 new nuts to install the preheated three-way catalytic converter with a tightening torque of 29N. m. ④ Use bolts and nuts to install the exhaust manifold bracket with a tightening torque of 42N. m. ⑤ Use bolts and nuts to install the No.1 exhaust manifold bracket with a tightening torque of 42N. m. ⑥ Connect the secondary oxygen sensor connector
In 2017, the new compact SUV, BAIC Changhe Q7, under the BAIC Changhe brand, was officially unveiled. The new car has a rugged and square design, and is available in a 5-seater/7-seater version. It is reported that the new car will be officially put into production within the year. The body side of the BAIC Changhe Q7 adopts a suspended roof, and the A/B/C/D pillars are all painted in black, which has an excellent visual effect. The tail adopts a left and right through type tail light design, which is highly recognizable when lit. In terms of size, The new car has a length, width, and height of 4655/1855/1720mm, and a wheelbase of 2670mm. The BAIC Changhe Q7 is equipped with a large-sized LCD display screen and vertical air conditioning vents. At the same time, the new car is equipped with a leather multifunctional steering wheel, front seat ventilation/heating, reverse radar, one click start, and other configurations. In addition, the new car will offer two layout forms for consumers to choose from: 5 seats and 7 seats
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