During the initial period (the first year after your braces come off) you will wear it 24/7 for several months. Later, your orthodontist will tell you that it's OK to wear it only at night -- every night. After another year goes by, you can wear it several nights per week.
The Torque Converter can go bad, and many people mistake an engine miss, torque converter shudder, or an engine vacuum leak for a converter going bad. An out of adjustment brake light switch can also cause the torque converter to no lock up sometimes.A sticking valve within the transmission is the usual cause of an erratic lock up that will mimic a bad converter. Rule out the obvious before you assume its going bad, and/or have it rebuilt.n out of adjustment brake light switch can also cause the torque converter to no lock up sometimes. A sticking valve within the transmission is the usual cause of an erratic lock up that will mimic a bad converter. Rule out the obvious before you assume its going bad, and/or have it rebuilt.
Misfiring. Misfiring in the engine system can cause the catalytic converter to over heat. Alternatively, an exceptionally rich fuel mixture will exhibit similar symptoms. When there is a presence of an extra rich fuel mixture raw fuel enters the catalytic converter and is ignited.ssessing the cause of a failing catalytic converter can sometimes be traced back to an error in the fuel system. A distinctive sign of this is a restriction in the performance of the exhaust system. It is indicative of the melting of catalyst materials inside.