If your car has an optional overdrive, the best advice is to leave it on in almost every circumstance. It reduces the RPMs required to drive at higher speeds and lessens the strain on the transmission.
Basically, catalytic converters fail for two reasons. Either this is caused by a leak due to the presence of rust and/or corrosion or internal plugging (caused by excessive carbon buildup or a collapsed baffle or catalyst).
If your engine is idling at a faster rate than normal, do not shift out of Park until it revs down; in addition, do not shift from Reverse to Drive, or into Park from Reverse or Drive while the car is still in motion to prevent transmission damage.
The first line of defense in caring for the transmission in your car or truck is the owner’s manual. Make sure you are aware of all maintenance milestones, and make an appointment with us to have the work performed.
In the US, we call it a transmission, but in Europe they're known as gearboxes. If you want to be technically correct, the transmission is the whole assembly, while the gearbox is just a single component of the transmission. Whatever you call it, a transmission expert can help fix it.
Some of the parts of a car we take for granted have not always been in cars. For example, the gas gauge didn't arrive until 1929. Buick introduced the turning signal in 1938, more than three decades after the first cars hit the road.
