We service all foreign and domestic transmissions in any configuration, (FWD, RWD, Rear Engine, Mid Engine and Traditional Front Engine). We use only top quality parts and fluids. It does not matter if your car is a 1959 T-Bird or a modern rear engine Porsche; at Beacon Hill Auto, we understand your cars transmission needs. Our specialists are highly trained in transmission repairs, transmission re-builds, and transmission replacement. They are standing by to make your car drive like new again.
Adjustments and In-Car Repairs
There are several problems that can be resolved with an adjustment (A simple adjustment is one that can be made without removing the transmission from the vehicle.) or minor repair. If a late model transmission (computer-controlled transmissions started becoming popular in the early ’90s) is not shifting properly, it is often the result of a computer sending incorrect signals due to a faulty sensor, or the transmission is not reacting to the computer command because of a bad connection or defective solenoid pack. These problems can be corrected while the transmission is in the car for considerably less money than a complete overhaul.
If a non computer-controlled transmission is shifting too early or too late, it may require an adjustment to the throttle cable. Since throttle cables rarely go out of adjustment on their own or due to wear and tear, these mis-adjustments are usually due to other repair work or damage from an accident. If the vehicle has a vacuum modulator instead of a throttle cable, there is an adjustment that can be made using an adjustment screw in some modulator designs. In vehicles with modulators, however, it is very important that there are no vacuum leaks and the engine is running at peak efficiency. Engine vacuum is very sensitive to how well the engine is running. In fact, many technicians use a vacuum gauge to diagnose performance problems and state-of-tune. Many problems that seem to be transmission problems disappear after a tune-up or engine performance related repair was completed.
In some older transmissions, bands can be adjusted to resolve “slipping” conditions. Slipping is when an engine races briefly when the transmission shifts from one gear to the next. There are no adjustments for clutch packs however.
A transmission is resealed in order to repair external transmission fluid leaks. If you see spots of red oil on the ground under the car, your transmission may be a candidate for a reseal job. In order to check a transmission for leaks, a technician will put the car on a lift and examine the unit for signs of oil leaks. If a leak is spotted at any of the external seals or gaskets and the transmission otherwise performs well, the technician will most likely recommend that the transmission be resealed.
Replace Accessible Parts
There are a number of parts that are accessible without requiring the removal of the complete transmission. Many of the control parts including most of the electrical parts are serviceable by simply removing the oil pan.
Transmission failure is occurring because the fluid becomes contaminated with the transmission friction material and fine metal, this friction and fine metal are getting trapped in the valve body where very close tolerances must be maintained but are compromised because friction material causes wear, additionally the fine metal is being drawn into the linear solenoids that are magnets during operation and are trapping the metal material in the very small moving components causing binding.