The Volvo AW50-42LE transmission is a 4-speed overdrive electronically controlled
automatic transaxle. It is manufactured by Aisian /Warner Transmission Company. The Transaxle consists of lock-up torque converter, oil pump, 3 planetary gear sets, clutch and brake units, accumulator
pistons, valve body and 4 electronic valve body solenoids.
Based on the philosophy of “Quality First,” the Aisin Warner Group offers a wide lineup of products covering almost every automobile-related field, including transmissions, body, brake & chassis, engine and information related products.
Valve body with solenoids and Transaxle Control Module (TCM) are used for controlling transaxle operation. Solenoids are controlled by the TCM.
TCM receives input signals from various inputs and sensors to determine transaxle shift points and torque converter lock-up. Components consist of mode selector switch, throttle position sensor, engine speed (RPM) sensor, vehicle speed sensor, gear position sensor, transaxle oil temperature sensor, brake switch and kickdown switch.
The transaxle is equipped with a mode selector switch. Switch is used for normal, high performance and winter driving conditions. Transaxle is also equipped with a shift lock and key interlock system.
Shift lock system prevents shift lever from being moved from Park position unless brake pedal is applied. In case of malfunction, shift lever can be released by depressing shift lock override button, located near shift lever.
It is easy to see how complicated and integrated the transmission is connected with the entire cars electrical system. Considering the difficulty to install a replacement transmission in a Volvo, buying a good used transmission is of the utmost importance. The used transmissions sold by GotTransmissions.com are put through a rigorous pre-testing procedure that insures you are purchasing a used transmission that works properly.
Call GotTransmissions.com @ 1-888-344-8044.