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Home >> Porsche >> 1985 >> 944 Automatic >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Overhaul - 087, 087E & 089 >> Description

Overhaul - 087, 087E & 089: Description

Transaxle assembly consists of automatic transmission and final drive assembly. Transmission housing contains 2 planetary gear sets, 2 multiple-disc clutches, 1 brake band and servo, 1 multiple-disc brake, one-way clutch, and hydraulic control system.

Final drive housing contains torque converter, transmission governor, ring gear, and differential carrier with pinion and side gears.

Models with diesel engines are offered with E- Mode transaxles, which are used to improve fuel economy When selector lever is in. "E" position, transmission disengages from differential whenever accelerator pedal is released. In all other selector lever positions, transmission operates same as conventional model. Main modifications to E-Mode transaxle are in valve body and forward clutch.