Holding Clutches
Holding Clutches
1 Front planet carrier/rear annulus
2 2/4 clutch
3 Low/Reverse clutch
4 Rear planet carrier/front annulus
5 Rear sun gear
6 Front sun gear
Two hydraulically applied multi-disc clutches are used to hold the planetary geartrain components (1 and 4) stationary while the input clutches drive others. The 2/4 clutch (2) and the L/R clutches (3) are considered holding clutches and are contained at the rear of the transaxle case.
2/4 Clutch
The 2/4 clutch is hydraulically applied in second and fourth gears by pressurized fluid against the 2/4 clutch piston. When the 2/4 clutch is applied, the front sun gear assembly is held or grounded to the transaxle case.
Low/Reverse Clutch
The L/R clutch is hydraulically applied in park, reverse, neutral, and first gears by pressurized fluid against the L/R clutch piston. When the low/reverse clutch is applied, the front planet carrier/rear annulus assembly is held or grounded to the transaxle case.