ZF 8HP 8 Speed Automatic Transmission 

See inside the incredible ZF 8-Speed Transmission
TIMELINE:
0:00 Introduction
1:20 The parts and powerflow dilemma
3:00 The input shaft
3:15 The arrangement of the four planetary gear sets
4:30 The remote mounted oil pump and front cover
5:20 The stator support shaft and the function of the "A" Brake clutch
6:00 The "A" clutch hub
6:15 The Simpson P1, P2 sun gear
6:48 The P1 Annulus gear
7:08 The function of the "B" Brake clutch
7:22 The P1 planet carrier
8:48 The input shaft and the P2 carrier
12:02 The P2 annulus gear and P3 sun gear
12:18 The P3 planet carrier
12:36 the P3 annulus gear
13:48 The "E" clutch hub
14:10 the "C" clutch hub
15:15 The P4 sun gear to P3 annulus gear shell
17:00 The "D" clutch to P3 planet carrier shell and precautions to avoid damage
19:19 The P4 planet carrier and output shaft
20:16 The P4 annulus gear
20:24 The P4 annulus to P1 carrier shell
22:05 The parking gear
22:50 The transmission case and the "B" Brake clutch
23:30 Transmission identification
23:50 the oil fill and oil level checking plug
24:00 the oil pan and built-in filter
24:18 oil level checking instructions
25:10 The valve body
25:55 Summary
ABOUT US:
Weber State University (WSU) - Automotive Technology Department - Transmission Lab. This episode demonstrates the components and operation of the ZF 8HP 8-speed automatic transmission used in select Chrysler, Jeep, Dodge, HellCat, and other brands of vehicles.
This transmission uses 4 planetary gear sets, 3 clutches, and 2 brake clutches.
www.weber.edu/automotive
This video was created and edited by Professor John D. Kelly at WSU. For a full biography, see www.weber.edu/automotive/J_Kel...
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