Ford Escape: Automatic Transmission - Automatic Transmission – HF45 / Description and Operation - Final Drive
| Item |
Part Number |
Description |
| 1 |
7C0987C098 |
Traction motor drive gear assembly |
| 2 |
7H4717H471 |
Transfer shaft and gear assembly |
| 3 |
7F4657F465 |
Differential carrier and gear assembly |
| 4 |
7L4377L437 |
Ring gear assembly |
The
final drive gear is meshed with the transfer shaft and bolted to the
differential case. The ring gear bolts are one time use bolts. Use new
bolts when installing the ring gear.
The
differential allows the halfshafts and wheels to rotate at different
speeds during cornering. The differential assembly consists of the
following components:
Differential carrier
Two pinion gears
Two side gears
When
driving in a straight line, both front wheels rotate at relatively the
same speed...
Item
Part Number
Description
1
7L4377L437
Ring gear
2
7A3987A398
Planetary carrier
3
7A3487A348
Sun gear
This
transmission has one simple planetary gear set...
Other information:
Diagnostic Trouble Code (DTC) Chart
Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).
Diagnostic Trouble Code Chart
Module
DTC
Description
Action
BCM
B1A85..
Inspection and Verification
Verify the customer concern.
Visually inspect for obvious signs of mechanical damage.
Visual Inspection Chart
Mechanical
Power transfer unit
Halfshafts and CV joints
Driveshaft and U-joints
Wheel/tire size and brand
Matching tire size and brand
Tire pressure
If a..