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:
Check
NOTE:
The object used in this system check can be
fabricated using a 9 cm diameter (3 in I.D.) pipe, 100 cm (39 in) in
length (available as Polyvinyl Chloride (PVC) pipe, or similar from a
hardware or plumbing supply.
NOTE:
The following system check should be carried out with the vehicle on a level surface...
Disconnect
NOTE:
When the battery is disconnected and connected, some
abnormal drive symptoms may occur while the vehicle relearns its
adaptive strategy. The vehicle may need to be driven to allow the PCM to
relearn the adaptive strategy values...