Lincoln Navigator: Automatic Transmission - 10-Speed Automatic Transmission – 10R80 / E Clutch. Description and Operation
Overview
| Item | Description |
| 1 | SSE |
| 2 | E clutch control valve |
| 3 | Clutch gain control valve |
| 4 | E clutch apply circuit |
| 5 | E clutch piston |
| 6 | E clutch assembly |
| 7 | Shell and sun gear No. 4 |
Ring gear No. 3 is mechanically connected to sun gear No. 4 and both are connected to the E clutch. When the E clutch applies, torque from the input shaft is transferred to ring gear No. 3 and sun gear No. 4.
E Clutch Exploded View
| Item | Description |
| 1 | Ring gear No. 3 |
| 2 | E clutch hub |
| 3 | E clutch pressure plate (select fit) |
| 4 | E clutch friction plates |
| 5 | E clutch steel plates |
| 6 | E clutch apply plate (2.9-3.0 mm) |
| 7 | E clutch piston return spring |
| 8 | E clutch piston |
| 9 | E clutch balance dam |
| 10 | Shell and sun gear No. 4 |
E Clutch Hydraulic Circuits
| Item | Description |
| 1 | Line pressure |
| 2 | Pump output |
| 3 | E clutch control valve |
| 4 | SSE |
| 5 | D clutch control valve |
| 6 | SSD |
| 7 | D clutch apply pressure to clutch gain control valve |
| 8 | Clutch gain control valve |
| 9 | LPC solenoid |
| 10 | LPC pressure |
| 11 | E clutch feedback pressure |
| 12 | Apply pressure to mechanical E clutch |
| 13 | Mechanical E clutch |
| 14 | E clutch apply pressure to clutch gain control valve |
| 15 | D clutch feedback pressure |
| 16 | Elevated exhaust pressure |
| 17 | Clutch exhaust |
E Clutch Hydraulic Operation 5th-6th Shift
Line pressure is supplied to the E clutch control valve. LPC pressure is supplied to the gain control valve. LPC pressure positions the gain control valve to the right end of the valve bore. As SSE turns on, it moves the E clutch control valve allowing regulated line pressure to flow to the mechanical E clutch.
E Clutch Hydraulic Operation 2nd-3rd, 4th-5th, and 9th-10th Shifts
Line pressure is supplied to the E clutch control valve. LPC pressure is supplied to the gain control valve. The LPC pressure is low and the gain control valve stays in the default position at the left end of the valve bore. As SSE turns on, it moves the D clutch control valve allowing regulated line pressure to flow to the mechanical E clutch.
E Clutch Hydraulic Passages
F Clutch. Description and Operation
Overview
Item
Description
1
SSF
2
F clutch control valve
3
F clutch latch valve
4
F clutch apply circuit
5
F clutch piston
6
F clutch assembly
7
Ring gear No...
Other information:
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Categories
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- 4th Gen Lincoln Navigator Service Manual (2018 - 2025)
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Diagnostic Methods. Description and Operation
This document provides critical diagnostic knowledge required for successful repair outcomes. It identifies technical competencies expected by users of this manual.
Ford Diagnostic Assumptions
Ford diagnostics assume the vehicle concern described by the test title is currently present. Exceptions to this rule are noted in each test. Do not replace modules or other components as directed by a diagnostic if the concern is not present at the time of testing.
