SECTION 307-01: Automatic Transaxle/Transmission — 6R80
2014 Mustang Workshop Manual
DISASSEMBLY AND ASSEMBLY OF SUBASSEMBLIES
Procedure revision date: 01/07/2013

Pump Assembly


Special Tool(s)
Installer, Fluid Pump Seal
307-556

Material
Item Specification
Motorcraft® MERCON® LV Automatic Transmission Fluid
XT-10-QLVC (US); CXT-10-LV12 (Canada) 		MERCON® LV


Item Part Number Description
1 7A248 Front pump oil seal
2 — Pump body (part of 7A103)
3 7A248C Pump body seal
4 7A103 Pump plate assembly
5 7A248A Pump plate assembly seal
6 W707871-S300 Pump plate assembly-to-front pump body bolt (11 required)
7 7D019 Clutch support fluid seal
8 7L323 Front pump support seal

Disassembly

  1. Remove the front pump washer.
  1. If the O-ring seal was not removed during disassembly, remove and discard the front pump O-ring seal from the pump assembly.
  1. Remove and discard the front pump seal rings from the stator support.
  1. Index-mark the pump body to the pump plate assembly.
    1. Pump body
    1. Pump plate assembly
    1. Index mark
  1. Remove the 11 pump plate assembly-to-pump body bolts.
  1. Push down on the loose pump plate assembly-to-pump body bolts to remove the pump body from the pump plate assembly and remove the 11 bolts.
  1. Remove and discard the pump body outer seal.
  1. Remove the fluid pump gears.
  1. Inspect the inner and the outer pump gears for damage.
  1. Inspect the pump body and pump plate thrust surfaces for damage or scoring.
    1. Pump body
    1. Pump plate assembly
    1. Pump gear thrust surfaces
  1. Inspect the input shaft bushing for damage or scoring. If the bushing is damaged, install a new pump.
  1. Inspect the torque converter hub bushing for damage or scoring. If the bushing is damaged, install a new pump.

Assembly

  1. NOTE: Prior to installation, lightly lubricate the pump gears with clean automatic transmission fluid.

    Install the pump gears with the dot facing the pump plate assembly.
  1. Install a new pump body outer seal.
  1. Align the marks made during disassembly to correctly assemble the pump. Press the pump body into the pump plate assembly. Visually inspect the pump body-to-pump plate assembly bolt holes to be sure that the pump body and pump plate are correctly aligned.
    1. Pump body
    1. Pump plate assembly
    1. Pump gear thrust surfaces
  1. Install the pump plate assembly-to-front pump body bolts.

  1. NOTICE: Make sure that the seal ends of each seal ring are hooked together or fluid leakage can occur.

    Install the 2 front pump seal rings onto the stator support. Make sure the seals are fully seated in the stator support seal grooves and the seal ends are oriented 180 degrees apart.
  1. Install the pump outer diameter front pump O-ring seal.
  1. Install a new front pump seal on the Fluid Pump Seal Installer 307-556.
  1. Using the Fluid Pump Seal Installer 307-556, install the front pump seal.

  1. NOTE: Lightly lubricate the thrust washer with petroleum jelly to hold it in place during assembly.

    Install the pump thrust washer.