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4. Remove the inner and outer pump gerotor gears.
5. Carefully pry spring retainer tabs and remove the spring retainer assembly.
6. Remove the intermediate clutch piston.
7. Remove the clutch piston seals.
1. Remove the intermediate clutch piston outer seal.
2. Remove the intermediate clutch piston inner seal.
8. Remove and discard the front pump seal. Klj . 3 ba
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Assembly
1. Using the special tool, install the front pump seal assembly.
2. Install the clutch piston seals. 1. Install the intermediate clutch piston outer seal.
2. Install the intermediate clutch piston inner seal.
3. NOTE: Coat the intermediate clutch piston outer seal, inner seal and pump body with petroleum
jelly.
Install the intermediate clutch piston into the special tool. Klj . 4 ba
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4. Using the special tool, install the intermediate clutch piston.
1. Position the intermediate clutch piston and the special tool onto the pump body.
2. Push the intermediate clutch piston to the bottom of the pump body bore, exerting even pressure and remove the special tool.
5. CAUTION: The piston bleed hole must be located at 12 o'clock position (towards
the top of the transmission). Shift problems may occur if installed incorrectly.
NOTE: The piston bleed hole is the only round hole in the pump body.
Locate the piston bleed hole.
6. Install by snapping the spring retainer assembly on pump body. Klj . 5 ba
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7.
NOTE: The flats on the inner fluid pump gear have steps that must face the pump body or
damage will result.
Install the inner and outer fluid pump gerotor gears.
8. NOTE: The reverse clutch cylinder seal rings are larger than the forward clutch cylinder seals.
Install the seal rings.
9. Install a new front pump seal. Klj . 6 ba
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10. Assemble the front pump.
1. Position the pump support to the pump body assembly.
2. Install the bolts. Klj . 7 ba
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DISASSEMBLY AND ASSEMBLY OF SUBASSEMBLIES
Intermediate One-
Way Clutch
Intermediate Clutch Cylinder Disassembled View
Disassembly 1. NOTE: One tab that locks the reverse clutch drum into the reverse sun shell may be removed.
This is done for balancing purposes.
Remove the intermediate one- way clutch.
1. Remove the snap ring.
2. Remove the intermediate one- way clutch.
Assembly 1. NOTE: The intermediate one- way clutch must rotate counterclockwise when installed on the
reverse clutch drum and will make a ratchet sound.
Install the intermediate one- way clutch.
1. Install the intermediate one- way clutch.
2. Install the snap ring.
SECTION 307-
01: Automatic Transaxle/Transmission 2003 Mustang Workshop Manual Item Part Number Description
1 391267-
S Retaining ring
2 7A089 Intermediate one-
way clutch assembly 3 7D044 Reverse clutch drum Klj . 1 ba
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Klj . 2 ba
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DISASSEMBLY AND ASSEMBLY OF SUBASSEMBLIES
Reverse Clutch
Reverse Clutch Disassembled View SECTION 307-
01: Automatic Transaxle/Transmission 2003 Mustang Workshop Manual Special Tool(s)
Dial Indicator Gauge with
Holding Fixture
100-
002 (TOOL- 4201-C) Compressor, Clutch Spring
307-
015 (T65L-77515- A) Protector, Transmission
Reverse Clutch Outer Fluid
Seal
307-
424 Protector, Transmission
Reverse Clutch Inner Fluid
Seal
307-
425 Compressor, Clutch Spring
307-
086 (T80L-77405- A)
Material Item Specification
MERCON® V Automatic
Transmission Fluid
XT
-5-QM, XT -5-DM MERCON® V Klj . 1 ba
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