Case Cover Components Inspection Without Touch Activated Power
- Inspect the 3-4 accumulator piston (428)
for the following conditions:
• | A nicked piston seal groove |
- Inspect the 3-4 accumulator piston pin (426) for scoring and free
movement in the 3-4 accumulator piston bore.
- Inspect the 3-4 accumulator outer spring (423) and inner spring
(424) for distorted or broken coils.
- Inspect the 3-4 accumulator piston cylinder (421) for the following
conditions:
• | A rough or scored seal surface |
Important: Do not remove the blowoff valves unless the ball valves are damaged.
- Inspect the low blow off ball valve (420A), the low blow off ball valve
spring (406) and the low blow off ball valve bore plug (405).
- Inspect the TCC blow off ball valve (420B), the TCC blow off ball
valve spring (418) and the TCC blow off ball valve bore plug (417).
- Inspect the manual valve (404), the manual valve link (402) and
the manual valve clip (403) for damage.
- Inspect the manual valve (404) for binding or looseness in the
case cover assembly (401).
- Inspect the case cover bore plugs (411) and the orificed cup plug
(412). Correct the following conditions:
Important: Do not remove the drive shaft bearing (431) unless the bearing is damaged.
- Inspect the drive shaft bearing assembly (431).
- Inspect the axle oil seal assembly (409) for a missing garter
spring or for a cut lip seal.
- Inspect the case cover (401) for the following:
• | Interconnected fluid passages |
• | Cracks or rough machined surfaces |
- Inspect the input speed sensor assembly
(440) for the following conditions:
• | Damaged or missing magnet |
• | Bent or missing electrical terminals |
• | Damaged input speed sensor clip (441) |
Case Cover Components Inspection With Touch Activated Power
- Inspect the 3-4 accumulator piston (428)
for the following conditions:
• | A nicked piston seal groove |
- Inspect the 3-4 accumulator piston pin (426) for scoring and free
movement in the 3-4 accumulator piston bore.
- Inspect the 3-4 accumulator outer spring (423) and inner spring
(424) for distorted or broken coils.
- Inspect the 3-4 accumulator piston cylinder (421) for the following
conditions:
• | A rough or scored seal surface |
Important: Do not remove the blowoff valves unless the ball valves are damaged.
- Inspect the low regulator valve spring (422), the low regulator
valve (443), and the low regulator valve bore plug (444).
- Inspect the TCC blow off ball valve (420B), the TCC blow off ball
valve spring (418) and the TCC blow off ball valve bore plug (417).
- Inspect the manual valve (404), the manual valve link (402) and
the manual valve clip (403) for damage.
- Inspect the manual valve (404) for binding or looseness in the
case cover assembly (401).
- Inspect the case cover bore plugs (411) and the orificed cup plug
(412). Correct the following conditions:
Important: Do not remove the drive shaft bearing (431) unless the bearing is damaged.
- Inspect the drive shaft bearing assembly (431).
- Inspect the axle oil seal assembly (409) for a missing garter
spring or for a cut lip seal.
- Inspect the case cover (401) for the following:
• | Interconnected fluid passages |
• | Cracks or rough machined surfaces |
- Inspect the input speed sensor assembly
(440) for the following conditions:
• | Damaged or missing magnet |
• | Bent or missing electrical terminals |
• | Damaged input speed sensor clip (441) |
- Inspect the 3-4 accumulator piston (428) for the following conditions:
• | A nicked piston seal groove |
- Inspect the 3-4 accumulator piston pin (426) for scoring and free movement in the 3-4 accumulator piston bore.
- Inspect the 3-4 accumulator outer spring (423) and inner spring (424) for distorted or broken coils.
- Inspect the 3-4 accumulator piston cylinder (421) for the following conditions:
• | A rough or scored seal surface |
Important: Do not remove the blowoff valves unless the ball valves are damaged.
- Inspect the low blow off ball valve (420A), the low blow off ball valve spring (406) and the low blow off ball valve bore plug (405).
- Inspect the torque converter clutch (TCC) blow off ball valve (420B), the TCC blow off ball valve spring (418) and the TCC blow off ball valve bore plug (417).
- Inspect the manual valve (404), the manual valve link (402) and the manual valve clip (403) for damage.
- Inspect the manual valve (404) for binding or looseness in the case cover assembly (401).
- Inspect the case cover bore plugs (411) and the orificed cup plug (412). Correct the following conditions:
Important: Do not remove the drive shaft bearing (431) unless the bearing is damaged.
- Inspect the drive shaft bearing assembly (431).
- Inspect the axle oil seal assembly (409) for a missing garter spring or for a cut lip seal.
- Inspect the case cover (401) for the following:
• | Interconnected fluid passages |
• | Cracks or rough machined surfaces |
- Inspect the input speed sensor assembly (440) for the following conditions:
• | Damaged or missing magnet |
• | Bent or missing electrical terminals |
• | Damaged input speed sensor clip (441) |