Checks
| Cause
|
DEFINITION: Transmission main line
pressure that is determined to be high or low. Refer to
Line Pressure Check
.
|
Automatic Transmission Fluid Level - low pressure only
| Low fluid level
|
Thermo Element Assembly - low pressure only
|
• | The thermo element plate pins (120, 123) are misadjusted. |
• | The thermo element (121) or the thermo element plate (122) is
out of position, missing, or damaged -- causing low fluid level in
the oil pan. |
|
Oil Filter and Seal Assembly
|
• | The oil filter assembly (100) is missing or damaged. |
• | The oil filter seal assembly (101) is missing or damaged, low
pressure only. |
|
Wiring Harness Assembly
| The wiring harness assembly (224)
is disconnected or damaged.
|
Oil Pump Assembly
|
• | The following components are worn or damaged - low pressure
only: |
- | The oil pump cover (201) |
- | The oil pump body (202) |
- | The oil pump vane ring (209) |
- | The oil pump rotor (210) |
- | The oil pump vanes (211) |
- | The oil pump slide oil seal ring (212) |
- | The oil pump slide O-ring seal (213) |
- | The oil pump slide (214) |
• | The oil pump slide (214) is binding, high pressure only. |
• | The oil pump prime springs (222, 223) or the oil pump slide pivot
pin (215) is missing or damaged, low pressure only. |
• | The oil pump slide seal (220) or the oil pump slide seal support
(221) is missing or damaged, high pressure only. |
|
Pressure Control
Solenoid Valve Assembly
|
• | The pressure control solenoid valve assembly (322) is damaged. |
• | The solenoid valve O-ring seals (305, 316) are missing
or damaged. |
• | The valve retainer (314) is missing or damaged. |
|
Torque Signal Regulator Valve Assembly
|
• | The torque signal regulator valve (321) is binding or damaged. |
• | The valve retainer (314) is missing or damaged. |
|
Pressure Regulator Valve Assembly
|
• | The pressure regulator valve (313) is binding or is damaged. |
• | The pressure regulator valve springs (311, 312) is missing or
damaged. |
• | The reverse boost valve (310) is binding or is damaged, high pressure
only. |
• | The line boost valve (304) is binding or is damaged, high pressure
only. |
• | The valve retainer (302) is missing or is damaged. |
|
Actuator Feed Limit Valve Assembly - low pressure only
|
• | The actuator feed limit valve (414) is binding or is damaged. |
• | The actuator feed limit valve spring (415) is missing or is damaged. |
• | The actuator feed limit valve spring retainer (416) is missing
or damaged. |
|
Low Blow Off Valve Assembly - low pressure only
|
• | The low blow off valve spring (323) is missing or is damaged. |
• | The low blow off ball valve (324) is missing, binding, or is damaged. |
• | The low blow off valve spring retainer (325) is missing or is
damaged. |
|