Incorrect Line Pressure
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 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), or the
oil pump slide (2143) is worn or damaged (low pressure only) |
| • | 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
blowoff valve assembly (low pressure only)
|
| • | The low blowoff valve spring (323) is missing or is damaged |
| • | The low blowoff ball valve (324) is missing, binding, or is damaged |
| • | The low blowoff valve spring retainer (325) is missing or is damaged |
|
