Hydraulic Pressure Test Diagnosis Table
WARNING: This page is about a different car, the 2005 Dodge Stratus and 2005 Chrysler Sebring. However, it is still accessible from the selected car via links, so may be relevant.
HYDRAULIC PRESSURE TEST DIAGNOSIS REFERENCE
| SYMPTOMS | PROBABLE CAUSE |
|---|---|
| All hydraulic pressures are high. | Malfunction of the regulator valve |
| All hydraulic pressures are low. | Malfunction of the oil pump |
| Clogged internal oil filter | |
| Clogged oil cooler | |
| Malfunction of the regulator valve | |
| Malfunction of the relief valve | |
| Incorrect valve body installation | |
| Improperly installed solenoid valves | |
| Damaged solenoid valve O-rings | |
| Hydraulic pressure is abnormal in reverse gear only. | Malfunction of the regulator valve |
| Clogged orifice | |
| Incorrect valve body installation | |
| Hydraulic pressure is abnormal in 3rd or 4th gear only. | Malfunction of the overdrive solenoid valve |
| Malfunction of the overdrive pressure control valve | |
| Malfunction of the regulator valve | |
| Malfunction of the switch valve | |
| Clogged orifice | |
| Incorrect valve body installation | |
| Only underdrive clutch hydraulic pressure is abnormal. | Malfunction of the oil seal K |
| Malfunction of the oil seal L | |
| Malfunction of the oil seal M | |
| Malfunction of the underdrive solenoid valve | |
| Malfunction of the underdrive pressure control valve | |
| Malfunction of the check ball | |
| Clogged orifice | |
| Incorrect valve body installation | |
| Only reverse clutch hydraulic pressure is abnormal. | Malfunction of the oil seal A |
| Malfunction of the oil seal B | |
| Malfunction of the oil seal C | |
| Clogged orifice | |
| Incorrect valve body installation | |
| Only overdrive clutch hydraulic pressure is abnormal. | Malfunction of the oil seal D |
| Malfunction of the oil seal E | |
| Malfunction of the oil seal F | |
| Malfunction of the overdrive solenoid valve | |
| Malfunction of the overdrive pressure control valve | |
| Malfunction of the check ball | |
| Clogged orifice | |
| Incorrect valve body installation | |
| Only low-reverse brake hydraulic pressure is abnormal. | Malfunction of the oil seal I |
| Malfunction of the oil seal J | |
| Malfunction of the low-reverse solenoid valve | |
| Malfunction of the low-reverse pressure control valve | |
| Malfunction of the switch valve | |
| Malfunction of the fail safe valve A | |
| Malfunction of all the check balls | |
| Clogged orifice | |
| Incorrect valve body installation | |
| Only second brake hydraulic pressure is abnormal. | Malfunction of the oil seal G |
| Malfunction of the oil seal H | |
| Malfunction of the oil seal O | |
| Malfunction of the second solenoid valve | |
| Malfunction of the second pressure control valve | |
| Malfunction of the fail safe valve B | |
| Clogged orifice | |
| Incorrect valve body installation | |
| Only torque converter pressure is abnormal. | Clogged oil cooler |
| Malfunction of the oil seal N | |
| Malfunction of the torque converter clutch solenoid | |
| Malfunction of the torque converter pressure control valve | |
| Clogged orifice | |
| Incorrect valve body installation | |
| Pressure applied to element which should not receive pressure. | Incorrect transaxle control cable adjustment |
| Malfunction of the manual valve | |
| Malfunction of the check ball | |
| Incorrect valve body installation |