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Excessive shock or engine revs up abnormally high on 5-6 upshift or 6-5 downshift
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Shift solenoid valve A defective |
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Shift solenoid valve B defective |
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A/T clutch pressure control solenoid valve A defective |
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A/T clutch pressure control solenoid valve B defective |
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A/T clutch pressure control solenoid valve C defective |
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Transmission fluid pressure switch E (6th clutch) defective |
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Foreign material in separator plate orifice |
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A/T clutch pressure control solenoid valve A accumulator defective |
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A/T clutch pressure control solenoid valve B accumulator defective |
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5th air check valve stuck |
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6th air check valve stuck |
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5th clutch defective |
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6th clutch defective |
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Clearance between clutch end-plate and top disc incorrect |
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Inspect the shift solenoid valves A and B function with the HDS. |
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Check for a seized shift solenoid valve, and inspect the O-rings. |
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Inspect A/T clutch pressure control solenoid valve A with the HDS. |
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Inspect A/T clutch pressure control solenoid valve B with the HDS. |
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Inspect A/T clutch pressure control solenoid valve C with the HDS. |
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Check for a clogged orifice in the separator plate. If the orifice is clogged, remove it and clean the separator plate orifice. |
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Check the A/T clutch pressure control solenoid valve A and B accumulator pistons, the O-rings, and the springs in the secondary valve body for wear and damage. |
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Check for a stuck 5th air check valve in the torque converter housing. |
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Check for a stuck 6th air check valve in the stator shaft support. | | 