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HARSH SHIFTS Harsh Shifts INACCURATE SHIFT POINTS Inaccurate Shift Points Checks Causes Throttle Position Sensor Open or shorted circuit Vehicle Speed Sensor (36) Open or shorted circuit Automatic Transmission Contamination Damaged seals Trans Fluid Temperature Open or shorted circuit Engine Coolant Open or shorted circuit Pressure Control Solenoid Damage to electrical terminals Contamination Checks Causes Oil Pump Assembly (4) Stuck pressure regulator valve Sticking pump slide Valve Body Assembly (60) Spacer plate or gaskets misassembled, damaged or incorrect Porous or damaged valve body pad 2-4 Servo Assembly 2-4 accumulator porosity Damaged servo piston seals Apply pin damaged or improper length 2-4 Band Assembly Burned Anchor pin not engaged Throttle Position Sensor Disconnected Damage Vehicle Speed Sensor (36) Disconnected
2007 Hummer H3 2007 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E/4L70-E - H3
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