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Harsh - Rough More noticeable clutch apply than Firm - considered unacceptable at any throttle position Hunting A repeating quick series of upshifts and downshifts that cause a noticeable change in engine Initial Feel A distinctly firmer feel at the start of a shift than at the finish of a shift Late A shift that occurs at a higher speed than normal for a given throttle position Shudder Multiple, rapid jerks usually associated with an oncoming clutch Slipping A noticeable increase in engine speed without an increase in vehicle speed - usually Soft A slow, almost unnoticeable, clutch apply Surge A repeating engine-related condition of acceleration and deceleration that is less intense Tie-up A condition where 2 opposing clutches, usually 1 oncoming and 1 offgoing, are applied at Noise Conditions
2008 Chevrolet Silverado 1500 2008 TRANSMISSION Automatic Transmission - Allison - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Planetary Gear Noise A whine related to engine speed and noticeable in a particular transmission range - may be Pump Noise A high pitched whine that increases in intensity with increasing engine speed - may occur in Torque Converter Noise A whine usually noticed when the vehicle is stopped and the transmission is in D, DRIVE, Thermostatic Fan Noise A normal noise that occurs while climbing a grade under load, caused by the Transmission Abbreviations AC Alternating Current DC Direct Current DLC Diagnostic Link Connector DMM Digital Multimeter DTC Diagnostic Trouble Code
2008 Chevrolet Silverado 1500 2008 TRANSMISSION Automatic Transmission - Allison - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
ECM Engine Control Module ECT Engine Coolant Temperature EMI Electromagnetic Interference IGN Ignition IMS Internal Mode Switch MIL Malfunction Indicator Lamp NC Normally Closed NO Normally Open OBD On Board Diagnostic PCS Pressure Control Solenoid PS
2008 Chevrolet Silverado 1500 2008 TRANSMISSION Automatic Transmission - Allison - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Pressure Switch PTO Power Take-Off RPM Revolutions Per Minute SS Shift Solenoid TCC Torque Converter Clutch TCM Transmission Control Module TFT Transmission Fluid Temperature TP Throttle Position TPS Throttle Position Sensor VBS Variable Bleed Solenoid WOT Wide-Open Throttle
2008 Chevrolet Silverado 1500 2008 TRANSMISSION Automatic Transmission - Allison - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
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