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CLUTCH AND BAND APPLICATION CHART SHIFT LEVER POSITION TRANSMISSION CLUTCHES AND BANDS OVERDRIVE CLUTCHES FRONT CLUTCH FRONT BAND REAR CLUTCH REAR BAND OVER- RUNNING CLUTCH OVER- DRIVE CLUTCH DIRECT CLUTCH OVER- RUNNING CLUTCH Reverse X X X Drive - First X X X X Drive - Second X X X X Drive - Third X X X X Drive - Fourth X X X Manual Second X X X X X Manual First X X X X X Note that the rear clutch is applied in all forward ranges (D, 2, 1). The transmission overrunning clutch Note that the overdrive clutch is applied only in fourth gear and the overdrive direct clutch and over- For example: If slippage occurs in first gear in D and 2 range but not in 1 range, the transmission Applying the same method of analysis, note that the front and rear clutches are applied simulta- If the transmission slips in fourth gear but not in third gear, the overdrive clutch is slipping. By select- If slippage occurs during the 3-4 shift or only in fourth gear, the overdrive clutch is slipping. Simi- If the transmission will not shift to fourth gear, the control switch, overdrive solenoid or related wiring This process of elimination can be used to identify a slipping unit and check operation. Proper use of Although road test analysis will help determine the slipping unit, the actual cause of a malfunction usu- Unless a malfunction is obvious, such as no drive in D range first gear, do not disassemble the trans- DIAGNOSIS AND TESTING - HYDRAULIC Hydraulic test pressures range from a low of one psi (6.895 kPa) governor pressure, to 300 psi (2068 An accurate tachometer and pressure test gauges are required. Test Gauge C-3292 has a 100 psi range WG AUTOMATIC - 44RE 21s - 47 AUTOMATIC - 44RE (Continued) 2001 JEEP GRAND CHEROKEE |