DRIVE GP-FAN 3750772 - Caterpillar

Problem: Transmission engages but the machine does not move.
PROBABLE CAUSE:1. Differential has broken parts and will not turn.2. Failure in final drives.3. Too many clutches are engaged in the transmission.4. Failure in the transmission.5. Parking brakes do not release.6. Rear drive shaft broken.Problem: Transmission does not operate in Reverse.
PROBABLE CAUSE:1. Low oil pressure to the torque converter.2. No. 7 clutch not engaged (slips) because of: a. Low oil pressure.b. Discs and plates have too much wear.c. Clutch has parts that are broken.3. Failure in the transmission neutralizer.Problem: Transmission does not operate in First, Second and Third speeds.
PROBABLE CAUSE:1. No. 6 clutch not engaged (slips) because of: a. Low oil pressure.b. Discs and plates have too much wear.c. Clutch has parts that are broken.Problem: Transmission does not operate in Fourth and Fifth speeds.
PROBABLE CAUSE:1. No. 5 clutch not engaged (slips) because of: a. Low oil pressure.b. Discs and plates have too much wear.c. Clutch has parts that are broken.Problem: Transmission does not operate in Sixth and Seventh speeds.
PROBABLE CAUSE:1. No. 4 clutch not engaged (slips) because of: a. Low oil pressure.b. Discs and plates have too much wear.c. Clutch has parts that are broken.Problem: Transmission does not operate in Second, Fourth and Sixth speeds.
PROBABLE CAUSE:1. No. 3 clutch not engaged (slips) because of: a. Low oil pressure.b. Discs and plates have too much wear.c. Clutch has parts that are broken.Problem: Transmission does not operate in Third, Fifth and Seventh speeds.
PROBABLE CAUSE:1. No. 2 clutch not engaged (slips) because of: a. Low oil pressure.b. Discs and plates have too much wear.c. Clutch has parts that are broken.Problem: Transmission does not operate in Reverse and First speeds.
PROBABLE CAUSE:1. Torque converter failure.2. No. 1 clutch not engaged (slips) because of: a. Low oil pressure.b. Discs and plates have too wear.c. Clutch has parts that are broken.Problem: Transmission makes shifts rapidly (hunts).
PROBABLE CAUSE:1. Operation of governor cut-off valve not correct.2. Bad friction between wheels and ground.3. Operation of shift governor not correct.4. Shift points out of adjustment.Problem: Transmission does not make a shift.
PROBABLE CAUSE:1. Low oil pressure.2. Shift points out of adjustment.3. Operation of governor cut-off valve not correct.4. Operation of hold valve not correct.5. Operation of shift governor not correct.6. Transmission controls held by detents, valve spools or linkage.7. Wiring harness or electrical switches have a defect.Problem: Transmission does not make a shift up or down.
PROBABLE CAUSE:1. Low oil pressure.2. Shift points out of adjustment.3. Operation of shift governor not correct.4. Operation of hold valve not correct.5. Control linkage broken or out of adjustment.6.