Engagement Concern: No Forward And No Reverse

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ENGAGEMENT CONCERN: NO FORWARD AND NO REVERSE

Possible Component	Reference/Action
207 - ELECTRICAL ROUTINE
No Electrical Concerns	-
307 - HYDRAULIC/MECHANICAL ROUTINE
Fluid	-
Incorrect level	Fill to correct level.
External Shift Linkages	-
Damaged, out of adjustment or misassembled	Inspect and repair as necessary. Verify linkage adjustment. Refer to AUTOMATIC TRANSAXLE-TRANSMISSION EXTERNAL CONTROLS - CD4E . After repairing linkage, verify that the transmission range (TR) sensor is correctly adjusted.
Incorrect Pressures	-
Low or no line pressure	Check pressure at line tap. Carry out Line Pressure and Stall Speed Tests. Refer to SPECIAL TESTING PROCEDURES . If pressure is low, check the following possible components: fluid filter and seal assembly, main controls, pump assembly. If OK, proceed to turbine shaft.
Internal Shift Linkages	-
Damaged, disconnected	Inspect and service as required. If servicing the linkage, verify that the TR sensor is correctly adjusted. Refer to TRANSMISSION RANGE (TR) SENSOR .
Pump Assembly	-
Bolts out of torque specification	Adjust bolts to specification.
Gasket damaged, missing	Inspect for damage. Install new as necessary.
Porosity/cross leaks/passage(s) blocked	Inspect for porosity, leaks, blockage. Install new pump assembly as necessary.
Pump support seal ring missing	Inspect for damage. Repair as necessary.
Pump shaft broken, damaged	Inspect for damage. Repair as necessary.
Fluid Filter and Seal Assembly	-
Filter/seal damaged, plugged, or missing	Install new filter and seal assembly.
Recirculating seal damaged or out of position	Install new recirculating seal.
Main Controls	-
Bolts out of torque specification	Adjust bolts to specification.
Gaskets damaged	Inspect for damage. Install new as necessary.
Pressure plate/gasket damaged or missing	Inspect for damage. Repair as necessary.
Main regulator valve, manual valve stuck, damaged, plugged, missing, link not connected	Inspect for damage. Repair as necessary.
Flexplate (Starter Gear)	-
Damaged, broken	Inspect for damage. Repair as necessary.
Torque Converter Assembly	-
Pump drive shaft insert damaged	Inspect for damage. Repair as necessary.
Studs broken or damaged Splines damaged Internal blades damaged, broken	Inspect torque converter. If damaged, install new.
Turbine Shaft to Forward/Coast/Direct Clutch Cylinder Housing	-
Splines damaged	Inspect for damage. Repair as necessary.
Chain and Sprocket Assembly	-
Broken, damaged	Inspect for damage. Repair as necessary.
Park Mechanism	-
Parking pawl return spring damaged, missing misassembled	Inspect for damage. Repair as necessary.
Front Wheel Drive Shafts and Joints	-
Broken or splines damaged	Inspect for damage. Repair as necessary.
Final Drive and Differential Assembly	-
Splines damaged	Inspect for damage. Repair as necessary.
Gearset damaged	Inspect for damage. Repair as necessary.
Planetary Gearset	-
Gear teeth, carriers, splines damaged or broken	Inspect for damage. Repair as necessary.