Engagement Concern: No Forward And No Reverse

ENGAGEMENT CONCERN: NO FORWARD AND NO REVERSE

Possible Component	Reference/Action
207 - ELECTRICAL ROUTINE
No Electrical Concerns
307 - HYDRAULIC/MECHANICAL ROUTINE
Fluid
Incorrect level - low	Adjust the fluid to the correct level.
Halfshaft
Splines - worn, damaged Shaft - misassembled, incorrect	Inspect for damage. Install a new as required.
Shift Linkage (Internal/External)
Damaged, out of adjustment, misassembled	Inspect for damage. Repair as required. Verify linkage adjustment. Refer to AUTOMATIC TRANSAXLE/TRANSMISSION EXTERNAL CONTROLS . After adjusting the linkage, verify that the digital TR sensor is correctly adjusted; refer to DIGITAL TRANSMISSION RANGE (TR) SENSOR in this article.
Incorrect Pressures
Line Pressure, EPC Pressure - low	Carry out Line Pressure Tests. Refer to SPECIAL TESTING PROCEDURES in this article. Check pressure at line and EPC taps. See LINE PRESSURE CHART for specification. If pressures are low, refer to LINE PRESSURE DIAGNOSIS CHART .
Fluid Filter and Seal Assembly
Plugged, damaged	Install a new filter and seal assembly.
Main Controls
Bolts out of torque specification	Tighten bolts to specification.
Gaskets and Separator Plate - damaged, off location	Inspect for damage. Install new as required.
Pump Shaft - broken	Inspect. Repair/install new as required.
Forward Clutch Control Valve, Manual Valve, Springs - stuck, damaged	Inspect for damage. Repair as required.
Main Regulator Valve (only if line pressure is out of specification) - damaged	Inspect for damage. Repair as required.
Components - damaged	Inspect for damage. Install a new as required.
Pump Assembly
Bolts out of torque specification	Tighten bolts to specification.
Gaskets - damaged, off location	Inspect for damage. Install new as required.
Porosity/cross leaks - leaking, plugged hole	Replace pump assembly.
Components damaged	Inspect for damage. Install new as required.
Support Assembly - Driven Sprocket
Bolts out of torque specification	Tighten bolts to specification.
Seals - missing or damaged	Inspect seals. Install new as required
Seal Grooves - damaged	Inspect for damage. Install a new as required.
Forward Clutch Assembly
Seals, Piston and Seal Assembly	Carry out Air Pressure Tests. Refer to SPECIAL TESTING PROCEDURES in this article.
Check Balls	Inspect for mislocation, poor seating and damage. Install a new cylinder as required.
Piston - cracked	Inspect piston. Install new as required.
Friction Elements - worn, damaged	Check for abnormal wear, damage. Install new as required.
Retaining Ring - missing	Inspect for ring/damage. Install a new as required.
Low One-Way Clutch Assembly
Worn, damaged, misassembled	Inspect for damage. Repair as required.
Output Shaft
Splines - damaged	Inspect for damage. Install a new as required.
Other Possible Components
Turbine Shafts	Inspect for damage. Install a new as required.
Chain	Inspect for damage. Install a new as required.
Flexplate	Inspect for damage. Install a new as required.
Sprockets	Inspect for damage. Install a new as required.
Front Sun Gear and Shell Assembly	Inspect for damage. Install a new as required.
Front or Rear Planetaries	Inspect for damage. Install a new as required.
Rear Sun Drum and Race Assembly	Inspect for damage. Install a new as required.
Final Drive Assembly	Inspect for damage. Install a new as required.
Pump Shaft Assembly	Inspect for damage. Install a new as required.