Diagnostic Routine 207/307 - Engagement Concern: No Forward And No Reverse

WARNING: This page is about a different car, the 2004 Mercury Monterey and 2004 Ford Freestar. However, it is still accessible from the selected car via links, so may be relevant.

ENGAGEMENT CONCERN: NO FORWARD AND NO REVERSE

Possible Component	Reference/Action
207 - ELECTRICAL ROUTINE
No Electrical Concerns
307 - HYDRAULIC/MECHANICAL ROUTINE
Fluid
Incorrect fluid level (low)	Adjust fluid to correct level.
Halfshaft
Splines - worn, damaged	Inspect for damage. Repair as required.
Shaft - misassembled, incorrect	Inspect for damage. Repair as required.
Shift Linkage (Internal/External)
Damaged, out of adjustment, misassembled	Inspect. Repair as required. Verify linkage adjustment. Refer to SELECTOR LEVER CABLE ADJUSTMENT . After adjusting linkage, verify that the digital TR sensor is correctly adjusted. Refer to TRANSMISSION RANGE (TR) SENSOR ADJUSTMENT .
Incorrect Pressures
	Carry out Line Pressure and Stall Tests.
Low line pressure, low EPC pressure	Check pressure at line pressure and EPC taps. See the LINE PRESSURE CHART . If pressures are low, check the following possible components: Fluid Filter and Seal Assembly, Main Control, Pump Assembly, Reverse Clutch Assembly, Forward Clutch Assembly.
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 a new as required.
Pump Shaft - broken	Inspect. Install a 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. Repair 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	Install a new 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. Repair as required.
Forward Clutch Assembly
Seals, Piston and Seal Assembly	Carry out Air Pressure Tests. Refer to SPECIAL TESTING PROCEDURES .
Check Balls	Inspect for mislocation, poor seating and damage. Install 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. Repair as required.
Low One-Way Clutch Assembly
Worn, damaged, misassembled	Inspect for damage. Repair as required.
Output Shaft
Splines - damaged	Inspect for damage. Repair as required.
Other Possible Components
Turbine Shafts	Inspect for damage. Repair as required.
Chain	Inspect for damage. Repair as required.
Flexplate	Inspect for damage. Repair as required.
Sprockets	Inspect for damage. Repair as required.
Front Sun Gear and Shell Assembly	Inspect for damage. Repair as required.
Front or Rear Planetaries	Inspect for damage. Repair as required.
Rear Sun Drum and Race Assembly	Inspect for damage. Repair as required.
Final Drive Assembly	Inspect for damage. Repair as required.
Pump Shaft Assembly	Inspect for damage. Repair as required.