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Home >> Ford >> 2000 >> Contour SE, 2.5 L, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 814 (Automatic Transmission - 4R70W, 4R75W) >> Diagnosis And Testing >> Diagnosis By Symptom >> Diagnostic Routines >> Engagement Concern: No Forward

Engagement Concern: No Forward

WARNING: This page is about a different car, the 2005 Ford RV Cutaway, 2005 Ford Econoline, and 2005 Ford Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
ENGAGEMENT CONCERN: NO FORWARD

Possible Component Reference/Action
201 - ELECTRICAL ROUTINE 
  • No Electrical Concerns
 
301 - HYDRAULIC/MECHANICAL ROUTINE 
Fluid   
  • Incorrect level
  • Adjust fluid to correct level.
  • Condition
Shift Linkage   
  • Damaged or incorrectly adjusted
Incorrect Pressures   
  • Low forward clutch pressure, low line pressure
Fluid Filter and Seal Assembly   
  • Plugged, damaged
  • Install a new filter and seal assembly.
  • Filter seal damaged
Main Controls   
  • 3 - 4 shift valve, main regulator valve, manual valve stuck, damaged
  • Inspect for damage. Repair as required.
  • Bolts not tightened to specifications
  • Tighten bolts to specifications.
  • Gaskets damaged
  • Inspect gaskets for damage and install a new gasket.
  • 2 - 3 accumulator and seals damaged
  • Inspect piston, seals and bore for damage. Repair as required.
  • Pressure regulator valve
  • Inspect the diameter for wear.
Pump Assembly   
  • Bolts not tightened to specifications
  • Tighten bolts to specifications.
  • Porosity/cross leaks/ball missing or leaking, plugged hole
  • Inspect for porosity and leaks. Repair as required.
  • No. 3 and No. 4 seal rings damaged
  • Inspect seals for damage. Repair as required.
  • Gaskets damaged
  • Inspect for damage and install a new gasket.
Forward Clutch Assembly   
  • Seals, piston damaged
  • Inspect seals for damage. Repair as required.
  • Check balls damaged, missing, mislocated, not seating correctly
  • Inspect for mislocation, poor seating, damage. Install a new cylinder as required.
  • Friction elements damaged or worn
  • Check for abnormal wear, damage. Repair as required.
One-Way Clutch Assembly (Planetary)   
  • Worn, damaged or assembled incorrectly
  • Inspect for damage. Repair as required.
Output Shaft   
  • Damaged
  • Inspect for damage. Install new components as required.