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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: Delayed/Soft Reverse

Engagement Concern: Delayed/Soft Reverse

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: DELAYED/SOFT REVERSE

Possible Component Reference/Action
205 - ELECTRICAL ROUTINE   
 
  • No Electrical Concerns
305 - HYDRAULIC/MECHANICAL ROUTINE 
Fluid   
  • Incorrect level
  • Adjust fluid to correct level.
  • Condition
  • Inspect condition of fluid.
Shift Linkage   
  • Damaged or incorrectly adjusted
Incorrect Pressures   
  • Low reverse clutch pressure, low reverse band pressure, low line pressure
  • Check pressure at line tap. Refer to the LINE PRESSURE CHART  for specifications. Refer to SPECIAL TESTING PROCEDURES . If pressures are low, check the following components: main controls, pump assembly, reverse clutch assembly, reverse servo.
Fluid Filter and Seal Assembly   
  • Plugged, damaged
  • Install a new filter and seal assembly.
  • Filter seal damaged
Main Controls   
  • No. 6 shuttle ball, manual valve, main regulator valve stuck or damaged
  • Inspect for damage. Repair as required.
  • Bolts not tightened to specifications
  • Tighten bolts to specifications.
  • Gaskets damaged
  • Inspect for damage and install a new gasket.
Case   
  • 1 - 2 accumulator seals stuck or damaged
  • Inspect for damage. Repair as required.
Low Reverse Servo   
  • Seals (piston and cover) damaged
  • Servo cover retaining ring assembled incorrectly
  • Inspect for damage. Repair as required.
Pump Assembly   
  • Bolts not tightened to specification
  • Tighten bolts to specification.
  • Porosity/cross leaks/ball missing or leaking
  • Inspect pump assembly. Install new as required.
  • Gaskets damaged
  • Inspect for damage and install a new gasket.
  • No. 1 and No. 2 seal rings damaged
  • Inspect for damage. Repair as required.
Reverse Clutch Assembly   
  • Seals, piston damaged
  • Check ball missing or damaged
  • Friction elements damaged, worn
  • Return spring and piston damaged, worn
  • Inspect for damage. Install new components as required.
Low Reverse Band   
  • Damaged, worn
  • Inspect for damage. Repair as required.