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Home >> Ford >> 2000 >> Contour SE, 2.5 L, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 526 (Automatic Transmission) >> Diagnosis And Testing >> Diagnosis By Symptom >> Diagnostic Routine 202/302 - Engagement Concern: No Reverse

Diagnostic Routine 202/302 - Engagement Concern: 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 REVERSE

Possible Component Reference/Action
202 - ELECTRICAL ROUTINE 
Powertrain Control System 
  • No electrical concerns
  • If DTC P1700 is present, check for a low transmission fluid level, then continue to Hydraulic/Mechanical Routines.
302 - HYDRAULIC/MECHANICAL ROUTINE 
Shift Linkage (Internal/External) 
  • Damaged or out of adjustment
Incorrect Pressures 
  • Low line pressure, low EPC pressure
  • Carry out Line Pressure Tests and Stall Speed Tests. Refer to SPECIAL TESTING PROCEDURES . Check pressure at line and EPC taps. See the LINE PRESSURE CHART . If pressures are low, check the following possible components:
    • main control valve body
    • pump assembly
    • reverse clutch assembly
    • reverse apply tube and seal, N-R accumulator assembly
Main Control Valve Body 
  • Bolts out of torque specification
  • Tighten bolts to specification.
  • Gasket and Separator Plate - damaged, off location
  • Inspect for damage. Install new as required.
  • Manual Control Valve, Springs - stuck, damaged
  • Inspect for damage. Install new as required.
Pump Assembly 
  • Bolts out of torque specification
  • Tighten bolts to specification.
  • Gaskets - damaged
  • Inspect for damage and install new as required.
  • Porosity/cross leaks, pump assembly leaking, plugged hole
  • Install a new pump assembly.
  • Components - damaged
  • Inspect for damage and install new as required.
Reverse Clutch Assembly 
 
  • Seals, Piston, Springs - damaged
  • Inspect for damage. Repair as required.
  • Clearance check out of specification
  • Inspect. Carry out clearance checks.
  • Friction Elements - damaged or worn
  • Inspect for damage. Repair as required.
  • Reverse Apply Tube and Seal - leaking or incorrectly installed
  • Inspect. Repair as required.
N-R Accumulator Assembly 
  • Seals, Piston - damaged, leaking
  • Inspect for damage. Repair as required.
  • Shaft or Bore - damaged, leaking
  • Inspect for damage. Repair as required.