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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 >> Other Concerns: Noise/Vibration - Forward Or Reverse

Other Concerns: Noise/Vibration - Forward Or 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.
OTHER CONCERNS: NOISE/VIBRATION - FORWARD OR REVERSE

Possible Component Reference/Action
254 - ELECTRICAL ROUTINE 
 
  • No Electrical Concerns
354 - HYDRAULIC/MECHANICAL ROUTINE 
For Noises/Vibrations That Change With Engine Speed   
  • Converter components/balance weight
  • Fluid level (low) pump cavitation
  • Pump assembly
  • Engine drive accessories
  • Cooler lines grounding out
  • Flexplate
  • Locate source of disturbance. Repair as required.
For Noises/Vibrations That Change With Vehicle Speed   
  • Engine mounts loose or damaged
  • Driveline concerns:
    • U-joints
    • Rear axle
    • Suspension
    • Modifications
  • 1st Gear:
    • Low one-way clutch
    • Gearset
    • Friction elements
  • 2nd Gear:
    • Intermediate one-way clutch
    • Intermediate clutch piston bleed hole out of 12 o'clock position
    • Friction elements
  • 3rd Gear:
    • Torque converter
    • Case to planet support spring
    • Friction elements
  • 4th Gear:
    • Gear set
    • Friction elements
    • Torque converter
  • Reverse:
    • Gear set
    • Friction elements
  • Output shaft splines worn or damaged
  • Locate source of disturbance and repair as required.
  • Refer to the following shift routine(s) for further diagnosis:
    • Shift 1 - 2, Routine 320
    • Shift 2 - 3, Routine 321
    • Shift 3 - 4, Routine 322
    • Shift 4-3, Routine 323
    • Shift 3-2, Routine 324
    • Shift 2-1, Routine 325
    • Torque Converter Cycling 242/342
Other Noises/Vibrations   
  • Main controls, valve resonance
  • Shift cable:
    • Vibration
    • Grounding
    • Cooler lines
    • Grounding
  • Locate source of disturbance and repair as required.