Clutch Disc Check

WARNING: This page is about a different car, the 2004 Ford Pickup, 2004 Ford F550 Super Duty, 2004 Ford F450 Super Duty, and 2004 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Use emery cloth to remove minor imperfections in the clutch disc friction surface.

Inspect the clutch disc (7550) for:
- oil and grease saturation.
- worn and loose rivets at the hub.
- broken springs.
- wear and rust on the splines.
  - Install a new clutch disc if any of these conditions are present.
    
    Fig 1: Inspecting Clutch Disc
    Courtesy of FORD MOTOR CO.
Using a suitable slide caliper, measure the depth to the rivet heads.
- Install a new clutch disc if the measurement is less than the specification.
  
  Fig 2: Identifying Depth To Rivet Heads
  Courtesy of FORD MOTOR CO.
Using a suitable dial indicator, measure the clutch disc runout.
- Install a new clutch disc if the measurement is greater than the specification.
  
  Fig 3: Measuring Clutch Disc Runout
  Courtesy of FORD MOTOR CO.