A/T Fluid Cooler Inspection Procedure

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Inspect the coffee filter for debris.
1. If small metal debris less than 1mm (0.040 in) in size or metal powder is found in the coffee filter, this is normal. If normal debris is found, the A/T fluid cooler/radiator can be re-used and the procedure is ended.
  
  Fig 1: Inspecting Coffee Filter For Debris
  Courtesy of NISSAN MOTOR CO., U.S.A.
2. If one or more pieces of debris are found that are over 1 mm in size and/or peeled clutch facing material is found in the coffee filter, the fluid cooler is not serviceable. The radiator/fluid cooler must be replaced and the inspection procedure is ended.
  
  Fig 2: Measuring Pieces Of Debris
  Courtesy of NISSAN MOTOR CO., U.S.A.