Clutch Plate Diagnosis
Composition Plates
Dry the plates and inspect the plates for the following conditions:
| • | Delamination--splitting or separation of bonded clutch material |
| • | Chips or metal particles embedded in the lining |
Replace a composition plate which shows any of these conditions.
Steel Plates
Wipe the plates dry and check the plates for heat discolouration. If the surfaces are smooth, even if colour smear is indicated, you can reuse the plate. If the plate is discoloured with heat spots or if the surface is scuffed, replace the plate.
Causes of Burned Clutch Plates
The following conditions can result in a burned clutch plate:
| • | Incorrect usage of clutch or apply plates |
| • | Engine coolant or water in the transmission fluid |
| • | A cracked clutch piston |
| • | Damaged or missing seals |
| - | The valve body face is not flat. |
| - | Porosity is between channels. |
| - | The valve bush clips are improperly installed. |
| - | The checkballs are misplaced. |
| • | The Teflon® seal rings are worn or damaged. |
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