- Clean the transmission case in cleaning
 solvent, and air dry.
 
Notice: Refer to Machined Surface Damage Notice in the Preface section.
- Remove the sealer from the case sealing surface.
 
- Inspect the front countershaft bearing (5) for:
 
- Replace the front countershaft bearing if any of the above conditions
 are found.
 
- Inspect the case for being broken or cracked.
 
- Replace the case if it is broken or cracked.
 
- Inspect the sealing surfaces (3) for damage.
 
- Repair small scratches or nicks with a soft stone.
 
- Inspect the extension mounting (4) for damage.
 
- Replace the case if the mounting is damaged.
 
- Inspect the case threaded bolt holes (1) for damage.
 
- Repair any damaged threads.
 
- Inspect for missing or loose location pins (2).
 
- Repair or replace any damaged dowel pins.