Extension Housing: Testing and Inspection
UNDER 8500 GVW - WITH M5OD, 5-SPEEDINSPECTION
Check extension housing for cracks. Ensure machined mating surfaces are free from burrs, nicks, or any other damage. If necessary, replace oil seal after extension housing has been installed onto transmission.
NOTE: Extension housing rear bushing cannot be serviced. If service is required, replace as a unit.