Section 16 - Mounting Adaptations - Group 16 Rear Engine Power Takeoff (REPTO) - Rebuilding (16-05) M11 Page 16-11 Inspect the output flange for damage or wear grooves from the oil seal. Replace the flange if it is defective. Inspect the REPTO housing for cracks at the rear engine mounting surfaces and the flywheel bore. Replace the housing if it is cracked. Inspect the idler shaft bushing for wear. Replace the bushing if it is worn. Closely inspect the bore, the side faces and the teeth of the idler gear. Replace the gear if there are cracks, discoloration from excessive heat or other damage.