This demonstration guide answers one field question about metal in the fluid or a cracked case. Measurements come before parts, and the notes are not a generic equipment FAQ.
Diagnose before replacing parts
Start with fluid inspection and case crack map. That reading separates metal in the fluid or a cracked case from adjacent faults that share the same complaint.
If the measurement is out of spec, treat the transaxle as the primary path. If it is in spec, do not replace the transaxle just to complete a parts list.
Repair the failed system
The usual correction is the transaxle, installed to the documented spec for this complaint.
A demonstration shop records the finding so the next technician is not repeating a guess about metal in the fluid or a cracked case.
Stop before you make it worse
Do not flushing metal through a cooler and returning it to service. That shortcut hides the original measurement and creates a second failure.
If the machine still fails after the transaxle is corrected, convert the visit to a broader diagnosis rather than stacking parts.
Written and published by Ridgeline Small Engine.