Quote:
Originally Posted by svxfiles
Lets say you have an automatic transmission with very small oil passages, and you have 120,000miles on it.
After years of 200° temps. jack jabbit starts, sitting in traffic, and the occasional tire spin,(snow or sand) tiny friction particles have been let loose in the system as the in transmission screen is not a filter, just a screen.
The hot mix of burnt friction material, dirty oil, metal shavings get lodged into cracks, like dust in the corners that never get swept.
Now someone hooks up a high pressure flush of some harsh cleaner followed by fresh fluid, and washes out all of the crap.
Suddenly the old dried out seals, no longer flexable, have bigger holes to seal.
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so basically the congealed crud serves to aid seals in doing their job of preventing fluid leaks? removing this natural 'stop leak' would then lead to fluid leaks...ok but how does this (other than the loss of fluid) lead to earlier trans failure?
Not trying to argue just trying to understand.