Whats a crush washer? And I am at 96000 and never serviced the tranny....think its safe to now? First it was never then 80k now im confused and scaredQUOTE=syfi;802391]Replaced the tranny filter, gasket and crush washer around 40,000 on my 05 Limited with Amsoil ATF. 40,000 miles later and she still shifts like buda!

AMSOIL Signature Series Multi-Vehicle Synthetic Automatic Transmission Fluid

Also used 2 qts. of their Severe Gear Synthetic EP Gear Lube 75w-90 in the rear end....

AMSOIL Severe GearŪ 75W-90

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No emissions check in FL so I replaced the rear cats and "H" pipe with a "X" pipe. The front cats have all the sensors so just leave them be. She breaths much better now![/QUOTE]