Quote:
Originally Posted by Hotter
Hi, I just got 578E (transmission oil wear) error on my GM transmission and thinking maybe it's not worth changing transmission oil and filter? Maybe its good time to swap GM with 6HP21? (although my GM is working ok)
I am wondering how big is a difference?
According to this post:
https://www.xhpflashtool.com/blog/co...m_gm_to_zf6hp/
Anyone swapped GM to ZF6HP21? Was it worth it? |
It's all the same unless you're planning on tuning with xhp in my opinion.
I would prefer a manual swap over either, that's for sure.