Transmission Flush
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Veteran
Joined: May 2017
Posts: 274
Likes: 7
Transmission Flush
2001 DRV 3500 5.9L
If you had a new transmission put in 15K (mostly highway) miles ago would you get the transmission fluid flushed for " regular maintenance" just because that was 5 years back?
The tranny works fine, the fluid looks good and I only need to get about another 20K miles out of the van.
I read about dangers of both not flushing after 5 years and flushing at all.
thanks.
If you had a new transmission put in 15K (mostly highway) miles ago would you get the transmission fluid flushed for " regular maintenance" just because that was 5 years back?
The tranny works fine, the fluid looks good and I only need to get about another 20K miles out of the van.
I read about dangers of both not flushing after 5 years and flushing at all.
thanks.
Administrator
Joined: Apr 2010
Posts: 87,267
Likes: 4,197
From: Clayton MI
No. I would NEVER flush a trans. Low mileage doesn't need it, and high mileage runs the risk of killing the trans.... (it's all the gunk in the fluid keeping it working.) Do a fluid/filter change every 30K miles or so, and that's it.
This ^^
Thanks for the reminder.