ATF fluid
Got Diesel?
Joined: Jan 2004
Posts: 4,345
Likes: 21
When Mercon LV came out, it was stated that it is compatible with Mercon SP and could be mixed.
However, if and when I need to change over to "LV", I will do a flush to ensure I get all of the old "SP" out first.... why, becuase I just don't buy or understand how two different spec'd fluids can work together properly... each has it's own spec and I get it... but two specs together causes me concern.
This is why I only use single spec fluids (even in my powersteering system) and I do not mix oils between summer and winter (I just use Rotella Syn 5W-40 year round - since 3qts of old oil always stays in the high-pressure oil system).
However, if and when I need to change over to "LV", I will do a flush to ensure I get all of the old "SP" out first.... why, becuase I just don't buy or understand how two different spec'd fluids can work together properly... each has it's own spec and I get it... but two specs together causes me concern.
This is why I only use single spec fluids (even in my powersteering system) and I do not mix oils between summer and winter (I just use Rotella Syn 5W-40 year round - since 3qts of old oil always stays in the high-pressure oil system).
Hotshot
Joined: Jul 2005
Posts: 13,834
Likes: 25
From: Middle Tn.
You can use 3 or 4 of those qts. of Mercon V to flush your power steering system. Then add a a filter on the return line. Good ins.
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