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SportTrac Discussion
General Sport Trac Discussion
Mixing LV and SP Transmission fluids
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<blockquote data-quote="Berf" data-source="post: 1039833" data-attributes="member: 75201"><p>I did a lot of research into this, and found a couple Ford TSB's about it. The early one said not to mix SP and LV, but they released a later TSB that now says it is ok to mix them. I dropped the pan, replaced the bulkhead connector, and refilled with LV and have not had any issues. The only thing I noticed is the LV seems to expand a bit more when heated. When I put in the same amount that I drained out, the transmission was overfull once it was hot so I had to take some out. I think the lighter viscosity (LV) expands a bit more than the old SP did.</p></blockquote><p></p>
[QUOTE="Berf, post: 1039833, member: 75201"] I did a lot of research into this, and found a couple Ford TSB's about it. The early one said not to mix SP and LV, but they released a later TSB that now says it is ok to mix them. I dropped the pan, replaced the bulkhead connector, and refilled with LV and have not had any issues. The only thing I noticed is the LV seems to expand a bit more when heated. When I put in the same amount that I drained out, the transmission was overfull once it was hot so I had to take some out. I think the lighter viscosity (LV) expands a bit more than the old SP did. [/QUOTE]
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SportTrac Discussion
General Sport Trac Discussion
Mixing LV and SP Transmission fluids
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