Okay, I've been wondering about this. Is "ATF+4" a brand name of Mopar or Chrysler? Or is it an SAE or other industry label?
I've been thinking about changing to a synthetic fluid in the transmission and differential, such as Amsoil, Royal Purple, or Redline. I'm a big Valvoline fan, and exclusively use their synthetic motor oil.
I've been told, however, that the ATF+4 contains certain Chrysler-proprietary friction modifiers that the 41TE tranny needs. And that other, seemingly better, synthetic fluids may not have these. It was further asserted that use of non-ATF+4 fluid would likely lead to premature transmission failure, followed by a big repair/replacement bill.
Anyone have any thoughts on this?
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\'03 Patriot Blue GT, Stage I Kit, Mopar BOV, Airaid Cool Air intake, Blue 8mm Magnecore Ignition Wires, Champion Platinum Plugs, Blane\'s Hood Struts, PT-Tuning GT Strut Tower Brace, Revel Billet Aluminum Door Sill Guards, Mopar Spoiler, Mopar Chrome Fuel Door, Mopar \"PT Cruiser\" Rear Splash Guards, Revel Billet Aluminum & LED License Frame, Mopar Dark Slate & Patriot Blue-Trimmed Floor Mats, WheelSkins Blue & Gray Leather Steering Wheel Cover, MGW Billet Door Pins
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