My 99 ranger with 4.0 auto 4x4 is due for oil change, filter also, I like to do royal purple MAX ATF. the manual says 10.8 qts.?? is that draining all the fluid out of the tranny and refilling it ?what about changing the filter? is that easy to do ?and also about refilling the tranny, I haven't done it, so I don't want to screw it up.I'm hope this RP MAX ATF helps my tranny out ,lots miles (174,000)

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99,Ranger XLT 4x4 4.0 auto 8.8 4.10 super cab Toreador Red 1 1/2 yrs owned, the canopy came free from a good friend. Mods. keeping the body style CLASSIC as possible,cold intake, blinker mod. line of fire, need to get better tires.

Royal Purple is the shit! You won't go wrong there, i don't know what you need for capacity, I do know that any parts store can get you the filter you need, you drop the tranny pan and it should be right there.

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97 Ranger - 4.0 V6 auto, 4wd, 31x10.5x15s Wild Country XTX Sport All Terrains, Warn locking hubs, Pioneer deck with iPod attachment, Snugtop Topper, K&N filter, scan gauge II, Hella 500 Lights, More parts coming, waiting for the paycheck to get bigger!

Truck built in loving memory of Norm Howard
Outcast Racing
PNW Crew!!!
Afterhours Clan!!

I know I'm useing royal purple max atf ,is there a diff between that and mobile1??

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99,Ranger XLT 4x4 4.0 auto 8.8 4.10 super cab Toreador Red 1 1/2 yrs owned, the canopy came free from a good friend. Mods. keeping the body style CLASSIC as possible,cold intake, blinker mod. line of fire, need to get better tires.

I think it is no different than motor oil. Expensive and fancy brands do the same thing as the generic and non-fancy brands.

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(Formerly)
FireRanger
2003 Edge 4.0 4wd

How to: Aux light wiring, relays, & fuses
Info: 300+ intake threads here on FRF
Info: HID Projectors
How To: NO HEAT Troubleshooting Guide

There are differences in the fancy brands to the non-fancy, most of it has to do with additives. As well as synthetic vs non synthetic. You can run any of em with pretty good success. As for an ATF fluid, I'd stick with a name brand, but you aren't going to get a lot of difference among them, Royal Purple, AMS, and Lucas will give you lots of extras that something like Oreilly Brand won't give you as far as additives.

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97 Ranger - 4.0 V6 auto, 4wd, 31x10.5x15s Wild Country XTX Sport All Terrains, Warn locking hubs, Pioneer deck with iPod attachment, Snugtop Topper, K&N filter, scan gauge II, Hella 500 Lights, More parts coming, waiting for the paycheck to get bigger!

Truck built in loving memory of Norm Howard
Outcast Racing
PNW Crew!!!
Afterhours Clan!!

thanks I'm still going to use RP MAX ATF .

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99,Ranger XLT 4x4 4.0 auto 8.8 4.10 super cab Toreador Red 1 1/2 yrs owned, the canopy came free from a good friend. Mods. keeping the body style CLASSIC as possible,cold intake, blinker mod. line of fire, need to get better tires.

Smart choice!

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97 Ranger - 4.0 V6 auto, 4wd, 31x10.5x15s Wild Country XTX Sport All Terrains, Warn locking hubs, Pioneer deck with iPod attachment, Snugtop Topper, K&N filter, scan gauge II, Hella 500 Lights, More parts coming, waiting for the paycheck to get bigger!

Truck built in loving memory of Norm Howard
Outcast Racing
PNW Crew!!!
Afterhours Clan!!