Transfer Case Fluid

Easy

⏱ 30-60 min📅 Every 30-60K mi▶ Watch Videos

Shop Cost

$130

DIY Parts

$25

You Save

$105

Tools Required (4)

Socket/wrench set

Drain pan

Fluid pump

Allen key

Transfer case fluid

Pro Tip Fill plug first. Exact spec fluid.

Ford F-150

BW4417/4R70: fill plug on side. Mercon LV. Electronic shift models need correct fluid.

Toyota

Tacoma/4Runner: 10mm Allen drain and fill. Toyota ATF WS or 75W GL-5 depending on model.

Jeep

NP231/NP242: ATF+4 fluid. Fill plug on passenger side. Check for leaks at output seals.

Chevrolet

NP263: Auto-Trak II fluid. DO NOT substitute. Specific to GM transfer cases.

Subaru

Center diff is part of transmission. Not separately serviceable. Change trans fluid instead.