Differential Cleaning Instructions

Auto-Rx® Plus is your solution for cleaning differentials

… and it works as you drive to liquefy the contamination residue and build-up. To get the most out of your cleaning experience, we recommend the following easy, step-by-step method:

STEP 1:

Into the differential oil reservoir, add 2 ounces of Auto-Rx® Plusper quart of differential fluid.

STEP 2:

Drive 1,000 miles and then drain.

STEP 3

Refill according to vehicle manufacturer’s recommendation. This unit uses heavy gear oil.
The chemical formulation of Auto-Rx® Plus is the same for engines, transmissions, motorcycles, and diesels. The only difference is in the individual applications.