Well, saturday morning i may try to drain the diff and see what comes out, but I have to replace the fluids immediately, since its my dd. I have 3 quarts of GL5 75W90. Is this the proper fluid? All the FSM states is API Service SAE90.
Could my diff issues be related to driving it hard when it was -10*F here? and not using the SAE80W diff fluid?
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2004 Mazda6 V6 5-spd - still waiting on money for a motor
1991 Mazda RX7 NA 5-spd - my new DD with 145,000 miles
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