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  1. #1
    RC Qualifier
    Join Date
    Apr 2012
    Clayton, CA.

    Changed rear diff fluid. then blown motor?

    Changed rear diff fluid before running with 3000 wt. After maybe an hr and a half truck came to a halt and had a burnt smell emanating from the chassis. Pulled motor and center cylinder was cracked. Could the thinner viscosity of diff fluid cause this? What is the stock rear diff viscosity?

  2. #2
    RC Turnbuckle Jr. El Sob's Avatar
    Join Date
    Feb 2010
    El Sobrante, Ca and Fairfield, Ca
    The stock rear diff is filled with grease. I have 50,000 in one truck and 30,000 in the other. I am almost positive that wasn't the cause of your motor going out on you. Time to get the Castle 2400! Be done with all the overheating problems!
    Member of the 10,000 + posts club! Here to help!

  3. #3
    RC Competitor
    Join Date
    Jun 2011
    Rosamond, CA
    Are you running a center diff or a slipper. Stock diff lube is 30K so I don't think the diff lube is the problem.

    Slash 4X4 SSC , T-MAXX, Revo and Bandit
    TQi, iPod

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