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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
    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

  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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