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Rear End overhaul Where to start, what to use 74 TR6

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  • #16
    Take a close look inside and inspect the gear surfaces. Pic below is what I found in mine with pitting. Never found any metal chips in the oil so could have been previous owner as I only drained and refilled still mounted many urs ago. I just got mine back from John Esposito Quantum Mechanics after he rebuilt it. He replaced all the bearings and dish washers and front seal. About $1k of parts and labor.
    MRankin
    71 TR6 CC61212L

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    • Kingcat
      Kingcat commented
      Editing a comment
      Thaanks for the great pics. Gives me a good idea for what to look for.

  • #17
    Thanks for the advice. I was wondering what I should use to clean it out? Iimagine something that cleans well but doesn't leave a residue.

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    • SapphireBlue72
      SapphireBlue72 commented
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      If it isn't gummed up, just let it drain until it looks clean. Then wipe surfaces with a clean rag or paper towel.

      Use scotch-brite pad to clean the mating surfaces, rather than scratching them with sandpaper.

      If it is gummy, then a spray can of starting fluid is cheap, effective, leaves no residue.
      I use it when rebuilding chain saws/carburetors- does a good job cleaning.
      Last edited by SapphireBlue72; 07-06-2021, 06:52 AM.

    • frostr6
      frostr6 commented
      Editing a comment
      I agree, if it's fairly clean inside draining the old oil is enough. If it's sludgy, probably worth a cleaning. I often use Brakleen for stuff like this, it has a strong spray and a mix of solvents that seems to cut through about anything. Whatever you use, I'd make sure to dry it thoroughly before refilling (assuming it looks good).

  • #18
    Kerosene is a good choice for cleaning out the oil in the diff. Make sure it is thoroughly drained before filling it with oil again and that the wash is disposed of properly.

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    • #19
      Thanks for the great suggestions. I'm sending the axles off to Phil to have the bearing and seal replaced. Then I'll open it up for inspection.
      Last edited by Kingcat; 07-18-2021, 10:48 PM.

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      Rear End overhaul Where to start, what to use 74 TR6

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