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Fluid change

Discussion in '1st Gen. Tacomas (1995-2004)' started by Jaguar, Aug 18, 2010.

  1. Aug 18, 2010 at 7:03 AM
    #1
    Jaguar

    Jaguar [OP] The dude abides...

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    James
    Right next door to Hell, NJ
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    White 99 Tacoma, 4x4, 2.7, 5 speed
    Line-x, tints, Sony head unit
    Hey I'm new to this forum and trucks in general. I just got a 99 reg cab Tacoma 4x4 5 speed with the 3RZ-FE engine and 65k miles on the clock. It has the manual locking hubs in the front and no locking diff in the rear.

    I would like to flush the diffs, tranny, transfer case, and engine oil, so I have a baseline for all my future service records. I'm going to assume since it's a 99, all the oil is dino juice and not synthetic. I'm wondering if I should stick with natural oil, or can I switch over to amsoil synthetic in all these? I don't want to cause any problems, rather I would like to prevent them. Any input would be appreciated. And can someone check my comprehension skills to make sure I read the manual right on the viscosities and volumes and there were no changes to the manual since 99?

    Engine Oil 5.7 qts
    Transmission 2.6 qts 75W-90
    Transfer case 1.1 qts 75W-90
    Front diff 1.2 qts SAE 90
    Rear diff 2.7 qts SAE 90

    James
     
  2. Aug 18, 2010 at 7:09 AM
    #2
    98tacoma27

    98tacoma27 is gooder 'en chicken Moderator

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    Ben
    Beech Creek
    Vehicle:
    05 Tundra SR5 (+250k AND COUNTING), 88 SR5 PU (SOLD), 98 TRD OR (CRUSHED)
    5100's all on fours
    Welcome to TW.

    You will have no issues switching to Amsoil. I did the same thing in my 98 at 100k miles. The 3rz became quiter and smoother. Great choice IMHO.

    Amsoil makes a flush for the motor that requires you to drain a quart of oil out and then add the flush. You then run the motor @ 1500 RPM for approxiamately 15 minutes. I did this with mine. It helps to rid the deposits of the dyno oil and sludge. Great investment IMHO. Do be afraid to use it. Everything else will just be a drain and fill.
     
  3. Aug 18, 2010 at 12:45 PM
    #3
    Jaguar

    Jaguar [OP] The dude abides...

    Joined:
    Aug 14, 2010
    Member:
    #41706
    Messages:
    5
    Gender:
    Male
    First Name:
    James
    Right next door to Hell, NJ
    Vehicle:
    White 99 Tacoma, 4x4, 2.7, 5 speed
    Line-x, tints, Sony head unit
    Excellent, thanks. I'll drain, flush and fill everything this weekend, along with new belts and air filter element. I like this forum already.
     
  4. Aug 18, 2010 at 1:16 PM
    #4
    Jaguar

    Jaguar [OP] The dude abides...

    Joined:
    Aug 14, 2010
    Member:
    #41706
    Messages:
    5
    Gender:
    Male
    First Name:
    James
    Right next door to Hell, NJ
    Vehicle:
    White 99 Tacoma, 4x4, 2.7, 5 speed
    Line-x, tints, Sony head unit
    I see amsoil makes 80W-90, but I see no SAE90. Are theses 2 oils interchangeable for the diffs?
     
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