Eaton transmission

Discussion in 'Experienced Truckers' Advice' started by Gurpal, Feb 15, 2020.

  1. Gurpal

    Gurpal Bobtail Member

    Feb 10, 2020
    I got Kenworth t660 with 13 speed transmission.
    It has got almost1500000km on it
    It need a new clutch and bellhousing seal. But my mechanic is also recommending me to tuneup transmission too(will cost $ 2000) as we are already paying labour for clutch.
    I also got true north warranties which will cover transmission if it breaks but not for maintenance.

    I am confused should I tune up transmission now as a preventive maintenance from my pocket ($2000) to avoid roadside stop.
    as it’s working fine and warranty won’t cover it.
    What you guys advise.
  2. pushbroom

    pushbroom Road Train Member

    Sep 1, 2012
    Whats the tune up? Bearing kit and a syncro?

    Eaton reman with 3 years of warranty is 5500 canadian.
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  3. Milr72

    Milr72 Medium Load Member

    Dec 16, 2011
    S W Missouri
    From the reviews I read on TruNorth you better fix it now while it is apart because you'll pay more than that when they get done with you.
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  4. buzzarddriver

    buzzarddriver Road Train Member

    Feb 1, 2011
    Dallas, TX
    Ask the mechanic just what is included in this so-called "transmission tuneup". Then you can make the decision if it is worth the expense.
  5. ZVar

    ZVar Road Train Member

    Sep 10, 2010
    Flint, MI
    Plus how much will a tow and downtime cost you? That's if the warranty will even pay.
    My guess is you would save money doing the preventive maintenance than waiting on a breakdown to get fixed.
  6. Chubby Fly

    Chubby Fly Medium Load Member

    Nov 25, 2019
    2000 dollar tune up lol. he’s gonna install a kit that costs 200 bucks that people usually install with the clutch. Does nothing internally and takes 30 minutes to install. Shady mechanic
  7. AModelCat

    AModelCat Road Train Member

    Jul 7, 2015
    The North
    Tune up. There really isn't much you can "tune up" inside a truck transmission without tearing it apart and more or less rebuilding it. In terms of dollars and cents, before the transmission comes out I'd just drain the oil and check for chunkies. Then when its out on the floor, pull the top cover and take a good look inside. If I didn't see evidence of excessive wear/damage I'd just put it back to work.

    FYI when you buy a reman transmission, majority of the time those gears inside are re-used so think about that when you look inside your current transmission. Reman is more or less just a re-bearing/reseal and a new synchro in most cases. Any parts still in spec are typically re-used.

    Edit: Master overhaul kit (bearings, gaskets, piston seals) typically runs about $800-$1000 Cdn. Add an input shaft, synchro and shift forks (if needed) will probably run close to another grand. If you need any hard parts like gears, may as well just turn your old transmission in for a core and put a reman in it. Gears aren't exactly cheap.
    Last edited: Feb 16, 2020
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  8. kranky1

    kranky1 Light Load Member

    Sep 16, 2015
    Nova Scotia, Canada
    I was kind of thinking the input shaft and bearing in the installation kit might be that $2000 tune-up myself. Maybe we’re just suspicious types though.
  9. MinionTRookie

    MinionTRookie Bobtail Member

    Apr 8, 2018
    I had one done, was a input kit. 300 dollar part set. 30 days later put in a new rebuilt from Artic truck in Calgary. 3200 for the whole unit plus labor. Upgraded to 1850 torque basically for free. With downtime etc., in hindsight I'd just put a different trans in there if the deal can be had.
  10. FoolsErrand

    FoolsErrand Road Train Member

    Sep 15, 2017
    Bellhousing seal? Dont think i ever saw one. You mean rear main seal or input shaft seal?

    Go to shop with your camera and have him show you what he claims needs replaced. If the full top cover hasnt been pulled he hasnt looked. Take clear pics of the sliding clutches and post them. Also the tips of the shift forks which are under the bottom of the cover he will remove.

    If its not growling, leaking, jumping out of gear or hard to mesh certain gears, theres nothing wrong with it. If you do go forward stipulate that you want the old parts.. And no they arent cores.

    These are sliding clutches. Pretty worn. But changin them is full teardown. Genuine bearing seal kits are like $500.
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