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6.6 Diesel service

This is a discussion on 6.6 Diesel service within the GM Trucks forums, part of the Vehicle Specific category; I have an '06 3500 Duramax with the Allison transmission that just turned over 90k miles. Bought the truck a ...

  1. #1
    Senior Member cam02ss's Avatar
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    6.6 Diesel service

    I have an '06 3500 Duramax with the Allison transmission that just turned over 90k miles. Bought the truck a couple years back with 59k, been changing the oil ever 10k, etc. Does anyone know the proper maintenance "schedules" for these trucks? I called one of the local dealerships and to me surprise they weren't very helpful. You know..100k mile service, fluids flush,etc. crap like that.

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    Your dealership guy konigandy6's Avatar
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    Velocity Yellow
    2008 Corvette Z06

    Transmission should be every 5 years or 60k miles
    Coolant 5 years or 100k miles
    Power steering as needed.. I'd say 100k us a good time to do it
    Brake fluid I recommend every other year because of the hydraulic fluid absorbing so much moisture.

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    Veteran 0rion's Avatar
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    06 duramax

    I do the spin on tranny filter every other fuel filter which is changed ever other oil change but I do my oil changes every 3k give or take some. I'm at 90k now so I'm due up to flush the allison and change the filter in the pan.

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    Senior Member cam02ss's Avatar
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    Good to know, I'll get on that

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    Former Mopar Man 2002ssslp's Avatar
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    Get a service manual on Ebay or online. There has never been a case of too much maintence.
    My ride is a 2002 Camaro SS SLP #3296 with 30k, LTH, 3" Y, CME, Frost tune, K&N, ported TB, Blackwing lid, Bellows, MSD, Denso Iridium, and 85mm MAF, Bilsteins, Eibach springs, SLP strut brace, Adj. Panhard, TA Girdle, UMI, Pro 5.0, Nitto NT555
    My wife has a 2004 GTO with the rare SAP, 18" wheels, K&N Cold Air System, MSD, Ported TB, Frost tune, Denso Iridium, Flowmaster cat-back, 3200 Yank, 75k

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    Senior Member 5.0THIS's Avatar
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    red
    95 Z28

    Since you probably dont know if they've been done, also change the fluid in your differentials and the transfer case. In addition to everything mentioned above.

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    Veteran 0rion's Avatar
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    speaking of the transfer case....there's something I've been putting off for a long ass time that I need to get on at some point. I need to do the pump rub fix before I have an issue with it. Just not on the top of my "to do" list but it's something I gotta get too soon.

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    Your dealership guy konigandy6's Avatar
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    Quote Originally Posted by 5.0THIS View Post
    Since you probably dont know if they've been done, also change the fluid in your differentials and the transfer case. In addition to everything mentioned above.
    Forgot about those.... Thank you!

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    Former Mopar Man 2002ssslp's Avatar
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    Transfer cases need love too !!

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    Senior Member cam02ss's Avatar
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    Right, I'm almost at 91k now...I'm going to have all the above mentioned service done when it rolls over 100k. Any if you guys have your trucks lifted? Mine is leveled with H2 rims and 35s...thought about doing a 4" lift but dunno what brands are good. I'm new to this diesel stuff...

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    Veteran 0rion's Avatar
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    I just cranked the bars on mine enough to clear 285 tires. I have a 5th wheel camper so lifting is not a good option for me. Lift kits are like a lot of things.....you'll hear 10 different opions from 10 different people as to which one they like. The to of my list would be BDS, fabtech, and cognito. I like the BDS because it keeps the factory track width on the fronts instead of having the front tires track wider than the rears.

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    Senior Member cam02ss's Avatar
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    What do you recommend as far as a tuner? Here are a couple pics of the truck

    imag0313.jpg
    truck1.jpg

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    Former Mopar Man 2002ssslp's Avatar
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    Quote Originally Posted by cam02ss View Post
    What do you recommend as far as a tuner? Here are a couple pics of the truck

    Click image for larger version. 

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    Click image for larger version. 

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    Do what everyone else does, send it to Steve @ Frost.

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    Veteran 0rion's Avatar
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    unless it's something new for him I don't think Steve does diesel tuning. Diesels are a completely different animal. A lot of gm guys use edge for a handheld and IMO they're a pretty neat little tool. Much different than handhelds for gas cars. The juice with attitude has a ton of features but is pretty pricey. EFIlive is the other popular option and there are several guys that either mail order tune or will sell you tunes. You can also learn it yourself but there's not as much info out there for diesel tuning as there is for gas. Check out alligatorperformance......they have several tuning options there.

  15. #15
    Senior Member cam02ss's Avatar
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    By tuning I meant programmers- sorry. Anyone familiar with these?

    1110400 PPE Hot+2 E.T. Xcelerator 2001-2010 Duramax 6.6L /LB7/LLY/LBZ/LMM

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    formally 01 T/A 0verkill's Avatar
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    "Arrest Me Red"
    2001 trans am

    dont wast your cash on a hand programere the only up side to one is you can read codes look at duramaxtuners.com for a efilive tune like the stuff frost is doing for are ls cars. and 0rion that pump rub fix take about 4 hours and if you dont fix it befor it is to late you are looking at lest an extra $450 trust me it happend to me.
    also op the filter you need to replace the most will end up being the fuel and its always a good idea to keep a spare when it gets cold out. im changing my oil 1 time a year or 10 to 15k

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