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    Remanufactured Transmission Temp

    I have always hated the coolant temp "dummy gauge" too... 180*-220* is all the same at the middle 210*.. There is a water port open on the passenger side head.. It's at the back so depending on how you want to tap into it !!! opposite of the oe temp sender on driver side front head.... I...
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    Remanufactured Transmission Temp

    IMHO: - Without an external transmission cooler don't expect the transmission temp to be below the engine temperature after it warms up. - 'Normal' transmission operating temperature is the engine (coolant) temperature. From Jabre's Post: I see his points, but have to disagree with some of...
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    4-corner steam port setup

    I wouldn't bother with it.. They are plugged from the factory.. If you are not changing your whole configuration, it's a waste of time to screw with it... Now on my Corvette, I did put a 4 corner system on it when I went to a diff intake manifold several years ago..LS1
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    4-corner steam port setup

    I've looked into it too on my 6.2. It's pretty hard with the way the intake and components are configured I've also found that in a stock type set up it's not really needed in the Gen 4 engines like it was in the gen 3 engines. I have not done it for this reason.. With my supercharger it would...
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    DTC question

    Not that I've ever found on multiple scan tools.. No "time" stamp. And it depends on how the codes were cleared and when the last relearn procedures have been done. What DTC are you getting ???? A lot of body DTC's get triggered when a battery is bad or getting changed. If that's the case and...
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    New tahoe owner needs help please

    Also, add some techron concentrate and/or seafoam to the gastank.. You'll still have several gallons of the old still in there.. I would clear the codes before you do the other maint... That way you'll know what is exactly going on... It may just need a nice 25 mile hiway cruise to...
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    P0174 code - safe to go on road trip?

    Sounds like a minor vacuum leak to me from info... IF it's an injector issue, you could run 2 bottle of techron concentrate in your fuel and see if that helps... I use techron in all my (and custs) fuels at every oil change to prevent issues. It also keeps the fuel sending units from sticking
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    Towing wobble

    3.7 rear axle ratio would tow better.... You also can beef up your 10 bolt rear end. I didn't see if you are 2wd or 4wd... So you'd have to change your front gear ratio too. At 5700 lbs you are fine with stock 10 bolt. You can replace the differential portion of it with helical gear type diff...
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    Towing wobble

    Yes the 6L80E can have issues with high hp cars... My 6L80E I had "built" for me before I put my supercharger on... Now the supercharger wasn't the only issue with giving extra HP... It was the HP mixed in with a very heavy vehicle AND towing even more weight.... In say a camaro or corvette...
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    Oil ?

    I know some have experimented with lighter oils... but the oil doesn't just lubricate your rotating parts ... IT'S vital to the VVT systems, DOD systems, etc... Those systems are specifically designed for a certain weight oil as they are hydraulically actuated. Lot's of issues when ford...
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    Coolant Confusion

    The newer "extended life" coolants can be mixed with any color ... And they come in several colors themselves depending on brand.. Some are greenish, yellow, orange, etc The dealer prob just buys the extended type in bulk so they can add it to any of their makes/models that they service...
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    Towing wobble

    That's why you'll have to slow down... The gearing and tire size determines your rpms if you are in a 1:1 trans ratio - 3rd gear in a 4L60E. And if the trans is built correctly you "can" tow in 4th to reduce your rpms.. Of course you have to be smart and downshift to 3rd on grades, etc...
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    Oil ?

    I personally would NOT be happy with a place that can't read !!! If you are in a cold climate you'd be fine... But I'd still want the correct weight and grade in my engine This is exactly why when buying a 'new to you' vehicle you go thru every system and fluids and filters.. Then you have a...
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    Towing wobble

    It would be very cost prohibitive to switch transmissions...very $$$.... not worth it. You won't find a bolt in rear assembly with 3.73.. It'll be 3.42 is all i've ever found. Remember, you have to match front and rear gear ratios. Just have your 4L60E "built" for your application. You'll be...
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    Towing wobble

    Well, Your 4L60E IS a weak link... they are not built for heavy towing... and never in 4th gear (towing).. You'll have to slow down and do 3rd gear for towing : it's your 1:1 gear ratio in the trans.. That being said, that trans CAN be built to hold lots of power and weight... But in...
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    2007 Yukon drivetrain replace/upgrade?

    I'd replace / service both your differentials, the transmission and transfer case and then see how they react.. They may just be due/overdue for service.. Fuel pump module is a no brainer..Buy the GM or Delphi part.. With your age and mileage , you've got your money out of that pump... Many...
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    Towing wobble

    Yeah, they really can't unless modified... From what I understand the non XL or tahoe would be a little more difficult. I towed this camper for years with my 1994 stepside C1500 1/2 ton... Tons of mods and lots of power.. But it was still squirilly as I had a 5300lb truck towing a 9500 lb...
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    Towing wobble

    Upgrades to tow (heavy) don't even have to include more power.... The main thing was reliability and safety. Transmission Upgrades would include at minimum: HD Torque Converter, Trans Cooler Cooling System: Better/Upgraded Radiator, Upgraded Fans (if needed), Newish GM Water Pump...
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    Towing wobble

    I use my 2014 Yukon XL Denali in my signature to tow
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    Towing wobble

    Just by looking at your pic of the rig hooked up, it looks to me like your vehicle is not level... I'd try either going UP one adjustment on the trailer hitch at the vehicle or load your WD hitch harder... You will always get buffeting effect when the semi's pass you up... it's part of the deal...
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    High Idle, Low Idle, Unintended Acceleration, Rough Downshift, Clean Throttle Body

    There is a TB clean procedure that you can do with some scan tools.. It resets the "learned" zero position as that has most likely changed in 120K miles... Also, check/remove/ clean your connector to the TB and MAF sensor. If the Key is Off , you don't have to disconnect the battery
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    Replacing wheel studs, should I do more? 08 2500 xl 4x4

    Just my 2 cents: I'd just replace the entire hub assembly on both fronts. It's a 2500 and you DO tow... So ... and any time past 100K they go to shit anyway. You'll probably find that you are going to have to beat them out of the knuckle making you wonder if they are still good.. Just order...
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    Anyone know of a remote tuner who uses HP Tuner?

    You should get on the HPTuners bulletin board... Sign up With the cam change, you'll have to turn up your idle to 800 rpms and add about 25% more base minimum airflow under the idle tab. There are people on the board that do remote tuning... Not me... Yet anyway... But there are things you...
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    Rattle in front of the engine

    As stated above, take off the main belt and run engine for very short time to see if the noise changes. Your AC belt is a "stretch to fit" belt" so you'd have to cut it off to remove it If you plan on replacing it then that would eliminate the compressor as the noise.. But it should be...
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    Starter keeps cranking

    So my point is: that the gear can hang up on the flexplate and not be "pushed" off like it's supposed to... Getting a GM starter may or may not solve the issue.. but I'd bet it prob would I had to shim my new GM starter after my trans was rebuilt a couple years ago. It worked fine, but made...

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