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  1. E

    Whining noise

    From a stop you can count the shifts and drops in RPM. 1-2-3-4-then it goes to the torque converter, which locks the transmissions directly to the engine RPM. If it whines only when in the last shift, it could be related to the differential. Tow mode still uses the converter, but at different...
  2. E

    Whining noise

    I thought manually shifting through the gears would keep it out of AFM....I am a firm believer that AFM is the worst thing ever on these trucks. Either that or your converter is starting to go. If you are locked up in TCC and you try to gently accelerate, does it almost slip or do the RPMs...
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    Whining noise

    Seriously...sport shift first and try tow mode and see what happens. Does it go away if you tap the brakes while cruising?
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    Whining noise

    Sport shift and see if it is still there...manually move the PRNDL
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    Slight shutter......

    Day 2 - lots of driving in town, where it would shudder the most, ZERO shudder I am convinced either something is wrong with my AFM or I need a tune up to keep AFM happy...Either way, the Range Tech V8 is a godsend. Driving is so much better now. Add to this, MPG seems to be up, but I don't...
  6. E

    Steering Wheel Emblem Repair - Possible Solutions?

    Mine was dented. I got the emblem only from eBay for $20. It was super easy to replace...like 5 mins. http://pages.ebay.com/link/?nav=item.view&alt=web&id=221166048054
  7. E

    2007 LT with shudder when braking

    http://www.tahoeyukonforum.com/forum/showpost.php?p=842645&postcount=29 It works. Also, if you aren't against credit...you can go to Amazon and buy it for $129 if you apply for Amazon card. I just paid it off and will close it after sending my $129.99. Arrived in two days. ---------- Post...
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    Slight shutter......

    :) Well, the Range stops the shuddering. I just had it delivered to the house, plugged it in and went for a 15 minute drive with about 10 full stops, speeds up to 70MPH. Not a single shudder. The blue light is annoying and the installation card says to pull the unit if it sits due to...
  9. E

    Slight shutter......

    My understanding is tow mode can still lock up. If I put it in tow mode, my hoe will be about 1900RPM on the highway at 70ish...same as if in D. I will report what happens, but i really think this is an AFM issue. At least I hope it is.
  10. E

    2007 LT with shudder when braking

    I agree....I just think it's either the TCC stays engaged and lugs the engine or the AFM doesn't kick back in soon enough. My test this morning seems to make me believe that AFM is the problem. If it is not in V4, it doesn't ever happen. Range V8 is on the way:party52:
  11. E

    2007 LT with shudder when braking

    I did some messing around on the drive to work this morning. Test 1 - In D, normal driving, normal stop - When I get to about 15MPH, the truck is in V4 and tries to idle at 500-600RPM when the shuddering starts. Test 2 - In Tow Mode, normal stop - When I get to about 15MPH, the truck is in...
  12. E

    2007 LT with shudder when braking

    It had been serviced regularly and I decided to do it this time due to the shudder. I am almost fully convinced it is the AFM. I noticed it only happens V4 mode. I can off the highway on to a steep off ramp today and it stayed in V8 until I stopped and never shuddered. If I am coming to a...
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    2007 LT with shudder when braking

    No codes and rotors have been replaced and are true. Converter stall speed test has the rpm at 1600. Converter locks up fine in drive
  14. E

    code P0430 bank 2 ..need help

    p0430 in my case was catalytic deficiency. My very honest and trustworthy mechanic told me it's not the same as a broken catalyst, so he said to drive it until I could replace the cats. It cost me about $600 to replace the cat. In the meantime, I did the anti fouler trick to keep the code...
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    Slight shutter......

    It stops...but it also stops when in tow mode and also does not do it if i slow down gently and hit idle speeds and it is in v8 mode. I just ordered a Range V8 to disable AFM. I wanted one anyway and I found the info in this thread made me pull the trigger I did have the transmission folks...
  16. E

    Slight shutter......

    I think I have this issue. If you put the truck in tow mode it goes away...Must be afm related?
  17. E

    2007 LT with shudder when braking

    Hi there, new member. I searched "converter", "shudder", and "rumble" to see if this topic had been discussed and it appears it has not been asked at least in this sub forum. Thanks in advance for any answers or help My 2007 LT2 has 140k on it. Recently, it started doing this shudder type...

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