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  1. NGAneer

    Grinding noise, increases with speed under load

    Let me preface the description by saying I've searched and even thrown some parts at this problem already. I have a medium/high-pitched grinding or whining noise from under my 07 4x4 Yukon. The noise varies with speed (faster = louder) but not RPM. The noise almost completely goes away when...
  2. NGAneer

    DIC not working, PRNDL is dim

    Yesterday while pulling into a gas station I noticed the DIC was not illuminated not the gear indicator on the cluster. Once parked, I shut the truck off and turned it back on and the DIC/gear indicator came back. Turned the truck off once more and everything seemed fine. Drove a few miles...
  3. NGAneer

    Transmission slip in/out of 4th

    Have an issue related to 4th gear in my 4L65. Truck has ~250k miles so it may mean full rebuild but this doesn't seem like the band is completely gone. Only trans mods are Corvette 2nd gear servo and a Superior Billet 4th gear servo. Leaving from a dead stop truck drives completely normal...
  4. NGAneer

    Changing pan gasket... Plug oil bypass?

    Hey guys, read a few threads around my question but didn't find a direct answer. I have AFM disabled via BB tune. Will probably delete the hard parts in time. I need to drop the pan to change the gasket and the pump o-ring. Should I plug the oil pressure bypass while I'm at it? Again, AFM...
  5. NGAneer

    Power Steering Riddle

    So guys, I had a power steering leak that I was chasing which caused me to change out my power steering pump and all hoses. Good news is, the leak is gone... But only in one direction apparently. The pump is louder than I'd like it but it was a reman and I wasn't surprised when out of the box...
  6. NGAneer

    Tuned out AFM 18 months ago... how long before lifter failure?

    07 Yukon 5.3 LMG with AFM (deactivated 18 months ago), ~168k. Catch can was the first mod at 70k. Running synthetic, premium filters. Changing every 3-4k. Seafoam about once every 12 months or so. All in an effort to keep the motor clean. I'm probably forgetting a factor here so ask if you...
  7. NGAneer

    Need some Photoshop help with my front end

    I'm looking at a couple specific headlight/grill combo and I'm wondering how it would look on my truck. I'm looking at the headlights and grill below and I'd paint the surround on the grill and the lip on the hood body color. I'd appreciate the help greatly and thanks in advance. Chrome...
  8. NGAneer

    Bilstein Part Numbers

    I've got some 5100 shocks but with no hardware. Bilstein gave me part number B4-KT1-Z238A02 for the hardware but Summit can't find it and I haven't found it on the net. Has anyone else tried to get a hold of this part number? Thanks.
  9. NGAneer

    Bilstein 5100 Hardware

    Looking for part number(s) for Bilstein 5100 hardware. I've found some open box shocks without the hardware that I'd like to run. Appreciate the help.
  10. NGAneer

    Midwest Lighting retro headlights

    http://www.midwestlight.biz/_p/prd1/3803522911/product/gmc-yukon-denali-retrofit-headlights Anybody done these?
  11. NGAneer

    How to: 4WD Driver Side motor mount replacement w/o diff removal (quick write-up)

    Long story short, driver side motor mount broken. Dealer wanted $1200 because they had to take the front diff out to do it. BTW, my truck is a 2007 Yukon SLT, 5.3 4WD with a 4spd. Things may differ a little for folks with other drivertrains and you 2WD guys will have it easy with all that...
  12. NGAneer

    Rattle from belt drive

    I noticed this Thursday morning and I've tracked it to the A/C belt drive. Sounds like rattling chain, like when someones dragging a trailer chain down the road. Goes away or at least gets more faint when the A/C is off and is quite noticeable when the A/C is on. Goes away after as little as...
  13. NGAneer

    BB tune trans settings

    Just wanted to get some opinions on trans settings (torque management, shift firmness,etc.) and "other" tune modifications not prescribed in the black bear form. Truck is an 07 Yukon 4x4, homemade intake, aem drop in, MagnaFlow knockoff muffler, corvette 2nd servo and superior bullet 4th gear...
  14. NGAneer

    OEM Overhead console switch addition

    Curious if anyone has added an OEM single switch to the double switch slot in their overhead console. I've got a double switch for the sunroof on the driver side, the power liftgatae switch in the middle and I'm thinking about adding another single switch like the one below to the passenger...
  15. NGAneer

    Headlight switch & 4WD switch illumination

    Tried searching and didn't find an answer... My headlight switch does not illuminate, though it used to. The 4WD switch illuminates but in a warm white, incandescent color different from the greenish/blue of the rest of the dash/radio. Is there a way to replace the lights in the switches or...
  16. NGAneer

    Warning lights all over, disconnecting radio helps... What's wrong?

    Long post, sorry. This requries explaining. During a vacation to Florida, the truck start to show all kinds of warning lights (Service 4x4, parking sensors, service stabilitrak, ABS, Air Bag, etc.), no A/C and the radio would not come one after sitting in the hot sun for an extended period...
  17. NGAneer

    Tire size choice for 07 Yukon (275/65 or 305/55)

    Okay, searched and didn't find much in terms of results. I'm looking for 275/65r20 on a leveled NNBS Yukon/Tahoe. I've long considered 305/55 and still will but in terms of price, I feel like I might be able to get off cheaper with 275/65 and I need the back up plan. Looking at aggressive all...
  18. NGAneer

    Handles and Mirror Caps... what to do?

    Just looking for input. Exterior wise, the truck is the same as when i bought it a year ago. The handles are the stick on chrome covers and the mirror caps are oem chrome. Trying to decide on... A) Replace the chrome handle covers with real chrome handles. B) Remove the chrome handle covers...
  19. NGAneer

    Code P0121 07 Yukon 5.3

    Yesterday I got the P0121 TPS code. Went home and cleaned the throttle body off the truck with CRC TB cleaner. Now I get the high idle (1k) and the truck "pushing" with no pedal input. I've read all the threads about this (I think) and I plan on driving the truck to see if it will relearn...
  20. NGAneer

    About to start light mods, what setup should I go with?

    Going to do 5000k HIDs in my 07 Yukon soon and was planning on following that up with switchbacks in the turn signals and 3000k fogs. I have my reservations about this being somewhat "ricey" though I think it would be pretty functional. My other option was going with 5000k fogs and either...

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