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  1. dross99_si

    Noise after differential fluid change?

    Hey guys we have a 2007 LT 4WD and after I changed the front and rear differential fluid the Tahoe has a whine only when cold. After it's driven for a few miles it goes away. Noise is speed dependent and almost sounds like when you drive a manual trans in reverse. Like that high pitched siren...
  2. dross99_si

    Has anyone installed a permanent fuel pressure gauge?

    Like one of these? It would be helpful in diagnosing this hot soak starting issue I'm having. Nice to install a gauge on the rail that can stay there and just pop the hood to check it each time we start the vehicle to see what's happening when we get the intermittent long crank...
  3. dross99_si

    Correct front axle fluid?

    2007 Tahoe LT 4WD Should I be using 80W-90 or 75W-90 synthetic axle lubricant in the front differential? When I scour the web I'm finding conflicting information.. Thanks guys!
  4. dross99_si

    Transfer case whining?

    Hey guys, 2007 Tahoe LT 4WD we have a very faint whining noise when rolling. Almost like an old police siren. Only happens when cold like for the first few miles. This morning I drove with windows down, got it up to 30mph and shifted to neutral. Volume/pitch of the whine is totally dependent on...
  5. dross99_si

    2007 Tahoe power seats gears stripped/broken teeth?

    During forward & backward operation the motor spins no problem and the seat moves back & forth but it's jerky and will stop and start moving during operation. It's not smooth either it's like rough and crunchy. I'm thinking the gears that move the seat along the threaded rods are either stripped...
  6. dross99_si

    EVAP system questions

    Hey guys I recently got the P0455 code on 2007 Tahoe and in the process of chasing down an EVAP leak. Purchased a new OEM gas cap, Purge valve solenoid and vent solenoid with hoses and filtered vent. Questions: 1. The stock vent solenoid had the vent hose routed up near the filler neck and on...
  7. dross99_si

    Starting issue

    Hey guys 99% of the time our 2007 Tahoe starts up just fine, but once in a blue moon either we turn the key and nothing happens or it starts and the starter doesn't disengage after engine is running (engine turns over and starter continues to crank). It's happened 3 times in the 2.5 years we've...
  8. dross99_si

    150K service

    2007 Tahoe just hit 150K. What service do you guys like to do at this mileage? Coolant, hoses, water pump, Thermostat, belts, etc. Thanks!
  9. dross99_si

    07 Tahoe cabin air filter addition?

    Has anyone added a cabin air filter to their Tahoe? Just wondering if there are any write ups on doing the retrofit. Thanks!
  10. dross99_si

    Upper ball joints shot?

    Had the 2007 Tahoe state inspected yesterday and the mechanic feels that the upper ball joints need to be replaced. Mileage is currently 134K. Is this a common problem/good possibility or is the mechanic trying to pull one over on me? Part of me wants to get a second opinion (more $ of course)...
  11. dross99_si

    Service 4 wheel drive

    Well this morning I changed the T-case fluid which was simple, then I took it out for a test drive and switched to auto and then 4 high. Everything seemed fine, no strange symptoms or noises. I looked down at the display and it read service 4 wheel drive system. There was no CEL or anything. The...
  12. dross99_si

    In person BB tune review

    Took the 200 mile drive down to meet Justin in person for a tune last week. He was very nice and professional. Funniest part was that he had already tuned our truck about 9 months prior for the previous owner! I had no idea it was tuned when we bought it. As soon as he plugged into the OBD port...
  13. dross99_si

    "Warped rotors" - Let's have a discussion

    Now first I just want to say that this thread is meant to be a friendly discussion. I understand that everyone has their routines and habits when it comes to servicing their brakes and people should do what makes them comfortable and spend their money how they wish. I also understand that...
  14. dross99_si

    2007 Tahoe 5.3 MBRP Pro Series exhaust video

    Here's a cold start video (with a little rev @ 1:08) for you guys. I took one from the outside while cruising as well, but too much damn wind noise. I have to re-do that one. Enjoy!
  15. dross99_si

    Tuning and AFRs

    Are you guys able to log AFRs on a stock vehicle when tuning or does the customer need to have a wideband installed for that?
  16. dross99_si

    Reducing slop - 2007 Tahoe

    I'd like to get rid of the super soft, sloppy feeling of the suspension. Not looking for a stiff/harsh ride, just want to stiffen things up a tiny bit so the truck doesn't feel like a floating boat. Currently have Bilstein shocks and everything else is completely stock. Don't want to raise or...
  17. dross99_si

    Service Stabilitrak/Traction Control

    This just popped up today. Where do you guys think I should start?
  18. dross99_si

    20x9, 6x5.5, offset 0, backspace 4.75?

    Looking to get some new rims for our 2007 Tahoe. I really like the Pro Comp series 39 20x9, 6x5.5, offset 0, backspace 4.75. Not sure if these will fit properly and would like some help/advice from the community. We currently have the LTZ rims which are 20x8.5 +31. Does this mean that with the...
  19. dross99_si

    Mag-Hytec rear diff cover 2007 Tahoe?

    Is anybody using the GM 10-8.5 Mag-Hytec rear diff cover on their Tahoe? The only thing I'm concerned about is fitment really.. Does it fit with the factory rear sway bar in place? Doesn't look like there's too much clearance back there. Thank you!
  20. dross99_si

    MBRP pro series opinions

    This system looks very appealing for my 2007 Tahoe. I like that it's T304 SS, 3" piping, lifetime warranty. Anyboby have this exhaust and what is your opinion on sound, construction and fitment?
  21. dross99_si

    T-case and front diff drain & fill bolts

    I'm going to change the fluids soon. Do I need to buy new bolts or reuse the ones I took out? Just want to know the correct procedure so I don't wind up with leaks. Thanks!
  22. dross99_si

    T-case and front diff drain bolts

    I'm going to change the fluids soon. Do I need to buy new bolts or reuse the ones I took out? Just want to know the correct procedure so I don't wind up with leaks. Thanks!
  23. dross99_si

    New Tahoe owner checking in

    Hey guys, totally new to the Tahoe and American vehicles in general. My wife and I just picked up a beautiful white 2007 LT3 4WD and so far we're enjoying it. I do have so many questions about this thing being new to Chevys. If you could help point me in the right direction it would be greatly...

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