By Hexa Fox
Hey guys I am planning to change the transmission fluid on my 2007 Silverado (New Body) 4.8 4x4 here soon. My muffler recently wore a hole into it and rusted out a piece of the exhaust. Therefore, I am planning on replacing my entire system with this one from Amazon.
Anyway I have done some research and it looks like the exhaust system prevents the transmission pan from being dropped completely. For this reason, I would like to change my transmission fluid and filter while I am changing out the exhaust. It seems like it is going to save me a world of trouble. Also I am coming up on 95,000 miles and almost positive it has never been changed before.
However, there are a lot of opinions on both the right way of doing this and the wrong way. I see a lot of people on YouTube removing the metal line from the front of the transmission radiator and letting the old fluid drain out that way while adding in new fluid. Then they stop when they see new fluid being pulled into the container and replace the filter then go on with life. I have heard other people say that this is gambling with your transmission and should not be done. Basically any advice and opinions would be greatly appreciated.
I also heard to not get sucked into "fancy labels" when it comes to new fluid either. My local guy said you want to replace the fluid with exactly the same thing that is in there right now as it was not designed for anything else. I just looked in the manual and it says that it is DEXRON VI so probably going to go with this from Amazon.
Let me know if you guys need anymore information. Any advice and direction you guys can give would be awesome.
First post here but wanted everyone to know before they too get screwed by their power train warranty. I have A 2015 gmc 1500 Denali 6.2 and have had transmission problems after about 10000 miles or so . I have taken it in and asked to have the transmission looked at with nothing but “can’t find a problem “ from service. I installed a k and n dry synthetic intake to my truck after about 15,000 miles(I have about 50k now). Took my truck in about 7months ago due to the transmission hitting hard throughout gears. When i take the car out of park into reverse there is a hard knock and a decent jolt. Sometimes when driving it and getting onto a freeway the gas pedal does not work then kicks in after a few seconds (pretty scary ). Another issue is if I give it gas in 4th or 5th it revs high then I feel like I and being rear ended and then the truck moves. This is crazy that this is happening. The dealership did a reprogramming of the transmission and 7 months I take it back they pull it apart and find pieces of the clutch in the bottom of the transmission pan. They call me today and tell me that the aftermarket CAI is the cause of the problem. They say the mass air flow censor is covered in oil from the air filters oil? My air filter is a dry synthetic filter just wash with water and air dry so I call their bullshit. They then call me back and say they looked into the filter I own and it is a dry filter and there was no oil on it. Wow wtf. They bullshit their way out of everything. Just wanted people to know when they have this problem be one step ahead of them and keep your stock air intake . It is absolutely absurd to say my clutch is coming apart in my transmission because of a aftermarket air intake. They are also not honoring the warranty and want me to pay $4480 for a new trans. This will probably be my last gm car ever.
My truck maxes out at 98 MPH, but when I bought my truck, it had 22” Denali wheels. I now have the same wheels but with new tires, Hankook Ventus ST RH06, that are "V" rated.
My question is, why is there a speed limiter? Besides the fact that it’s a truck, what mechanical points are we putting into the spotlight that result in a speed limiter? I live in Florida, and our highways are usually long straightaways with all traffic usually on the right side. When I’m passing, I get cut off at 98 MPH.... I don’t want that. I want to remove my limiter, but obviously not do ridiculous speeds... most I’d ever go is 115 STRETCHING it, in certain situations where it’s safer for me to pass at a speed that high. The reason I wan the limiter removed/increased is because I sometimes like to go to our local track day where we test our vehicle's times on an 1/8 mile and 1/4 mile, and as mentioned above, passing on non-busy highways later into the evening when there isn’t much traffic. I've tried searching through the forums here but everything is redundant, I never really got to find an answer. I wanted to ask why the speed limiter is in place, outside of tire speed rating. I’ve been hearing about it involving the driveshaft, but they never really have any solid answers and it leaves me confused... how can a driveshaft be damaged/exploded with a 10-20 mph increase, especially when these driveshafts are made to handle towing heavy hauls and off roading? Mind you, these speeds aren’t "long distance” speeds... what I mean is I’m not going to be spending my whole time on the highway or track doing 115.
And before any of you keyboard warriors think about replying, I do not care to hear your opinion on "speeding". I’m an experienced driver. I don’t mean to sound cocky, I just want to point it out that I’m looking for an explanation behind the speed limiter varying between a year or two...
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