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DIY - 2009 Silverado Transmission Filter and Fluid Replacement w/o Dro


Dr Awesome

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Hi all, I am new here, but I just got done doing a transmission filter replacement on my 2009 Chevy Silverado 1500 (4 speed auto). I watched some DIYs on youtube and looked at some forums, but they all said to drop the exhaust down and that was an issue for me. I didn't have a socket that worked on there, one was too deep, the other was too shallow, and they were a PITA to break loose, so I went another route without dropping it and it worked fine!

 

On a side note, while I was down there I did the front and rear differential and transfer case fluids, too. They are easy, just drain and fill until it flows out. I used a $6 hand pump off amazon that screws right into 1qt bottles of fluid. You can use the same kind of hand pump to drain the transmission pan fluid once it drops to reduce the mess, but I just embraced it and let it spill out all over.

 

Anyway, here is what I did...

 

Tools:

10mm socket

13mm socket

T40 torx bit

 

1. Remove the heat shield from the side of the transmission pan, it's just in the way.

IMG_20170413_160536479_zpsmbzbtpwl.jpg

IMG_20170413_160511149_zpsklrnli5h.jpg

 

2. Remove one torx bolt and loosen the other above the shift cable bracket. This allows you to slide it out of the way for extra clearance to the pan bolts and gives the needed clearance to get the pan out. Note that there is very little clearance here and all I could do was get a torx socket on there and use a 1/4" wrench for leverage, but it worked!

IMG_20170413_144344886_zpsowtfp24p.jpg

 

IMG_20170413_144356397_zpsv7pabroh.jpg

 

IMG_20170413_144655506_HDR_zps8fnmokel.j

 

3. Remove the pan bolts. It is helpful to leave a couple in so you can control where all the fluid drains out. Drop one corner and let it drain out in as controlled of a manner as you can. It's messy, especially if your truck doesn't fit in the garage and it's a windy day like I had!

 

4. Remove the pan with a little wiggling, it should slide right out. Pop the old filter out and the new one in.

IMG_20170413_144228565_zpsq30bgc15.jpg

 

5. Clean it thoroughly and get the sludge off the magnets. It might be my imagination, but I think one side of the magnet stuck better, so just test it out when you put them back.

 

6. Put the new gasket on and feed the bolts in. You will have to leave the back row of bolts out in order to clear the part above the exhaust crossover under the pan.

IMG_20170413_145847685_HDR_zpsgii6x3gv.j

 

7. Bolt it in and re-install the heat shield and shift cable bracket. I didn't get any torque specs, but they were really easy to remove, so I just tightened them down mechanically tight.

 

8. Fill with fluid, it took about 6qt initially, but I have to go for a good long drive yet to warm it up and check it again.

 

Hope this helps, it's way easier than trying to get the dang exhaust system to drop down! I mean really, look at how they located these bolts, I'd need 3 different sockets, a swivel, and a couple crows foot wrenches to break and remove all that crap including the sensor, no thanks!

IMG_20170413_144251962_zpskdj4rp5l.jpg

IMG_20170413_144236744_zpsiwkjkbjt.jpg

 

If you have any suggestions let me know, peace!

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  • 1 month later...

I didn't think you could get a 4 speed in an 09 truck but if you can, that's why it will come out without dropping exhaust. I tried on my 2010 with the 6 speed without moving the exhaust for the same reason, tried raising the transmission with a floor jack, in the end didn't get it. I was already too deep in to stop so I cut the cross pipe of the exhaust and had it welded back in when I was done.

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