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#4641421 - 01/20/18 09:45 PM New to me 2009 Silverado fluid change
MuzzleFlash40 Offline


Registered: 06/20/11
Posts: 1162
Loc: SE Ohio
Picked up an 09 Silverado 4x4 with the 4.8 as a spare vehicle for snow, etc. It has 97k on it and I will only put around 5k or so a year.

I'm going to change out all the fluids.

Power steering - Maxlife

Front and Rear Axles - Mobil 1 75w90 $10 a quart on amazon

Trans - First i'll suck out the pan and do a fill, wait a few thousand then do a pan drop and filter change

Transfer case - drain and fill

Both the trans and transfer case call for DEX6. I found on amazon a case of regular mobil for $80. Walmart has their quarts of Supertech DEX6 for $4.26.

Will the supertech do as well as the mobil (not mobil1)?
_________________________
18 Sonata SEL 2.4-7k
HK Syn 5w30 & OEM
16 Santa Fe Sport AWD 2.4-60k
Cam2 SynBlend 5w30 & OEM
09 Silverado LT 4x4 4.8-100k
Castrol GTX HM 5w30 & Fram




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#4641428 - 01/20/18 09:54 PM Re: New to me 2009 Silverado fluid change [Re: MuzzleFlash40]
HoosierJeeper Offline


Registered: 11/23/16
Posts: 1276
Loc: WI
If the Supertech Dex6 is like Supertech ATF+4, then it's as good as the dealer or any other brand. It has to be an exact formulation to get the approval. I'd run it if that's the case.
_________________________
15 Jeep KL Limited V6: Formula Shell 5W20
07 LR3 SE V8: Maxlife 5W30
05 Jeep KJ Limited: PHM 5W30
96 Jeep XJ Country: STP HM 5W30 (winter)

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#4641465 - 01/20/18 10:42 PM Re: New to me 2009 Silverado fluid change [Re: MuzzleFlash40]
slacktide_bitog Offline


Registered: 03/20/08
Posts: 6182
Loc: USA
The Super Tech Dexron VI is officially licensed and formally approved by GM, so it is perfectly ok to use it in your transmission with no problems smile

If your transmission doesn't have a drain plug, consider an aftermarket pan like Dorman that has one. It will make future ATF changes much easier.

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#4641527 - 01/21/18 12:30 AM Re: New to me 2009 Silverado fluid change [Re: MuzzleFlash40]
barkingspider Offline


Registered: 12/22/13
Posts: 2051
Loc: socal
Super tech Dex 6 is good for your trans. Use it without hesitation . Maxlife in the power steering?


Edited by barkingspider (01/21/18 12:34 AM)
_________________________
06 Cadillac Escalade Ext
17 Cadillac ATS (wife)
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#4641541 - 01/21/18 01:33 AM Re: New to me 2009 Silverado fluid change [Re: MuzzleFlash40]
xtell Offline


Registered: 12/13/06
Posts: 520
Loc: ohio
Supertech Dexron VI is a good trans oil. Working good in my GM transmissions. Very smooth shifts versus the Pennzoil Dexron III I had in there.

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#4641596 - 01/21/18 06:41 AM Re: New to me 2009 Silverado fluid change [Re: MuzzleFlash40]
Ryan02SS Offline


Registered: 12/20/06
Posts: 80
Loc: Formerly Ryan00TJ member 143
Everything looks good. Buy a $10 drain plug kit and install it in your trans pan while it's off. Makes it much easier for future changes. Maxlife has a power steering version too. I am running it in mine.
_________________________
08 Sierra 5.3L M1 EP 5W30 Wix
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03 VW Passat 1.8T M1 0W-40 Wix
16 Land Rover LR4 Castrol Prof Edge E0W20

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#4641636 - 01/21/18 07:59 AM Re: New to me 2009 Silverado fluid change [Re: MuzzleFlash40]
donnyj08 Offline


Registered: 08/12/12
Posts: 3034
Loc: Cincinnati
You can also use Maxlife LV ATF as well that will cost about the same as supertech when bought by the gallon.

In my 08 i change the transfer case once a year. Differentials every 40k with synpower 75w90 or castrol synthetic 75w90. ATF pan drop happened at 25k. I flushed via the trans cooler line at 60k and replaced all trans fluis with maxlife LV FS ATF.

Oil changes every 5-7k with on sale Synthetics.

Congrats on the truck! Do you have the 4L60E trans or the 6L80? I believe the service life on the trans filter is 100k max on a 4L60E. If i were you i would drop and clean the pan, replace the filter and refill. After that i would replace the fluid via the trans cooler line so all 12 quarts are fresh.
_________________________
2008 Silverado Z71 LT 90k Maxlife FS 5w30
2010 Ford Escape 167k QSUD 5w20
2016 Yamaha XSR900 11.5k, Rotella 15w40 Yamaha Filter.

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#4641643 - 01/21/18 08:12 AM Re: New to me 2009 Silverado fluid change [Re: MuzzleFlash40]
Snagglefoot Offline


Registered: 12/31/17
Posts: 1771
Loc: Alberta
Dexron VI is Dexron VI. LV is LV. Not a fan of one size fits all.

Read the PI sheet on the Maxlife website and decide for yourself.


Edited by Snagglefoot (01/21/18 08:23 AM)

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#4641653 - 01/21/18 08:22 AM Re: New to me 2009 Silverado fluid change [Re: donnyj08]
dogememe Offline


Registered: 04/15/17
Posts: 613
Loc: SF BAY AREA, CA
Originally Posted By: donnyj08



I'm pretty sure all 4.8s came with the 4L60E until like what, 2011? 2012? idk...
_________________________
2007 Ford Crown Vic P71 4.6 ~124K Miles, SynPower 5W-30, Royal Purple Filter. *Daily Driver*
2010 Ford Escape 2.5 ~70K Miles, SynPower 5W-30, Wix Filter. *Turo Rental*

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#4641660 - 01/21/18 08:31 AM Re: New to me 2009 Silverado fluid change [Re: MuzzleFlash40]
Snagglefoot Offline


Registered: 12/31/17
Posts: 1771
Loc: Alberta
The last year for the 4.8 was 2013 and I believe it still had a 4L60 E at that time.

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#4642390 - 01/21/18 09:34 PM Re: New to me 2009 Silverado fluid change [Re: MuzzleFlash40]
MuzzleFlash40 Offline


Registered: 06/20/11
Posts: 1162
Loc: SE Ohio
Thanks guys, yes it has the 4L60E.

While grabbing some wiper blades at Advance I seen they had the Carquest DEX6 that is labeled a full syn for 2 for 10. So I picked up a case. The Castrol next to it was labeled as a blend for $7. So I figured $5 a quart was a pretty good deal.
_________________________
18 Sonata SEL 2.4-7k
HK Syn 5w30 & OEM
16 Santa Fe Sport AWD 2.4-60k
Cam2 SynBlend 5w30 & OEM
09 Silverado LT 4x4 4.8-100k
Castrol GTX HM 5w30 & Fram




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#4642598 - 01/22/18 08:00 AM Re: New to me 2009 Silverado fluid change [Re: MuzzleFlash40]
meep Offline


Registered: 02/20/07
Posts: 3557
Loc: Southeast
as a preventative, google to see if this truck has the inline oil filter just under the pressure sensor. On the motors that do, this thing will get gummed up around 100k and start throwing low pressure codes and creating a little valve tap.

https://www.amazon.com/General-Motors-12...T7MCF7FVQXS75BD

-m
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2018 F150
2015 crv (wifey!)
2009 s60 2.5T

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