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#1655192 - 11/02/09 09:03 AM Dropping the pan and filter
den Offline


Registered: 07/10/02
Posts: 25
Loc: texas
99Silverado half ton 46,000 94 Suburban 95,000 it has been changed at dealer but last time i dont think they touched it? Silverado has never been changed,easy driving on both what should i do???

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#1655253 - 11/02/09 10:20 AM Re: Dropping the pan and filter [Re: den]
ryan2022 Offline


Registered: 06/05/06
Posts: 470
Loc: Peterborough
I would change them both, just due to age.

Plus the newer fluids are quite good, and if you can do it yourself, the cost isn't that bad at all.
_________________________
2005 Jeep TJ 4.0: Amsoil XL 5w30
2006 Mazda 3 2.3 Amsoil XL 5w20

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#1655288 - 11/02/09 10:49 AM Re: Dropping the pan and filter [Re: den]
AzFireGuy79 Offline


Registered: 03/08/08
Posts: 981
Loc: Arizona
I would do a pan and filter sevice on both. After I would perfrom a cooler line fluid exchange with some Supertech Dex VI. I have had very good results with the older 4L60E/65 transmissions when going from DexIII to the new Dexron VI. You will need about 14-16 quarts to get most of the old fluid out.
_________________________
2006 Toyota Tacoma TRD 4.0: Redline 5w-30,Redline D6 ATF,Redline 75w-90
2006 Toyota Camry SE 3.3: Redline 5w-30,Redline D4 ,ATF Bypass, Eclipse NAV

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#1656358 - 11/03/09 06:59 AM Re: Dropping the pan and filter [Re: AzFireGuy79]
Jim Allen Offline


Registered: 08/12/05
Posts: 998
Loc: NW Ohio
I agree with the Arizona guy. Drop the pan and change the filter. Especially on the Silverado that has never been changed. Some 75 percent of the contaminants/wear debris in the life of an automatic (per Eleftherakis & Khalil) are either present at birth (manufacturing debris) or come from break in, so the first change is the vital one. This should happen by 5K miles. Also, install a cooler line filter, such as a Magnefine, installing it on the return line back into the trans.
_________________________
Jim Allen
Keepin' the Good Old Days of Four Wheeling Alive

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#1665862 - 11/10/09 01:47 PM Re: Dropping the pan and filter [Re: Jim Allen]
SargeBB Offline


Registered: 06/24/08
Posts: 55
Loc: Texas
Agree with both AZ guy & Jim. I'd add one thing. If you follow Jim's good advice...this applies ONLY to a new vehicle...you would want to install the Magnefine on the line going from the A/T to the oil cooler(s). If the in-line filter is first installed AFTER about 5,000 miles, you'd do as Jim states and install it on the return line.

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#1665993 - 11/10/09 03:36 PM Re: Dropping the pan and filter [Re: SargeBB]
benjamming Offline


Registered: 01/03/04
Posts: 4549
Loc: northern Alabama
Sarge,

You know that you will have to explain yourself as to why you recommend installing a filter in a cooler supply line when new & cooler return line after ~ 5k miles. This makes absolutely no sense to me.
_________________________
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