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Tell me why I need to buy a new Transmission Oil Filter.

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Old Nov 8, 2006 | 07:25 PM
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Default Tell me why I need to buy a new Transmission Oil Filter.

I didn't want to "hi-jack" the transmission oil question in the 2000 section so I'm starting this new thread.
Archon said
Originally Posted by Archon
Not changing the [transmission] filter does not make changing the fluid pointless. The flilter is there to keep any large chunks of debris from entering the tansmission. It does not "clean" the fluid in the same manner as an oil filter. Changing the filter is definately prefered. It is not the end of the world if it is not. If you're going to go through the trouble of dropping the pan...do it right and change the filter too.
So my question is.....If no "large chunks" are ratteling around in the xmission oil filter, why not just remove the filter, empty the oil from the filter, and reuse the filter? Just clean the magnet on the oil pan, button it up and fill with fresh Dexron oil.
Heck, a cheap bastard like me could have saved $25!
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Old Nov 8, 2006 | 07:34 PM
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First of all the filter kit around me is $15. However.. filters filter material which means that some particles are in there and over time reducing the flow going through it. It'* better to have more flow and ensure all parts have the fluid needed to do their job.

In addition.. the filter is a heck of a lot cheaper than a transmission rebuild.
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Old Nov 8, 2006 | 07:58 PM
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OK, OK, I'm not that cheap. But it seems to me that those filters should be pretty useless after 50K (let alone 100K). But GM (and other Manufacturers) imply that the Transmission Oil/Filter is good for 100,000 miles. Planned obsolescence?
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Old Nov 8, 2006 | 08:02 PM
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100,000 is the tune up only isn't it? I need to check up and see if trans fluid is included. It'* kinda like engine oil and oil filter.. except it'* called trans fluid aka oil and filter.
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Old Nov 8, 2006 | 09:15 PM
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These are metal shavings from the differential pin. I cut the filter open and found the same thing inside the filter.



All the metal shavings inside the filter stopped the flow of oil to the pump. Which will cause this noise...

http://www.kc2jga.com/Transmission.WMV

You can read and see all the pics of my tranny tear down here...
http://www.bonnevilleclub.com/forum/...ighlight=whine
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Old Nov 8, 2006 | 09:32 PM
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OK, but what does a "normal" filter look like after, let'* say, 30,000 miles. It'* weird that my Vibe (and other foreign cars) do not have serviceable transmission filters. Just drain a couple of quarts and fill. My VW is another story.
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Old Nov 8, 2006 | 09:40 PM
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Well, if the oil and the bottom of the pan is fairly clean, I can only assume the inside of the filter would be the same. You might find some dirt in the bottom, which is normal. Primary function of the filter is to save your transmission from any further damage should something happen. Same thing with mine. The filter save the rest of the trans from all the metal shavings.

Napa sells the pan gasket and filter for like $15.
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Old Nov 8, 2006 | 10:03 PM
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I have seen a trani screen in a TH 400 break up from fatigue and in one case the fragments of the screen took out the trani.
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