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So, based on what you have seen between the two filters, did you notice a difference in the shifting and do you think that the 3000 miles filter change should be done?
I know it would be expensive, but I wonder what a filter would look like if it was changed without the pre-change flush VS one that has been flushed then changed? 🤔🤔🤔
So, based on what you have seen between the two filters, did you notice a difference in the shifting and do you think that the 3000 miles filter change should be done?
More real data would be needed to answer that question accurately.
Both filters were flushed into them prior to removal and you can clearly see they have a lot of loading in them but are they bypassing or close to bypassing? No idea.
More real data would be needed to answer that question accurately.
Both filters were flushed into them prior to removal and you can clearly see they have a lot of loading in them but are they bypassing or close to bypassing? No idea.
Any launches on those filters? What would you guess the percentage of time in auto vs track mode?
I am trying to decipher if hard shifts or launches ware the clutches any more than std, Tour, shifts.
Any launches on those filters? What would you guess the percentage of time in auto vs track mode?
I am trying to decipher if hard shifts or launches ware the clutches any more than std, Tour, shifts.
Thanks
2024VETT
engine/ transmission Track mode should have less wear on the clutches. Less shifts in that mode and less slipping (less starting in 2nd gear and sharper shifts).
I have never driven my car outside of the engine trans in track mode.
I have probably 200 or so launches on this c8 of mine.
This was the inside (dirty side) at 2,500 miles on my original trans.
Below is the dirty side at 2,000 miles on the replacement trans
Trans 2 after an additional 3,000 miles
Thank you guys, this gives me a lot of visual info.
Based on the two sets of photos and seeing a comparison between the filter with a lot of launches , I think I might wait till 7500 miles.
I have 2500 miles, 1700 on a trip from Idaho to Calif and back in one week. Zero launches, I use track mode around town because I like the shift points and tour mode on my trip at 70-80 mph cruising the freeway to enable V4 mode.
If I feel anything odd in the shifts, I will make an appointment to get it changed out.
It appears the filters are catching fine debris and help clean the trans oil. How much the filter can take before the bypass kicks in is the unknown.
I think it comes down to how hard you drive the car and how much clutch slip your trans has done determines the amount in the filter.
Launches stress the clutch media and cause more debris based on the photos.
Like bhvrdr mentioned, a lot more sample data is needed to get a true reading of clutch debris buildup in the filter.
What would be useful is a test setup that measures how much contamination the filter can tolerate before it starts bypassing but we would need to know the flowrate for that information to be useful.
It appears the filters are catching fine debris and help clean the trans oil. How much the filter can take before the bypass kicks in is the unknown.
I think it comes down to how hard you drive the car and how much clutch slip your trans has done determines the amount in the filter.
Launches stress the clutch media and cause more debris based on the photos.
Like bhvrdr mentioned, a lot more sample data is needed to get a true reading of clutch debris buildup in the filter.
And the differential has two sets of friction clutch packs which add to all of this.
This was the inside (dirty side) at 2,500 miles on my original trans.
Below is the dirty side at 2,000 miles on the replacement trans
Trans 2 after an additional 3,000 miles
As someone else asked - what's your take. The filter material looks like there are regions of white and regions of dark or black - rather then being uniformly darkened. Is that what I am seeing? That seems strange as if the debris is not evenly distributed in the fluid. Also, I cant tell from the images. Is the amount of debris about the same in the later changes? I have clear fuel filters that I use for transferring diesel fuel - and those filters do not get uniformly dirty - the collect debris in spots.
As someone else asked - what's your take. The filter material looks like there are regions of white and regions of dark or black - rather then being uniformly darkened. Is that what I am seeing? That seems strange as if the debris is not evenly distributed in the fluid. Also, I cant tell from the images. Is the amount of debris about the same in the later changes? I have clear fuel filters that I use for transferring diesel fuel - and those filters do not get uniformly dirty - the collect debris in spots.
Thats why I asked what the filter would look like if it was removed/ replaced without the flush. Kinda a before the flush and after with two filters.
That might answer some questions about how much is really flushed out.
If the filters were less expensive, we might know by now.
As someone else asked - what's your take. The filter material looks like there are regions of white and regions of dark or black - rather then being uniformly darkened. Is that what I am seeing? That seems strange as if the debris is not evenly distributed in the fluid. Also, I cant tell from the images. Is the amount of debris about the same in the later changes? I have clear fuel filters that I use for transferring diesel fuel - and those filters do not get uniformly dirty - the collect debris in spots.
The filter has a white mesh over the media in his picture which will give that illusion.
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