How long shoudl the 48 trannie
#16
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Originally Posted by davegsxrold929r
how long shoudl it last ., in my 04.5 CTD., ???
it just blew again last night at only 29000 miles., this is the 2nd time., wft., piece of crap., i knew i should have bought the chevy...
it just blew again last night at only 29000 miles., this is the 2nd time., wft., piece of crap., i knew i should have bought the chevy...
#18
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48 re
Originally Posted by davegsxrold929r
talked to them today., they are sending a remanufatured trannie and a new converter out in a couple days.,
seems the front and rear clutch packs are smokes and cracked., the OD pack is burnt., the input shaft is blued, etc., they say they can not rebuild it.,
seems the front and rear clutch packs are smokes and cracked., the OD pack is burnt., the input shaft is blued, etc., they say they can not rebuild it.,
#20
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First time poster so be easy on me.. BUT...
This sounds like a pump problem or maybe a pinched cooler...
I have a 05 3500 with the 48E and pull a 40' racecar trailer with no problems. (22,000 lbs loaded) Truck now has 28,000 miles on it (in 6 months) and the fluid looks perfect. One thing I do suggest is using Royal Purples synthetic tranny fluid. I know the DC guys say it doesn’t meet there specs, but I have a feeling it’s probably because it’s TOO good.
Also while im at it, thanks for all the helpful info.. I love this place.
This sounds like a pump problem or maybe a pinched cooler...
I have a 05 3500 with the 48E and pull a 40' racecar trailer with no problems. (22,000 lbs loaded) Truck now has 28,000 miles on it (in 6 months) and the fluid looks perfect. One thing I do suggest is using Royal Purples synthetic tranny fluid. I know the DC guys say it doesn’t meet there specs, but I have a feeling it’s probably because it’s TOO good.
Also while im at it, thanks for all the helpful info.. I love this place.
#21
Originally Posted by davegsxrold929r
how am i forcing it to lockup ? it just may be how i am driving it., i do not know., i woudl like to though. any input would be great ..
Best to downshift before you get to hill by pushing your little button, easing off throttle let downshift take place, let 3rd gear torque converter lockup take place then throttle as nessesary.
And someone here mentioned make sure they clean the cooler and lines as debree gets in there also and plugs it .
You have 34 sq.in. of clutch surface on you stock 48re trans torque converter. A ATS torque converter has 119 sq. in. on there triple lock torque converters. So you can see where it might be stronger.
#22
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4L60E auto in a 2004 GMC at 8,000 miles: Was this in a 1/2 ton truck? The 4L80E is its big brother. My wife's safari van has the 4l60E about to hit the 300K mile mark. The 4L60E's didn't hold up to well in the trucks.
Basically
4L60E - 350 turbo with electronics
4L80E - 400 turbo with electronics
Basically
4L60E - 350 turbo with electronics
4L80E - 400 turbo with electronics
#23
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BLUEPP ., thanks that clears it up alot., i normally do downshift ahead of time., but have done what you are saying a few times thats for sure...
and that chevy trans would ahve to be a smaller truck., i was looking at the allison...
and that chevy trans would ahve to be a smaller truck., i was looking at the allison...
#24
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Originally Posted by 67HotRod
4L60E auto in a 2004 GMC at 8,000 miles: Was this in a 1/2 ton truck? The 4L80E is its big brother. My wife's safari van has the 4l60E about to hit the 300K mile mark. The 4L60E's didn't hold up to well in the trucks.
Basically
4L60E - 350 turbo with electronics
4L80E - 400 turbo with electronics
Basically
4L60E - 350 turbo with electronics
4L80E - 400 turbo with electronics
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