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Old 11-18-2011, 10:03 AM   #1
SPEEDSHIFT
 
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How to adjust bands in 48RE?

Can someone tell me how to adjust the bands in my 48RE?

Thanks, Bodie
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2004 2500 4x4 auto


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Originally Posted by Snedge View Post
Anything stock is slow. That's why they invented money.
 
Old 11-18-2011, 10:07 AM   #2
Big Blue24
 
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On the driver's side of the tranny, just above the fluid outlet to cooler line, is the adjuster for the 2nd gear band. Loosen the 3/4" locknut, tighten the 5/16" adjuster nut till it's good and snug, then loosen it 1.75 to 2 turns and retighten the 3/4" lock nut.

To adjust the low/reverse band, you need to remove the transmission pan. Typically, this band doesn't need adjustment. If reverse isn't engaging correctly, or if the truck acts weird when the gear selector is in L position, it might need adjustment.
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Old 11-18-2011, 10:09 AM   #3
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Is there a tq spec for it?
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2004 2500 4x4 auto


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Originally Posted by Snedge View Post
Anything stock is slow. That's why they invented money.
 
Old 11-18-2011, 10:14 AM   #4
crackerman

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"good n snug"
 
Old 11-18-2011, 10:15 AM   #5
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Actually on the 48RE isn't it a torx instead of the hex on the front band? The torque spec is 72 in lbs.
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Old 11-18-2011, 10:37 AM   #6
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Cool, thanks guys!

My good and snug usually breaks chit. Lol
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2004 2500 4x4 auto


Quote:
Originally Posted by Snedge View Post
Anything stock is slow. That's why they invented money.
 
Old 11-18-2011, 11:12 AM   #7
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#40 torx
 
Old 11-18-2011, 11:39 AM   #8
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You won't break those.. Don't get too comfortable under there, you'll be done before you realize.
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Old 11-18-2011, 11:42 AM   #9
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I'm also going to try the tractor hyd fluid... See how it goes.
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2004 2500 4x4 auto


Quote:
Originally Posted by Snedge View Post
Anything stock is slow. That's why they invented money.
 
Old 11-18-2011, 08:12 PM   #10
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Admittedly, I've never been under a 48re transmission. I adjusted the 2nd gear band on my Junker Drag Truck (47rh) last night, that's why I knew the nut sizes off-hand.
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Old 11-18-2011, 10:05 PM   #11
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Got it done, it sure does run a lot better. Finally fixed my shuttle shift issue.
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2004 2500 4x4 auto


Quote:
Originally Posted by Snedge View Post
Anything stock is slow. That's why they invented money.
 
Old 11-19-2011, 08:17 AM   #12
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What do u mean shuttle shift? Mine seems to hunt for gears on light throttle I wander if adjusting would help mine too.
 
Old 11-19-2011, 03:21 PM   #13
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Yes, it's goes back and forth between 1-2.
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2004 2500 4x4 auto


Quote:
Originally Posted by Snedge View Post
Anything stock is slow. That's why they invented money.
 
Old 11-19-2011, 10:27 PM   #14
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hey bodie how does that tractor hyd fluid work out.

i am having a differnt issue i have have the 1-2-1-2 but then replaced the pressure solenoid, and that fixed it but now about 35-40k i have a problem where the truck does want to shift into either 2 from 1 or 3 from 2. and sometime while in a roll it will just slip and not want to engage? all the other gears work just fine. any body know what i should do?
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Old 11-19-2011, 10:44 PM   #15
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Quote:
Originally Posted by wwm View Post
hey bodie how does that tractor hyd fluid work out.

i am having a differnt issue i have have the 1-2-1-2 but then replaced the pressure solenoid, and that fixed it but now about 35-40k i have a problem where the truck does want to shift into either 2 from 1 or 3 from 2. and sometime while in a roll it will just slip and not want to engage? all the other gears work just fine. any body know what i should do?

Adjust the front band and do a fluid/filter change.
 
Old 11-20-2011, 03:28 PM   #16
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kickdown or throttle pressure is important also
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Old 11-20-2011, 09:46 PM   #17
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Wow I did the band adjustment and what I difference I have no slipping but on occasion have the 1-2-1-2. So I will change the fluid and filter this week and maybe go with a bw pressure seloniod . After hearing some people doing the bw pressure thing it something doesn't want to shift right, should I do it or not.

What's the kickdown thing?
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06 CTD 4X4 2" Thuren, 35"s, ATP EFI Tuning, Firepunk Trans, Fass 150, Flux 4's, PPE dual feeders, springs, studs and twins (Steed mani, Tial wastegate and 62 over 80.

94 rclb no plate, 4ks, FC's, afc mods, Mack plug, Mack 64mm turbo, gauges, metal dash, 5" stacks
 
Old 11-20-2011, 11:51 PM   #18
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Quote:
Originally Posted by wwm View Post
Wow I did the band adjustment and what I difference I have no slipping but on occasion have the 1-2-1-2. So I will change the fluid and filter this week and maybe go with a bw pressure seloniod . After hearing some people doing the bw pressure thing it something doesn't want to shift right, should I do it or not.

What's the kickdown thing?
Glad the band adjustment helped. Since you're going to be in there to replace the solenoid, it'd be a good idea to replace the pressure sensor at the same time.
 
Old 02-23-2012, 01:46 PM   #19
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I have a 05 mine seems confused at low rpms and speeds shifting between 1 and 2 sometimes. Will adjusting the bands help this ?
 
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