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Tractor Hauler - 4L60E Rebuild w/ upgrades?

S

ShepFL

Well-known Member
Long story short - eldest tore up tranny in my 2000 K2500 pickup. Had local shop rebuilt it. It failed (3 & OD) after 3 months, took it back for warranty work and they replaced solenoids.

Took it back on the road and it failed again (20 days) after solenoid r&r - again lost high end. Local shop said 3rd repair not covered by warranty.

Now planning to go to AAMCO - had good experience with them in the past. Rig will be used for daily driver and oocasional heavy hauling (Oliver 77 & 88 or Oliver 1650) to area farm shows in SE.

Options: Install stock reman trans or
rebuild and upgrade mine:

Upgrades include
Shift kit
Bigger transmission cooler
Deeper pan for more fluid
Fluid temp gauge

Anything else I should think of?
 
Get a GM factory rebuild from a Cheby dealer and install it yourself or have it done. Built back to factory GM Specs, with upgrades and GM warrenty. Aamco does not have a good reputation in my neck of the woods.
 
4L60E or 4L80E in the 2500? The 60 is a "car" transmission as my local rebuilder calls them. I rebuilt my 4L60E and the builder installed heavy solenoids and a bunch of other parts. He compared it to a 4L80E when it was finished. I hauled quite a bit in the 7-8000 lb range and it worked well. Just never, ever use OD!

If its a long term truck for you, look at the aftermarket guys who build HD transmissions. I put a full billet transmission behind my Cummins for about $3000.00 more then what my stock rebuild would have been. More $$$ but I now have piece of mind, a lifetime warranty on the Triple Disc Torque, and 3 yrs on the trans.
 
Factory rebuilt is the best choice, at least you will have the newest updates and a good warranty for the $$. I never like to go into one twice because you don't know what was done last time. Some shops just put in what was broke and don't really fix the cause.
 
you should be able to get a factory rebuilt transmission for around 2000. little more than a rebuild job but here they have 3 years 100,000 mile warrenty i was told.
 
I second the opinion of an after market rebuild. Those guys are willing to redesign and fix the problems that GM doesn't want to deal with. I know they make heavier duty planetaries for the 4L60 also. I'm didn't think GM put the 4L60E in a 2500. Did GM still make a 2500 with 6 bolt wheels in 2000?
 
Can't help ya on a G M trans , not a G M guy . if it was a OLD C6 or a 727 then i could help. But i am a firm believer If ya want to haul IRON it takes Iron to haul it . I will stay with a gear drive . I have been down the road with slush boxes and done the tranny builds and yea i made them last alot longer then the factory but in time they would drop kick ya when ya needed them the most.
 
In a 2500, it will be a 4L80E, not a 60. Repeat failures says somebody is missing something like a plugged cooler. The torque converter clutch is a common failure that plugs the cooler. Your best warranty is drop it off at the local GM dealer. A SRTA comes with a 3 year unlimited mileage warranty. Best part about that is any GM dealer can warranty it if need be.
 

Chevy 1500's came with 4L60E trans but 2500 should have a 4L80E.
Our 01 1500 Z71 had a 4L60E but after multiple failures we've since upgraded to a 4L80E.

4L60E is a electronically controlled 700R4, light weight junk from day one.
4L80 is a electronically controlled Turbo 400 with OD, tuff trans.
 
GM built a 2500 and a 2500HD from 2000 until about 2003.

The 2500 had the 4L60E transmission, a semi-floating rear axle, and an 8600lb GVWR.

The 2500HD had the 4L80E transmission, full-floating rear axle, and a 9200lb GVWR.
 
(quoted from post at 08:50:00 11/13/18) GM built a 2500 and a 2500HD from 2000 until about 2003.

The 2500 had the 4L60E transmission, a semi-floating rear axle, and an 8600lb GVWR.

The 2500HD had the 4L80E transmission, full-floating rear axle, and a 9200lb GVWR.
Click to expand...

All I'll say is if it's a 2500 with a 4L60E in it, trade the pile of chit off
 
(quoted from post at 14:50:00 11/13/18) GM built a 2500 and a 2500HD from 2000 until about 2003.

The 2500 had the 4L60E transmission, a semi-floating rear axle, and an 8600lb GVWR.

The 2500HD had the 4L80E transmission, full-floating rear axle, and a 9200lb GVWR.
Click to expand...

No 2500 pickup with the 6.0L came with a 4L60E.

Unless you can show a trucks RPO code list to prove otherwise.
 
(quoted from post at 08:10:12 11/13/18)
(quoted from post at 08:50:00 11/13/18) GM built a 2500 and a 2500HD from 2000 until about 2003.

The 2500 had the 4L60E transmission, a semi-floating rear axle, and an 8600lb GVWR.

The 2500HD had the 4L80E transmission, full-floating rear axle, and a 9200lb GVWR.
Click to expand...

All I'll say is if it's a 2500 with a 4L60E in it, trade the pile of chit off
Click to expand...

My Dad bought one new in 2000, drove it 18 years, never a problem.
 
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