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Transmission ?? nonono

tpalibra

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tpalibra Enthusiast

tpalibra

Posted
Posted

Have a '07 Silverado crew cab classic 5.3 157k.Was at a stop light , hit the gas, slow acceleration then accelerated without shifting , rpms went up then POP !! No more 4th, shifted to 3rd, nada. So I shifted to 2nd, truck started going, got past 20 mph and eased it into 3rd. 3rd working only after hitting 20 mph but still no 4th. Reverse works, 1st and 2nd work, 3rd will only work after going past 20mph . Oops I think I really did something bad to my baby.. No DTC showing ,just po332 which I know is a knock sensor that I was already going to replace the next day. Please help !!?? Don't know if I really missed up my Trans. or just solinoid .

Carder09 Senior Enthusiast

Carder09

Posted
Posted

Take it to the dealer or your local mechanic to get it diagnosed first. Sounds like you may have killed it.

tpalibra Enthusiast

tpalibra

Posted
  • Author
Posted

What does the transmission fluid look/smell like??

Trans. fluid is still red , doesn't smell burnt...Will be taking the truck in to be checked out.

ATMINF Enthusiast

ATMINF

Posted
Posted

The 4L60 E trans aren't that robust. I would find a good trans shop and see what they charge to do a rebuild and upgrade. Just getting a reman unit means its still has the inherent weaknesses in it. Some of things to ask for is a upgraded sun shell, better bands, better clutch packs, and also if you don't mind a much firmer shift, is corvette servos. I might have screwed up the exact terms and upgraded parts needed, since I had to get my old Camaro trans upgraded back 12-14 years ago. Hope this helps.

TJay74 Senior Enthusiast

TJay74

Posted
Posted

If you do have to rebuild I would ask for a Kevlar band, Corvette 2nd gear servo, and maybe a shift kit in the new unit.

Bad Bowtie2 Enthusiast

Bad Bowtie2

Posted
Posted

The 4L60 E trans aren't that robust. I would find a good trans shop and see what they charge to do a rebuild and upgrade. Just getting a reman unit means its still has the inherent weaknesses in it. Some of things to ask for is a upgraded sun shell, better bands, better clutch packs, and also if you don't mind a much firmer shift, is corvette servos. I might have screwed up the exact terms and upgraded parts needed, since I had to get my old Camaro trans upgraded back 12-14 years ago. Hope this helps.

 

Buy a GM reman 4L65E. These came in the Silverado SS & Chevy/GMC VHO's. Bigger internals where it "helps".

Price shouldn't be WAY far off from a regular 4L60E.

tyhuck Senior Enthusiast

tyhuck

Posted
Posted

The 4L60 E trans aren't that robust. I would find a good trans shop and see what they charge to do a rebuild and upgrade. Just getting a reman unit means its still has the inherent weaknesses in it. Some of things to ask for is a upgraded sun shell, better bands, better clutch packs, and also if you don't mind a much firmer shift, is corvette servos. I might have screwed up the exact terms and upgraded parts needed, since I had to get my old Camaro trans upgraded back 12-14 years ago. Hope this helps.

 

 

Had the exact same problem in my 05 last summer and I did the above to it. Cost me $1850, and afterwards she ran like a scalded ape, even on 35s. I would also recommend a tune from Justin afterwards, just for fun. Makes it a blast to drive.

  • 2 weeks later...
tpalibra Enthusiast

tpalibra

Posted
  • Author
Posted

Thanks for all the post. I'm going to hold off a month and get FLT trans.

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