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4l70e Failures

huero626

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huero626 Senior Enthusiast

huero626

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Has anybody had any problems with their 4L70E? My 4L70 lost second gear, taking it to the dealer to get the transmission fixed. When my warranty runs out, I'm thinking about ordering up a Level 5 4L70e from FLT. All the manual gears work good, and reverse and park work normal. Warranty will cover my transmission, but when warranty goes I'm saving up to get a built 4L70e. So, how is everybody else 4L70?

MS3DALE Senior Enthusiast

MS3DALE

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Posted

No issues with mine (25,000 miles) I've never had any issues with any of my 700R4/4L60-E trannys.

How many miles on yours?

66nova Senior Enthusiast

66nova

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Posted

39,000 on mine and not a lick of trouble so far.

 

I also had Justin remove 100% of TM in regular mode. In addition I tow on a regular basis too. But, Justin left all of the TM in T/H mode.

huero626 Senior Enthusiast

huero626

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No issues with mine (25,000 miles) I've never had any issues with any of my 700R4/4L60-E trannys.

How many miles on yours?

 

 

My transmission has 70,000 miles on it, it was working perfectly until the other day. I like how Chevy stands behind their product and I am getting my transmission fixed at the dealership already.

MS3DALE Senior Enthusiast

MS3DALE

Posted
Posted
No issues with mine (25,000 miles) I've never had any issues with any of my 700R4/4L60-E trannys.

How many miles on yours?

 

 

My transmission has 70,000 miles on it, it was working perfectly until the other day. I like how Chevy stands behind their product and I am getting my transmission fixed at the dealership already.

 

 

70,000.....That thing don't sit still does it?! :cool:

huero626 Senior Enthusiast

huero626

Posted
  • Author
Posted
No issues with mine (25,000 miles) I've never had any issues with any of my 700R4/4L60-E trannys.

How many miles on yours?

 

 

My transmission has 70,000 miles on it, it was working perfectly until the other day. I like how Chevy stands behind their product and I am getting my transmission fixed at the dealership already.

 

 

70,000.....That thing don't sit still does it?! :cool:

 

 

 

I use it for work and going out so the miles go up quick.

huero626 Senior Enthusiast

huero626

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38,800 miles and no issues... and I tow too. :cool: Glad to hear the dealership is fixing you up.

 

 

Yeah, very happy with the way the Chevrolet dealership is helping me fix my truck. Never had a big warranty claim like this one, on my other trucks it was always smaller things than this. Very satisfied with the way GM stands behind their products.

Shatterz Enthusiast

Shatterz

Posted
Posted

So they are fixing your transmission even though you have a Black Bear Performance Tune??? Interesting, I'm assuming you've swapped out pcms or they aren't too bright and haven't compared calibration numbers with the Tech II. Way to go with getting away with that one :cool:

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