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Re: 4l60e transmissions in Chevy trucks [Re: Ride-or-Fish ] #11287704 12/17/15 03:14 PM
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129800 give or take a few.


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Re: 4l60e transmissions in Chevy trucks [Re: Ride-or-Fish ] #11360101 01/21/16 01:33 PM
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That sucks. So it's about $850 for a rebuild, $1400 plus labor for an already-rebuilt transmission, or I guess a lot more than that for a new one. How much is labor to install the rebuilt transmission?

I've changed the fluid every 40k-50k on my 2004 and I'm at 151k with no issues.


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Re: 4l60e transmissions in Chevy trucks [Re: Ride-or-Fish ] #11371771 01/26/16 07:47 PM
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labor is around 400.

Got the transmission back last Friday. Hope to get it back in by this Friday.


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Re: 4l60e transmissions in Chevy trucks [Re: Ride-or-Fish ] #11386651 02/02/16 07:01 PM
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I failed two in 120,000 miles. Then went to Castrol synthetic and a big add on cooler. No problems since then. All rebuilders will tell you heat is what cooks'em.


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Re: 4l60e transmissions in Chevy trucks [Re: Diesel Doctor] #11414648 02/15/16 12:15 PM
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Originally Posted By: Diesel Doctor
I failed two in 120,000 miles. Then went to Castrol synthetic and a big add on cooler. No problems since then. All rebuilders will tell you heat is what cooks'em.


Exactly..and many never flush or replace the cooler with a new or rebuilt transmission.

Re: 4l60e transmissions in Chevy trucks [Re: Diesel Doctor] #11417252 02/16/16 02:46 PM
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Originally Posted By: Diesel Doctor
I failed two in 120,000 miles. Then went to Castrol synthetic and a big add on cooler. No problems since then. All rebuilders will tell you heat is what cooks'em.


If you cooked 2 of them in 120k you are doing something to make them fail if heat was the cause and not failure of some other component. Excesive shifting, overloading, idling with you foot on the break for extended periods of time are all killers.

Re: 4l60e transmissions in Chevy trucks [Re: Ride-or-Fish ] #11437083 02/24/16 11:49 PM
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The 4L60 tranny is a light truck tranny....I will say that if you get 150000 on one before a rebuild you are lucky. I see them all the time in my shop. if you pull anything much heavier than a decent sized bass boat and you crowd it much you WILL be shortning your trannys life. Also if you have never serviced it and decide to do it and you have 150k on it don't be surprised if it gives up on you not long after....it just happens...don't ask why. However....in 99 when the body style was changed there is a tow haul button on the end of the shifter, any time you are towing that tow haul should be used....it raises the trannys line pressure so the clutches are held together tighter resulting in less slippage...slippage equals heat which is what burns the trannys up. ALso if you put huge tires on the vehicle that works against you...the shop I work at we wont warranty any tranny if it has bigger than stock tires on it.


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Re: 4l60e transmissions in Chevy trucks [Re: Ranger-188-2007] #11438467 02/25/16 03:53 PM
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Originally Posted By: Ranger-188-2007
The 4L60 tranny is a light truck tranny....I will say that if you get 150000 on one before a rebuild you are lucky. I see them all the time in my shop. if you pull anything much heavier than a decent sized bass boat and you crowd it much you WILL be shortning your trannys life. Also if you have never serviced it and decide to do it and you have 150k on it don't be surprised if it gives up on you not long after....it just happens...don't ask why. However....in 99 when the body style was changed there is a tow haul button on the end of the shifter, any time you are towing that tow haul should be used....it raises the trannys line pressure so the clutches are held together tighter resulting in less slippage...slippage equals heat which is what burns the trannys up. ALso if you put huge tires on the vehicle that works against you...the shop I work at we wont warranty any tranny if it has bigger than stock tires on it.
Great post - thanks for the info.


Life can only be understood backwards; but it must be lived forwards.
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Re: 4l60e transmissions in Chevy trucks [Re: Ranger-188-2007] #11441139 02/26/16 04:09 PM
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Originally Posted By: Ranger-188-2007
I will say that if you get 150000 on one before a rebuild you are lucky.


BS

Re: 4l60e transmissions in Chevy trucks [Re: redchevy] #11441355 02/26/16 05:23 PM
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Originally Posted By: redchevy
Originally Posted By: Ranger-188-2007
I will say that if you get 150000 on one before a rebuild you are lucky.


BS

I'm over double lucky. 302,000 miles and counting. Original fluid and tows every weekend.


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Re: 4l60e transmissions in Chevy trucks [Re: Ride-or-Fish ] #11441448 02/26/16 05:52 PM
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I'm at 259k. I did add the corvette servo.

Re: 4l60e transmissions in Chevy trucks [Re: Ride-or-Fish ] #11449430 03/01/16 06:01 PM
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My '98 had 265k on the original drive train when I traded it in, and would have driven that truck to Alaska if I needed to. Never changed the trans fluid or filter, just made sure it stayed full. Honestly can't remember ever adding any fluid to it. I used the heck out of that truck, loaded it down regularly, and towed with it a lot too.

My current '99 burb has a 4l80 in it, pushing 200k, still shifts fine and has never been serviced that I know of.

I have killed two transmissions in my life, both by replacing the fluid and filter, both died within two months of being serviced.

Driving habits kill more transmissions than design or lack of service. Allowing the converter to run extended periods of time while slipping/unlocked will fry a transmission quicker than anything.


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Re: 4l60e transmissions in Chevy trucks [Re: Ride-or-Fish ] #11449444 03/01/16 06:11 PM
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Had a 700R4, the anemic predecessor with 265k when I sold it in good shape. I took a 7000+ pound tractor and trailer for a 200 mile round trip @ 257k miles shortly before I sold it and it endured a life of use before that pulling boats travel trailers and a flat bed.

I did change my fluid and filter though.

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