4l60e wont shift into 3rd
Thread Starter
Teching In
Joined: Nov 2010
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From: Home
4l60e wont shift into 3rd I just got my car running with a fresh rebuild engine. I took it out for a drive. With throtle wide open shifts 1st to 2nd nice n firm but it wont shift into third n the engine just revs up.
Moderator
Joined: Aug 2010
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From: Ann Arbor, MI
Its a common problem with the 4L60E - the 3-4 clutch is worn out and your trans needs a rebuild. There are many threads on this. Here are a few recent ones:
https://ls1tech.com/forums/automatic...ips-3-4-a.html
https://ls1tech.com/forums/automatic...4l60e-kit.html
https://ls1tech.com/forums/automatic...-problems.html
https://ls1tech.com/forums/automatic...ips-3-4-a.html
https://ls1tech.com/forums/automatic...4l60e-kit.html
https://ls1tech.com/forums/automatic...-problems.html
Thread Starter
Teching In
Joined: Nov 2010
Posts: 30
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From: Home
It goes thru all gears when im not putting the pedal to the floor but when i do from a dead stop it does rev and wont shift into third. i think it may be the tune, the engine got rebuild it got bore and new ultra gold rocker arms also the tranny got a new pump, so i think the tune that currently has need s to be retuned to the new aspects of the engine, you think it maight be it?
+1 for 3-4 clutches
The tune could account for a no shift. It would not account for neutraling out.
there is more holding power required from the friction discs when you are out romping on it in comparison to lightly accelerating from a dead stop. They may just be beginning to go out.
Hate to say it but it sounds like you have a rebuild in your very near future.
The tune could account for a no shift. It would not account for neutraling out.
there is more holding power required from the friction discs when you are out romping on it in comparison to lightly accelerating from a dead stop. They may just be beginning to go out.
Hate to say it but it sounds like you have a rebuild in your very near future.
Thread Starter
Teching In
Joined: Nov 2010
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From: Home
damn! hate to hear that, a friend of mine had told me something similar, he said that with in 1year of putting in my new engine i would need a new tranny. at least i know what to expect if it does fail, i think ia start looking at some rebuilding shops, there is one called calspeed performance in bakersfield ca, they can get me a stage 5 trans using my shell for around $1800 installed. i might give them a call.
thanks the help.
thanks the help.
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Joined: Aug 2010
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From: Ann Arbor, MI
If you are hitting the rev limiter in 2nd gear (before the shift), then that indicates a tune problem.
However, if there is a shift and it then revs easily without much acceleration, it is the 3-4 clutch.
You could accelerate at 1/2 throttle until it shifts into 3rd and then go WOT to see if the clutches hold.
EDIT: There is a similar thread now too: https://ls1tech.com/forums/automatic...shift-wot.html
However, if there is a shift and it then revs easily without much acceleration, it is the 3-4 clutch.
You could accelerate at 1/2 throttle until it shifts into 3rd and then go WOT to see if the clutches hold.
EDIT: There is a similar thread now too: https://ls1tech.com/forums/automatic...shift-wot.html
Last edited by mrvedit; Jan 31, 2013 at 10:50 AM.
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Thread Starter
Teching In
Joined: Nov 2010
Posts: 30
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From: Home
thank you mrvedit! that is exactly what is goin on, it hits the rev limiter in 2nd and it wont shift. i hope is the tune, i am gonna take it to get tuned maybe next week.
thanks for all the help. i ll keep you guys posted after the tune n see if that fixes the problem.
thanks for all the help. i ll keep you guys posted after the tune n see if that fixes the problem.
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Joined: Aug 2010
Posts: 7,323
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From: Ann Arbor, MI
Sorry if I scared you, but your "just revs up" confused me.
