4l80e swap out
4l80e swap out
I have a 1995 that has a 4l80 e in it that is whining in all gears. gets louder as i go down the rd. a 4l80e is 700 used in my area and to rebuild it would be far to expensive for an old painters van. What other transmission will fit it? engine is a vortec 350 that surprisingly is in good shape.
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Re: 4l80e swap out
Astro/Safaris never had 4L80s. Did you put one in? They came with 4L60E's.
If it whines in neutral then it's probably not coming from the transmission.
If it whines in neutral then it's probably not coming from the transmission.
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Re: 4l80e swap out
Are ye attempting a 4L80-E retrofit, which I've longlisted as a fallback in case the physical brake layout contraindicates a clutch retrofit? The M-body midvan came with the 4L60-E stock from 1996-2001, the 4L65-E from 2002 to end of production. (The Allison 1000 five-speed is too large for the M-body.) That whine may be coming from the rear axle, if its frequency is a function of road speed.
1997 GMC M11006 (Safari SLE, 2WD, V6-4300/4L60-E/7.625" 3.73:1 open)
Acquired Jul 2018 / In service Sep 2018 - Nov 2022 / down due leaky valve(s) #5 cyl.
Acquired Jul 2018 / In service Sep 2018 - Nov 2022 / down due leaky valve(s) #5 cyl.
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Re: 4l80e swap out
Astro/Safaris only ever got 4L60Es. In later years some of internal parts may have been upgraded , but it was never a full blown 4L65 which was put behind the bigger V8's like the 6.0LBret Schmerker wrote: ↑Mon Dec 26, 2022 9:05 pmThe M-body midvan came with ... the 4L65-E from 2002 to end of production.
https://en.wikipedia.org/wiki/GM_4L60-E ... sion#4L65E
Again, not if it happens in Neutral.