12-15-2017, 02:42 PM | #1 |
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Location: Gainesville, Texas
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Keeping 4L65 in drive
Just finished installing my 6.0 with a 4L65 and having an issue with it popping out of drive, while driving down the road. Anyone else experience this and is there a fix?
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1972 GMC Jimmy 6.0/4L65 1972 Chevrolet long bed 1/2 ton |
12-15-2017, 04:37 PM | #2 |
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Location: Klein Texas
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Re: Keeping 4L65 in drive
4x4? What shifter linkage are you using? I haven't done an LS swap. Did you have to move the linkage bell crank?
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12-16-2017, 10:26 AM | #3 |
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Re: Keeping 4L65 in drive
Is it the shift poping out or the tran just going free wheel like slipping
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12-17-2017, 01:17 AM | #4 |
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Re: Keeping 4L65 in drive
Bigdav160 & truckdude239, yeah it's a 4x4 and I'm using the original linkage from my R700. Everything lined up right and the gear shift accurately lines up with reverse, drive, and low. It will just kinda slide out of drive always into neutral, while i'm driving. Sometimes I can hit a bump and it'll happen and other times it does it on a totally smooth road. It's like there needs to be a notch somewhere to keep it in whatever gear you select, but I'm at a loss.
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1972 GMC Jimmy 6.0/4L65 1972 Chevrolet long bed 1/2 ton |
12-17-2017, 07:51 AM | #5 |
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Re: Keeping 4L65 in drive
My guess is you are a little off with your adjustment . The ratio from you truck and the new truck with the old truck oem linkage is a little different . If you tried to set it with it on park most likely it will not line up when you hit drive . Move it to neutral and reset it ( play around with it ) .
Sounds like to me when you put it into drive ( against the stop ) you are , lets just say you are on the hump and when the trans and body move it is just falling off the hump into neutral . Most likely just needs a little tweak . Also you may or may not get it into 1st gear when you get there . The ratio is off just enough . I run the stock linkage and I did manage to get it to work perfect . But it took some doing by bending the trans bracket to a better angle and bending the rod to accommodate the ratio difference . Some never put it into first anyway . |
12-17-2017, 11:05 AM | #6 | |
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Re: Keeping 4L65 in drive
Quote:
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1972 GMC Jimmy 6.0/4L65 1972 Chevrolet long bed 1/2 ton |
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12-17-2017, 12:00 PM | #7 | |
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Re: Keeping 4L65 in drive
Quote:
You may even set the trans in drive and set the column in drive and lock it down and see what it does . You may have to tweak it from there to get it to go into the other gears . P R N D are the most important . Once you get those you will most likely have 2nd . But don't be disappointed if you dont have 1st . Took me a while to get that with the stock linkage . Last edited by homemade87; 12-17-2017 at 12:07 PM. |
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