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4l60e transmission problem


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bitty
New User

Oct 19, 2018, 7:57 AM

Post #1 of 4 (307 views)
4l60e transmission problem Sign In

1994 chevy 1500 4.3 L had a 4l60e in truck you could manually shift put another 4l60e in and doing the same thing .transmission shifts from 1st to 2nd at 5 mph from 2nd to 3rd at 10mph when it shifts into 3rd it goes in and out , valve rattle it does goes into overdrive smoothly down shifts good no noise in transmission no check engine lights on . idles good and accelerates great . I can manually shift all gears , strong , no slipping or noise . if I take off at 1/2 throttle or above transmission shifts fine . I have replaced the tps already no change it does have stock tires on it


gsferraro
Enthusiast

Oct 20, 2018, 3:13 PM

Post #2 of 4 (272 views)
Re: 4l60e transmission problem Sign In

Hello, is this a 4x4? Gary


bitty
New User

Oct 22, 2018, 7:23 AM

Post #3 of 4 (246 views)
Re: 4l60e transmission problem Sign In

no it is 2 wheel


gsferraro
Enthusiast

Oct 22, 2018, 7:41 AM

Post #4 of 4 (238 views)
Re: 4l60e transmission problem Sign In

Hello,
sounds like it's stacked shifting. Do you have access to scan tool?
Even though it's a 2 wheel drive, they a wired for 4x4 and if the 4x4 low wire is shorted the car will stack shift. If you go to transmission data it will show a pid for 4x4 low, need to see if it says on or off. Gary






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