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01-05-2013, 08:20 PM
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#1 |
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Registered User
Join Date: Oct 2012
Location: foresthill. california
Posts: 20
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4l60 prob
I have a 04 5.3l truck motor with 4l60 trans in my 68. Driving truck last i lost 3rd and 4th gears. Drove home in manual 2nd. I have had this motor and trans in for about a year now. Any trans guys out there that have seem a common prob cause this? No i have not checked for any codes. My scanner is at work. Did pin out shift solenoids through pcm connectors all solenoids had 3k ohms. Thanks Kevin
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01-05-2013, 08:32 PM
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#2 |
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Registered User
Join Date: Oct 2012
Location: foresthill. california
Posts: 20
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Re: 4l60 prob
Ok did some more searching sounds like 3-4 clutch pack out bummer
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01-05-2013, 09:08 PM
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#3 |
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*************
 
Join Date: Apr 2005
Location: Pensacola, FL
Posts: 17,858
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Re: 4l60 prob
How many miles does it have on it?
Posted via Mobile Device
__________________
Rob - https://www.instagram.com/hart_rod_c10 As Iron Sharpens Iron, So One Man Sharpens Another. Proverbs 27:17 FOR SALE: DBW pedal bracket - http://67-72chevytrucks.com/vboard/s...d.php?t=651123 FOR SALE: Hood Brackets http://67-72chevytrucks.com/vboard/s...d.php?t=679945 1987 Silverado SWB - 34.5K original miles http://67-72chevytrucks.com/vboard/s...d.php?t=801834 1969 SuperBurb - http://67-72chevytrucks.com/vboard/s...d.php?t=200387 1968 Farm truck - http://67-72chevytrucks.com/vboard/s...d.php?t=358692 1968 SWB - http://67-72chevytrucks.com/vboard/s...d.php?t=551258 1948 Chevy - http://67-72chevytrucks.com/vboard/s...=122164&page=3 |
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01-05-2013, 09:41 PM
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#4 |
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Registered User
Join Date: Dec 2009
Location: Independence Mo
Posts: 4,119
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Re: 4l60 prob
Check engine light on? Also is it starting in first and shifting to second and that's all or is it starting in second?
Posted via Mobile Device
__________________
My '72 short bed build. http://www.ls1tech.com/forums/conver...6-0-4l80e.html 5.3 swap into my RUSTY '71 C10 http://ls1tech.com/forums/conversion...71-c-10-a.html |
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01-06-2013, 03:31 PM
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#5 |
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Registered User
Join Date: Oct 2012
Location: foresthill. california
Posts: 20
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Re: 4l60 prob
motor and trans per wrecking yard had 77000 miles so now prob about 83000.
No check engine light, i will check codes monday after work when i can bring my scanner home. Starts in first shifts to second then neutral. Engagement into gear firm 1-2 shift is firm no flare. Heck i could burn the tires first and second. The weird part is have drive it easy and all the shifts have been firm. never felt that any shifts had any flares. I remember in the late 90s the first gen 4l60 would either stay in first? or maybe had 1-2 shift when trans lost bat + power. |
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01-06-2013, 03:43 PM
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#6 |
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Registered User
Join Date: Dec 2009
Location: Independence Mo
Posts: 4,119
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Re: 4l60 prob
Im not a trans guy, but if its going into neutral it sounds like an internal transmission problem, not a wiring or PCM problem. I believe if the trans has no power it will default to only second.
Posted via Mobile Device
__________________
My '72 short bed build. http://www.ls1tech.com/forums/conver...6-0-4l80e.html 5.3 swap into my RUSTY '71 C10 http://ls1tech.com/forums/conversion...71-c-10-a.html |
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01-06-2013, 06:24 PM
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#7 |
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Registered User
Join Date: Oct 2012
Location: foresthill. california
Posts: 20
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Re: 4l60 prob
Ya i kinda figured that. But one can always hope. O well guess i am rebuilding a 4l60 in the next few weeks. Thanks guys
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