700r4 3rd gear slip - Hot Rod Forum : Hotrodders Bulletin Board
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Old 02-15-2005, 09:13 PM
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Unhappy 700r4 3rd gear slip

I have a 700r4 and 1st gear works ok, shift into 2nd ok, but when it shifts into 3rd it slips like it went into netural. Does anyone have any info it will really help thenks.

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Last edited by broken; 02-15-2005 at 09:55 PM.
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Old 02-16-2005, 05:02 AM
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Cool

A common failure of the 700 / 4L60 tranny is the 3-4 clutch pack. When it fails there is no 3 or 4 gears.


Time to remove and tear down the tranny for repair
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Old 02-16-2005, 11:33 AM
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ok this will help a lot thanks

Last edited by broken; 02-16-2005 at 12:22 PM.
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Old 02-19-2005, 06:03 AM
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I have the exact same problem in my 700R4.....time to rebuild i guess.
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Old 03-15-2005, 12:00 AM
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TV Cable?

Did you try re-adjusting the detent or "TV" cable at the throttle body? Adjust all the way in, floor the gas pedal (car off) so it can self-adjust, then road test? About 30,000 miles ago, I was shopping for a new 700 R4 when I did the above. I needed a new cable, it cost $29.95 from the dealer (aftermarket ones no good).
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Old 03-15-2005, 07:17 AM
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Quote:
Originally Posted by BuickGuy
Did you try re-adjusting the detent or "TV" cable at the throttle body? Adjust all the way in, floor the gas pedal (car off) so it can self-adjust, then road test? About 30,000 miles ago, I was shopping for a new 700 R4 when I did the above. I needed a new cable, it cost $29.95 from the dealer (aftermarket ones no good).

the self adjust method can bend the internal link of the tranny on the TV linkage. I suggest releasing the cable lock to adjust the TV..
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Old 03-15-2005, 12:22 PM
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Cable Lock?

"Releasing the cable lock." Do you mean doing it by hand at the adjuster? When you tromp the throttle it autoadjusts anyway...is there a technique I'm unaware of? I've spent hours trying to get one 700 R4 adjusted...it just keeps getting uinadjusted each time I floor it. I just posted an answer to a guy who wants harder shifts, I told him I got the right/tight shift adjustment by dumping Krazy Glue on the adjuster (how's that for a cheap "shift kit").

I read something a while back saying the majority of 700 R4 shifting troubles result from improper max throttle adjustment. I only heard/read that once, but seems to make sense. Ideas?
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Old 03-15-2005, 12:25 PM
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the geometry and pull on the TV cable needs to be correct for the 70 trannys.

Full pull of the TV cable at WOT is what GM designed into the setup.

Shift firmness and timing should be altered by modifications to the valve body, boost valves & governor
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