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Old 09-13-2011, 08:52 PM
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i agree on that one thing ive leard that difrent areas i see diffrent problems occurer on units

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Old 09-14-2011, 02:28 AM
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From PATC's site:
If you have a 1982-83-84 car or truck never drive it with the wires on the side of the transmission unplugged. This will overheat the transmission on a long trip. On a 1985 or later it is O K to have the wires unplugged, because of a design change made in late 1984.
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Old 09-14-2011, 10:59 PM
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i rember seeing that in a ammco book lucky the oldest 700 ive done was a 86 mostly 4l60e are the common one in the garage most 700s i do are for retrofits most early 90s trucks are pretty rough now and people just trade them
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Old 09-15-2011, 08:38 AM
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Quote:
Originally Posted by SSedan64
From PATC's site:
If you have a 1982-83-84 car or truck never drive it with the wires on the side of the transmission unplugged. This will overheat the transmission on a long trip. On a 1985 or later it is O K to have the wires unplugged, because of a design change made in late 1984.
I don't agree with PATC on this. ATRA and ATSG both tell you to run lock-uo...Aside from all the burnt uo 3-4's tht were traced back to a non lock-up issue,,,

Frank
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Old 09-20-2011, 06:39 AM
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I'm wondering if I damaged my 3 4 clutch pack I been driving around with lockup on I really like the lockup kit I have bnm 70248 it wouldn't downshift at wot no it slips instead of going to third I'm really worried
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Old 09-20-2011, 09:31 AM
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When you say "no downshift", do you mean it won't come out of lockup, or it won't kich down to a lower gear? There's a few things that will cause a no kichdown syptom. A stuck TV valve or a misadjusted TV cable will both cause it, If the TV valve sticks, it will usually cause late/hard shifts also.

Frank
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Old 09-20-2011, 10:45 AM
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The way the bnm kit works off your vss once you set the speed (45 mph example) it doesn't disengage unless brakes are applied or vehicle drops below 45 mph weather I floored it or not I thought a had tv cable hook properly all shifts seemed at right time, but the when I was cruising on highwAy and floored it it only bogged down never went into a lower gear someone told me that I burned up 3 4 clutch pack, I drive it around for almost 250 miles in few weeks everything ran fine except no downshift then yesterday I drove to nearby town 30 miles away I stopped at stoplight when I went to take off 1 2 shifts were normal but when 2 3 shift happened it just slipped really bad likein neutral.. Now I'm going crazy trying to figure, out what to do
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Old 09-20-2011, 11:21 AM
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Sounds like the TV cable was not adjusted correctly if you never had a 4-3 or 4-2 kickdown. Too loose would be my guess.
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Old 09-20-2011, 12:02 PM
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Do uu think its too late now I'm gonna try to tighten it up
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Old 09-20-2011, 01:40 PM
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I tried adjusting tv cable stol no third so now I'm pulling tranny I guees I neefa replace 34 clutch pack note this tranny was off a 4.3 v 6 I heard they have less clutches so what do I needa do to upgrade this without spending a lot of money because I'm broke
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Old 09-20-2011, 01:55 PM
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You can add More clutches/Frictions. I suggest using Thick Steels.
GM 4L60e/ 4L60/ 700R4 Rebuild: Necessary Tools and Guide Books

Lots of options > http://www.transmissioncenter.org/70...t.htm#Clutches

Was this a used Trans?
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Old 09-20-2011, 02:33 PM
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Yes it was used when I opened up thes pan before installing everything was very clean so I assumed it was good even after installing and driving it shifted firm and at right spots but never down shifted when full throttle
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Old 09-20-2011, 05:50 PM
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Quote:
Originally Posted by SSedan64
From PATC's site:
If you have a 1982-83-84 car or truck never drive it with the wires on the side of the transmission unplugged. This will overheat the transmission on a long trip. On a 1985 or later it is O K to have the wires unplugged, because of a design change made in late 1984.
This is correct according to all knowledgable websites on the 700R4. I have a 1992 in my rod and do not have the plug wired. No problems. (Though I do plan to wire it in the future only for more efficient operation...).
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