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Author Topic: TV Cable In depth trouble shooting  (Read 3650 times)

Offline Da67goatman

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TV Cable In depth trouble shooting
« on: January 17, 2011, 03:15:18 pm »
My 700r4 has about 300 miles on it and I don't like how it is shifting, it isn't right from everyone I have talked too.  I have tried different tv cables, and adjusted them as said, and it still windes up almost to 3700 rpm before shifting, i hit 3rd at 45mph, and 4th gear not till 55mph, way bad.  I have the factory cable, got it from the dealer, adjusted it , let it ratchet out and this is what I have.  Why is it winding up so high?  Is there something I cab do to bring the shifts down?  thanks.

Vehicle in question is in signature.
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<Pitcrew>
1989 R2500 Suburban mild 350 TBI 700r4 10.5" 14bolt 4.10 w/ 33s
1992 fullsize Blazer 4x4  35s no lift, 4.10s, Hella driving lights, TJ Flares, Huge bumpers, Snorkel, custom interior

Offline Big Katz

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Re: TV Cable In depth trouble shooting
« Reply #1 on: January 17, 2011, 06:38:07 pm »
I don't know if it is accepted to post this link or not, but it is some good reading for 700R4 owners. I personally bought the EZ valve spring kit and installed it in my 88 Sub and it made a big improvment on how it up shifted and down shifted. The tranny is still going strong after 60,000 miles of plowing.
http://www.tvmadeez.com/article/part3.php
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Offline VileZambonie

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Re: TV Cable In depth trouble shooting
« Reply #2 on: January 17, 2011, 07:38:25 pm »
If the tv cable is adjusted right try some lighter governor springs
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74 GMC, 75 K5, 84 GMC, 85 K20, 86 k20, 79 K10

Offline Da67goatman

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Re: TV Cable In depth trouble shooting
« Reply #3 on: January 17, 2011, 09:21:37 pm »
Where can I get Governor springs?  NAPA?  Dealer?
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<Pitcrew>
1989 R2500 Suburban mild 350 TBI 700r4 10.5" 14bolt 4.10 w/ 33s
1992 fullsize Blazer 4x4  35s no lift, 4.10s, Hella driving lights, TJ Flares, Huge bumpers, Snorkel, custom interior

Offline VileZambonie

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Re: TV Cable In depth trouble shooting
« Reply #4 on: January 18, 2011, 08:08:50 pm »
Try transgo or these guys http://www.transmissionhead.com/
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,                           ___ 
                         /  _ _ _\_
              ⌠ŻŻŻŻŻ'   [☼===☼]
              `()_);-;()_)--o--)_)

74 GMC, 75 K5, 84 GMC, 85 K20, 86 k20, 79 K10

Offline chevyh20

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Re: TV Cable In depth trouble shooting
« Reply #5 on: January 19, 2011, 10:45:57 pm »
excellent links in this post , i learned a lot. must reading for 700r4 owners
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Offline Da67goatman

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Re: TV Cable In depth trouble shooting
« Reply #6 on: January 20, 2011, 03:57:09 pm »
so I put some more miles on it, its now got 420 on it.  it got better, but only after I drive for 25-30min then its hifts smoothly and at much lower rpms.  What could make it shift hard and high when I start driving, but get better after 25-30min?
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<Pitcrew>
1989 R2500 Suburban mild 350 TBI 700r4 10.5" 14bolt 4.10 w/ 33s
1992 fullsize Blazer 4x4  35s no lift, 4.10s, Hella driving lights, TJ Flares, Huge bumpers, Snorkel, custom interior
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