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Old 03-21-2010, 12:28 PM   #1
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700r4 Overdrive Problem

The transmission will not stay in overdrive.It will go into overdrive if the car is going up a slight grade,but shifts back into third if on straight and level or slight downgrade.Anyone....Ideas....I have changed the fluid and filter twice.?????
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Old 03-21-2010, 11:55 PM   #2
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Re: 700r4 Overdrive Problem

Have you checked and adjusted the TV cable?
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Old 03-22-2010, 12:09 AM   #3
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Car: '78 GMC Sierra Heavy 1/2
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Re: 700r4 Overdrive Problem

Your system runs on both the ECM and Vaccuum Pressure, if I'm not mistaken
It will kick out of over-drive and lock-up when the engine is under load
It will only stay in over-drive under easy-load situations, mostly, on flat stretches
Changing the fluids will not help

What year is your buggy?
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Old 03-22-2010, 05:31 PM   #4
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Re: 700r4 Overdrive Problem

92 RS
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Old 03-22-2010, 05:32 PM   #5
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Re: 700r4 Overdrive Problem

Quote:
Originally Posted by camaronewbie View Post
Have you checked and adjusted the TV cable?
No I thought it might be something internal.
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Old 03-22-2010, 05:32 PM
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