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Silverado & Fullsize Pick-ups The Silverado has been one of the best selling trucks in the US for decades, and is truly proven to be "like a rock".

2014 Chevy Silverado
Platform: Truck, GMT 400, 800, & 900
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  #1  
Old 05-12-2007, 10:12 PM
 
Join Date: May 2007
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Posts: 72
Default 89 chevy 700r4 trans problem. lock-up?

now that the truck runs, i have one more problem. the 700r4 transmission is making a clicking noise. ussily you hear it at lowidel oracceleration. quiet at cruising.NOTE: i have just removed a fuel injected 4.3, and swaped with a new gm goodwrench carberated 350. is this noise from not having lockup. i have ordered the vacume controled lock up kit. just havent gottin it yet. also what does luckup do?

Transmission fluid is fine
i serviced the trans wile i had it out of the truck.
Thank you
Phil
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2003 silverado ext Z71 W/ 5.3 ltr

1989 C1500 shortbed W/ 5.7 ltr
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Old 05-12-2007, 11:23 PM
 
Join Date: Mar 2007
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Posts: 32
Default RE: 89 chevy 700r4 trans problem. lock-up?

Look for cracks in the flex platethey will make a ticking sound. When the torque converter is locked up there is no slippage meaning all power is getting to the tranny this is usually achieved in overdrive.
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Brian J Erickson
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Old 05-13-2007, 09:26 AM
 
Join Date: May 2007
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Posts: 72
Default RE: 89 chevy 700r4 trans problem. lock-up?

Thanks Brian,

Ireplaced the flexplate with a new one. but i wouldent be suprised that it has cracks in it. i drove it 3 miles when i heard the clicking. it was cheap and the only the had at the auto parts store.

thanks agian.
Phil
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2003 silverado ext Z71 W/ 5.3 ltr

1989 C1500 shortbed W/ 5.7 ltr
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Old 05-13-2007, 09:26 AM
 
 
 
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350, 700r4, 89, carberated, chevy, convert, converter, forum, fuel, injected, lock, lockup, make, problem, problems, sound, ticking, torque, trans


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