2001 Chevy Tahoe Help please

2001 CHEVROLET TAHOE
106,000 MILES • V8 • 4WD • AUTOMATIC
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BIGCOUNTRYBR
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Gentlemen-
I currently own a 2001 chevy tahoe 106k. Just recently it has started to lag while shifting gears. Especially in the first three if I go slow. When it gets to where it would normally shift it rev’s almost like it doesn’t have enough torque to switch gears. If I stay on the acceleration pretty hard I cannot notice it, but when I make a 90 turn on a corner 10-20mph and then I give it gas it almost like it was never in gear. Any help would be greatly appreciated. The only two things I can guess is either my tranny is about to go to spiltsville or maybe my torque converter is bad.
Feb 9, 2009 at 9:24 AM
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DOCFIXIT
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Is fluid level good ? has the fluid and filter been changed in the 106k miles? if this is all good then trans needs to be on a scanner to check speed sensors and shift solenoids operation.
Feb 10, 2009 at 10:54 AM
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BIGCOUNTRYBR
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Fluid level checked out fine. Changed the fluid and filter at 93k when it was previously giving me problems and it worked itself out. Now that i just typed that i realized that it's time to change it again or at least the filter (every 12k-15k.)

I just replaced my knock sensors (under the intake manifold) two days later my water pump went and thats when it began to be noticable, especially around turns.

When I got in home that night it leaked out a whole lot of coolant, which at first i thought was tranny fluid. With the water pump replaced it still does it. Would one have anything to do with the other? Do i need to drive it and see if it'll adjust?

I'm trying to fix/make sure it's not something else before i take it to a tranny shop and they want $1500 to service it.

I really appreciate your help. thank you.
Feb 10, 2009 at 4:48 PM
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DOCFIXIT
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Faulty speed sensors or shift solenoids can cause late shift. That is why a scanner is necessary to check there operation.
Feb 10, 2009 at 4:59 PM
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