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Instrument 40

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Instrument 40 Enthusiast

Instrument 40

Posted
Posted

2000 Sil. 5.3, 2 wd. 55K. I am having a problem with no mid range throttle response. Its as if its struggling from about 40 to 60 mph. If I floor it then I get great response. But if I am moving along in traffic and want to ease up its like it just doesn't have the same response as from take off. Any ideas??

toddgotfish Enthusiast

toddgotfish

Posted
Posted

for some reason the shift points are different than on the 99 mods

my 99 just had to barely push the pedal at 40 and the convertor would

unlock and away we go

but my 00 sierra just seems to take more and more pedal bfore it will down

shift

by the way what kind of mileage do you get

wish i had my 99 driveline in my 00 sierra

got 19 mpg out of my 99

15.7 tops out of my 00

Butch 02 Denali Enthusiast

Butch 02 Denali

Posted
Posted
2000 Sil. 5.3, 2 wd. 55K. I am having a problem with no mid range throttle response. Its as if its struggling from about 40 to 60 mph. If I floor it then I get great response. But if I am moving along in traffic and want to ease up its like it just doesn't have the same response as from take off. Any ideas??

Definatly the torque converter locking up. Flooring it unlocks the clutch. Really no way to cure it other than custom programming. Have you thought of a Wester's PCM? Wester's can boost your low and midrange torque quite a bit, and raise the clutch lock-up speed, and make the clutch release with less throttle pressure. It makes the truck feel like you put a big block in it!

 

Butch 02 Sierra Denali

2001 HD Enthusiast

2001 HD

Posted
Posted

I'm with shaners. Hopefully the previous owner recorded maintenence in the owners manual. If not, assume it's never been done. You may be getting close to a transmission filter change or at least a flush.

 

:withstupid:

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