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Old 01-05-2008, 06:58 AM
nugz's Avatar
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Chevy Cobalt Auto Trans
 
Hydra-Matic 4T45E

Specifications
Type: four-speed front-wheel-drive, electronically controlled, automatic overdrive transaxle with electronically controlled torque converter clutch.

Engine Range: 2.2L-3.5L

Max Gearbox Torque: 325 lb.-ft.

Weight: 188 lbs.

Assembly Site: Windsor, Ontario

Applications: Chevrolet: Cobalt, Malibu, Pontiac: G5, G6, Saturn Aura, Vue 4-Cylinder


Source: GMinsidenews.com
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Last edited by nugz; 01-26-2008 at 05:00 AM.
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Old 01-05-2008, 10:39 AM
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what is the difference between the 4T40E/4T45E if there is any? how do I know which one I've got?
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Old 01-05-2008, 03:50 PM
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According to the factory service manuals all auto Cobalts have the 4T45E version. Don't know the difference....

LS/LT 2.2 autos have 3.63:1 final drive ratio (38/34 tooth chain drive, 3.05 gearing)
SS 2.4 autos have 3.91:1 final drive ratio (38/34 tooth chain drive, 3.29 gearing)
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Old 01-25-2008, 06:38 PM
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How much power can the 05 LS auto tranny hold? Is it a reliable trans?
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Old 01-26-2008, 01:09 AM
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read the sheet. 325 lbs/ft of torque
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