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P0740 & P0785
Hi Guys & Gals, I have a problem on a 4L80-E trans in a 2000 Express 3500. 2 codes are shown above and trans in limp 2 and 4 gear mode. Pulled pan to see contents in fluid and to check solenoids. Found lockup sol inop and replaced both lockup and 3-2 solenoids... Login to read more. 
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| Engine | 5.7 L |
| Trans | 4-speed Automatic (Electronic) |
Vehicle Data
2000 Chevrolet Express 3500 5.7L
| Engine | 5.7 L |
| Trans | 4-speed Automatic (Electronic) |
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