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1990 GMC C1500 Sierra 5.0L TCC Lockup
I am looking for any hints or tsb on the tcc locking up at 30 mph and causing a chugging. Any help will be helpful. This is my first time posting. Also I tried a aftermarket OEM prom.
FIX posted 10/25/1998
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| VIN | 2GTEC14H4L |
| Engine | 5.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI |
| Affected | TCC Lockup |
| Conditions | Lockup at Low Speed |
| Misc. | 2WD |
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Vehicle Data
1990 GMC C1500 Sierra
| VIN | 2GTEC14H4L |
| Engine | 5.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI |
| Affected | TCC Lockup |
| Conditions | Lockup at Low Speed |
| Misc. | 2WD |
Video