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2008 GMC Yukon XL 1500 SLE 5.3L Transmission 1-2 shift 3-4 shift
We removed driveshaft to drop fuel tank. fuel lines were leaking. replaced lines, re-installed tank and shaft and topped off transfer case. Now after road testing truck shifting erratic almost like slipping. Problem did not exist before. GM Transmission in...
FIX posted 7/19/2019
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Related Documents & Media | VIN | 1GKFK16388 |
| Engine | 5.3 L / 8 cyl / FLEX |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Affected | Transmission 1-2 Shift 3-4 Shift |
| Conditions | Erratic Shifting, Slip? |
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Vehicle Data
2008 GMC Yukon XL 1500 SLE
| VIN | 1GKFK16388 |
| Engine | 5.3 L / 8 cyl / FLEX |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Affected | Transmission 1-2 Shift 3-4 Shift |
| Conditions | Erratic Shifting, Slip? |
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