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1989 Chevrolet C3500 Cheyenne 7.4L Surge, heavy load overheat
Greetings, This 89 1-ton has been challenging us for quite some time and now it appears to be getting worse. For about a year we have been fighting an apparent overheat condition, especially under hot ambient conditions and when pulling a heavy travel trai...
FIX posted 9/7/1999
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| VIN | 1GCGC34N6K |
| Engine | 7.4 L / 8 cyl / GAS |
| Trans | 4-speed Standard |
| Delivery | FI / TBI |
| Emissions | CA emissions |
| Symptoms | Surge, Heavy Load Overheat |
| Occurs | Hot, Cruise, Worse at 35-40 Mph Steady |
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Vehicle Data
1989 Chevrolet C3500 Cheyenne
| VIN | 1GCGC34N6K |
| Engine | 7.4 L / 8 cyl / GAS |
| Trans | 4-speed Standard |
| Delivery | FI / TBI |
| Emissions | CA emissions |
| Symptoms | Surge, Heavy Load Overheat |
| Occurs | Hot, Cruise, Worse at 35-40 Mph Steady |
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