1986 Chevrolet C30 Custom 7.4L Cooling Systems
Truck overheats only at Highway speeds. Can drive all day at 55 mph but take it to 65 or more and truck will overheat. We just purchased this Flatbed Rollback for ocassional use. Original 92k miles truck has had previous recent valve job. We installed new ...
FIX posted 8/24/2018
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Vehicle Data1986 Chevrolet C30 Custom
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Message Closed w/FIX
Vehicle Data
1986 Chevrolet C30 Custom
VIN | 1GBJC34W9G |
Engine | 7.4 L / 8 cyl / GAS |
Trans | 4-speed Standard |
Delivery | Carburetion |