 
				
	| 1999 Chevrolet C2500 5.7L Rear Brakes Rear Brakes are locking up sometimes more so when hot. Possible Combo/Proportioning valve but no way to test it and a new one is expensive although works fine when cold. No brake codes and system is properly blead. This is the Master vac. assisted type (not th... 
                        
                            FIX posted 1/12/2012
                               
                    iATN Members:  Login to view full TechHelp request Auto Repair Pros: Join iATN to read this TechHelp request Vehicle Owners: Find a nearby iATN member to repair your vehicle 11 Replies Received (View Replies)11 Replies Received (Hide Replies)
 | Message Closed w/FIX 
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| VIN | 1GBGC24R8X | 
| Engine | 5.7 L / 8 cyl / GAS | 
| Trans | 4-speed Automatic (Electronic) | 
| Delivery | Fuel Injection | 
| Affected | Rear Brakes | 
| Conditions | Locks Up | 
| Misc. | Utility Box | 
Message Closed w/FIX
            
             Vehicle Data
 Vehicle Data
                1999 Chevrolet C2500
| VIN | 1GBGC24R8X | 
| Engine | 5.7 L / 8 cyl / GAS | 
| Trans | 4-speed Automatic (Electronic) | 
| Delivery | Fuel Injection | 
| Affected | Rear Brakes | 
| Conditions | Locks Up | 
| Misc. | Utility Box | 
 11 Replies Received
11 Replies Received
 11 Replies Received
          11 Replies Received
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