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	 2009 GMC Yukon XL 1500 SLT 5.3L Oil Pressure 
		
		Noise sounds deep to us, like a knock. The engine continues to run with noise louder with increase engine rpm. Install oil pressure gauge and run engine, beginning oil pressure at 45 psi, engine noise present above idle, as engine warmed the pressure dropped t... 
                        
                            Summary posted 3/17/2017
                             
                 
                            
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         Message Closed w/Summary 
	   
	   
	   
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| VIN | 1GKFK36319 | 
| Engine | 5.3 L / 8 cyl / FLEX | 
| Trans | 6-speed Automatic (Electronic) | 
| Delivery | Fuel Injection | 
| Affected | Oil Pressure | 
| Conditions | Noise | 
Message Closed w/Summary
            
            
 Vehicle Data
                2009 GMC Yukon XL 1500 SLT
| VIN | 1GKFK36319 | 
| Engine | 5.3 L / 8 cyl / FLEX | 
| Trans | 6-speed Automatic (Electronic) | 
| Delivery | Fuel Injection | 
| Affected | Oil Pressure | 
| Conditions | Noise | 
                            
15 Replies Received
          15 Replies Received
          
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