Coolant loss

CHEVROLET SUBURBAN
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KEVIN G
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  • 1 POST
I have 1997 Chevy Suburban with 166,000 miles 5.7 litre V8 2WD. I have to add coolant each time I service the vehicle at the 3,000 mile interval. The radiator was replaced approxiamately 9,000 miles ago,I also replace the thermostat and gasket and flushed the system.I have noticed a pinging and lose of gas mileage. The ping sensor has been replaced as well. What can I do pinpoint the loss?
Feb 4, 2007 at 7:44 AM
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JEFTFIELDS
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you need to have the intake manafold checked out,since you didnt say if you are seeing antifreeze under the suburban,and with the loss of gasmil,it would be where i would start.
Feb 4, 2007 at 7:52 AM
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