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coolant flush procedure

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Old Aug 9, 2010 | 08:32 PM
  #1  
eff15thtee's Avatar
eff15thtee
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coolant flush procedure

maybe this is a stupid question. the coolant flush procedure in the chilton's manual states (paraphrasing): remove cap on expansion tank,
drain radiator, close petcock, remove thermostat, replace housing (without installing thermostat), remove upper radiator hose at radiator, insert garden hose in radiator. my question is: do you run the engine while the garden hose flushes the radiator or does the flow from the garden hose flush on its own? please, oh please, help!!!

my truck: 2004 (newer body style)
5.4L
 
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Old Aug 9, 2010 | 08:58 PM
  #2  
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Coskid
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From: Henrico, VA
No do not run the engine while the hose is running that runs the risk of sucking water into your engine block. It will flush on its own.
 
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Old Aug 9, 2010 | 09:10 PM
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eff15thtee
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coolant flush procedure

thanks abunch!! sometimes those "low cost" manuals can be a bit lacking.
 
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Old Aug 10, 2010 | 12:30 AM
  #4  
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mikesheldon
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Don't even try running the engine without a hose. It is not very much expensive but if u do such a mistake it will create great problem for your car.
 
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