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Flush Oily Radiator
 Moderated by: MaDMaXX, Mike69, NoPower
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 Posted: Thu Oct 26th, 2017 03:30 am
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loomdog32
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Well, time to flush the old Radiator. There is an oil film over most of the cooling system, so, I assume this continues thru the radiator. 
I plan on pulling the rad and cleaning it out with soapy water. Let that run thru it till it runs clean.
Any other suggestions? Should I wait till the engine is back together and flush it that way?



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 Posted: Thu Oct 26th, 2017 09:05 am
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Undrstm8ed
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loomdog32 wrote: Well, time to flush the old Radiator. There is an oil film over most of the cooling system, so, I assume this continues thru the radiator. 
I plan on pulling the rad and cleaning it out with soapy water. Let that run thru it till it runs clean.
Any other suggestions? Should I wait till the engine is back together and flush it that way?

I almost wanted to say Simple green in very light use but you could use a mild low sudsing detergent shouldn't do anything but the coolant issue you have just may be broken down coolant. I always use to think fresh coolant had a degreasing effect on oily surfaces.. maybe not. Liquid Tide seems to work well for flushing and it doesn't have the caustic ingredients that simple green has so less chance of head gasket damage

Count on replacing all of the rubber hoses after you clean the system, the oil will weaken and soften the coolant hoses and you may have one or more split or slide off its connection point BTDT




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 Posted: Thu Oct 26th, 2017 09:06 pm
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loomdog32
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Undrstm8ed wrote: loomdog32 wrote: Well, time to flush the old Radiator. There is an oil film over most of the cooling system, so, I assume this continues thru the radiator. 
I plan on pulling the rad and cleaning it out with soapy water. Let that run thru it till it runs clean.
Any other suggestions? Should I wait till the engine is back together and flush it that way?

I almost wanted to say Simple green in very light use but you could use a mild low sudsing detergent shouldn't do anything but the coolant issue you have just may be broken down coolant. I always use to think fresh coolant had a degreasing effect on oily surfaces.. maybe not. Liquid Tide seems to work well for flushing and it doesn't have the caustic ingredients that simple green has so less chance of head gasket damage

Count on replacing all of the rubber hoses after you clean the system, the oil will weaken and soften the coolant hoses and you may have one or more split or slide off its connection point BTDT



The top end of the engine is currently off for bad head gasket / cracked heads. Most of the under hood rubber was o brittle it cracked wen I touched it. The heater hose fell apart at clamp on the firewall. So, all rubber underhood is being replaced. The both the Rad and Overflow tank are currently off the truck, so they will be cleaned individually. 



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 Posted: Fri Oct 27th, 2017 12:03 am
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Yea.. lol sounds like it



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"Be never first, never last and never noticed." - Unknown

"The slave is held most securely when he is held by the chains of his own will and of his own fears, and when he is locked down by his own slavish desires for a comfortable life." - Michael Bunker

"Mundus vult decipi, ergo decipiatur. Mundus vult decipi, ergo decipiatur" - ~ attributed to Petronius (Gaius Petronius Arbiter (ca. 27–66 AD))
Roman courtier during the reign of Nero.

"Those who expect to reap the blessings of freedom, must, like men, undergo the fatigue of supporting it." - Thomas Paine


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 Posted: Sat Oct 28th, 2017 04:50 pm
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Bump since it wasn't showing.



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 Posted: Sat Oct 28th, 2017 06:47 pm
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loomdog32
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Well, not sure if this was the correct way to do this, but this is how I did it.

I removed the radiator from the engine bay. Took dish soap and ran the hose thru the radiator till the suds were gone. Did that 5 times.

I am hoping to have the Ranger back together and running by Monday, so hopefully Ill know soon....



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 Posted: Sat Oct 28th, 2017 07:44 pm
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JAMMAN

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I don't think you did any harm. Dish soap well any soap for that matter is higher on the PH scale and cuts grease well. I'm betting it will work just fine.



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