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Frank Parker (Parkerfe)
Intermediate Member
Username: Parkerfe

Post Number: 1269
Registered: 9-2001
Posted on Wednesday, August 28, 2002 - 2:56 pm:   

Drew, they disconnect a hose in the system and place the flusher in-line. On my 348 Spider a hose was disconnected in the far left side of the engine toward the front.
Drew Altemara (Drewa)
New member
Username: Drewa

Post Number: 47
Registered: 2-2002
Posted on Wednesday, August 28, 2002 - 2:06 pm:   

Frank,

I'm just curious. Where do they put the fluid in and where do they remove it from? Does it flow expansion tank to radiator dump valve?

Drew
Drew Altemara (Drewa)
New member
Username: Drewa

Post Number: 46
Registered: 2-2002
Posted on Wednesday, August 28, 2002 - 2:05 pm:   

Frank,

I'm just curious. Where do they put the fluid in and where do they remove it from? Does it flow expansion tank to radiator dumnp valve?

Drew
Frank Parker (Parkerfe)
Intermediate Member
Username: Parkerfe

Post Number: 1267
Registered: 9-2001
Posted on Wednesday, August 28, 2002 - 1:18 pm:   

While a garden hose may work, I like the power flushers most radiator shops have. It first pushes out the old fluid as a cleaner flows in. The cleaner is then pushed out as the new fluid flows in. This is all done a a low pressure. The old fluid is captured in a tank so you can look at it for any signs of oil and or other problems. I had my 348 Spider done for around a $100.00.
Fred (Iluv4res)
Junior Member
Username: Iluv4res

Post Number: 74
Registered: 8-2002
Posted on Wednesday, August 28, 2002 - 12:39 pm:   

You should drain all of the coolant first. Then change the thermostat.

This is a great chance to flush. While everythings apart, you can hook up a garden hose to a rubber bulb, used for home drain clogs, and turn on the hose at low pressure. This does a great job of flusing the system. Just make sure it's at low pressure and the coolant hoses are disconnected so the water can flow out.

If you do the flush, I would fill with coolant, drive a bit, let cool, and then drain and refill with fresh coolant. This way there are no impurities left in the engine and/or floating around in the coolant.
Frank Parker (Parkerfe)
Intermediate Member
Username: Parkerfe

Post Number: 1265
Registered: 9-2001
Posted on Wednesday, August 28, 2002 - 12:29 pm:   

If its never been done you need to have the cooling system power flushed. After I bought my 348 Spider I had its cooling system power flushed. Although the coolant looked good in the tank, you wouldn't believe the crud that was flushed out of the system.
Paul Newman (Newman)
Member
Username: Newman

Post Number: 381
Registered: 12-2001
Posted on Wednesday, August 28, 2002 - 12:28 pm:   

Im assuming you mean the engine thermostat. I would drain first to prevent a major mess, change and refill. then bleed out the air.
89TCab (Jmg)
Member
Username: Jmg

Post Number: 257
Registered: 9-2001
Posted on Wednesday, August 28, 2002 - 12:17 pm:   

I am going to replace my thermostat (Mondial T) and I wanted to know if I should drain my coolant first, or pull and then let the coolant drain out from there or if in fact the thermostat actually reads without being in the coolant and I can simply switch out.

Thanks,
JMG

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