[DeTomaso] Complete coolant flush ?

[michael frazier]

And don't be surprised or discouraged if those plugs in the block never ever come out

without destroying them.  I don't think that's what you're after anyway.  It's not really 

how much coolant came out as how much you can get back in and how you do it.

Raise the rear, open the upper petcock on the radiator, slowly fill with coolant until

it's filled the radiator, watch for and give time for air to burp out of everything. Close it, warm it up

and most importantly REPEAT it all until you get a steady stream of coolant out of the 

top of the radiator and no bubbles burping in the swirl/pressure tank. Be careful of the pressure 

and hot coolant.  Check it again several times over the next few days.

 

Some people loosen the thermostat housing pipe to help get air out of the block.

I have plugs in the back of the heads at the high point of the water jackets to let air out

as I fill.  It all helps but more importantly, just keep checking for a while until you're satisfied.

 

Michael


 

> From: asajay at asajay.com
> To: niserybumchuckely at gmail.com; detomaso at poca.com
> Date: Wed, 31 Jul 2013 10:47:42 -0700
> Subject: Re: [DeTomaso] Complete coolant flush ?
> 
> - drain radiator as you already have.
> - loosen both radiator hoses under the car at the front of the long undercar 
> tubes and let drain.
> - remove the small pipe plugs in the block, near the front just above the 
> oil pan.
> 
> Asa
> 
> Sent using Jedi mind tricks.
> 
> -----Original message-----
> From: David Moretto <niserybumchuckely at gmail.com>
> To: detomaso at poca.com
> Sent: Wed, Jul 31, 2013 16:32:04 GMT+00:00
> Subject: [DeTomaso] Complete coolant flush?
> 
> Thanks to all for your suggestions.
> 
> I drained my coolant to get a base line on the oil/coolant issue.
> 
> The manual instructs to open petcock on the bottom of the radiator and 
> remove the pressure cap on the supply tank.
> 
> When I did that I only captured a little over 2 gallons of coolant. 
> 
> The manual states there is 6 3/8 gallons in the system.
> 
> I understand there is water trapped behind the closed thermostat and water 
> in the heater line but 4 gallons and change? 
> 
> What is the easiest way to drain ALL of my coolant?
> 
> David
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