[Mgs] Flushing the cooling system?

dannyvarnado dannyvarnado at cox.net
Sun Mar 8 18:31:29 MST 2009


After flushing, ALWAYS use distilled water with or without antifreeze.
Mineral deposits are usually caused by the use of tap water in cooling 
systems.
Danny V.
'58 MGA
'79 MGB V-6

----- Original Message ----- 
From: "Max Heim" <max_heim at sbcglobal.net>
To: "MG List" <mgs at autox.team.net>
Sent: Sunday, March 08, 2009 2:27 PM
Subject: Re: [Mgs] Flushing the cooling system?


> The rest of the system has a constant flow of coolant. The heater only 
> gets
> flow if the valve is open. If it is seldom opened, it can become clogged 
> (as
> you know).
>
> So, yeah, there is probably some muck, but it is unlikely anything is
> actually blocked (or you'd know about it).
>
> I have flushed systems with water from the hose (after draining the 
> coolant,
> of course). You can buy an inexpensive flush-and-fill kit that includes a
> fitting that splices into a heater hose, that has the garden hose thread.
> You have to remove the thermostat and replace the housing in order to get 
> a
> thorough flush. You also have to leave a drain open, possibly the radiator
> stopcock.
>
>
> on 3/7/09 11:03 PM, Simon Matthews at simon.d.matthews at gmail.com wrote:
>
>> On investigating why my MGA heater was not functioning, I discovered
>> that the heater control valve was completely full of scale. I do mean
>> completely.
>>
>> This made me wonder what the rest of the cooling system might be like.
>> Does anyone have any recommendations? Don't worry about it? Flush with
>> something? If so, what?
>>
>> Regards,
>> Simon
>
>
> --
>
> Max Heim
> '66 MGB GHN3L76149
> If you're near Mountain View, CA,
> it's the primer red one with chrome wires
>
>
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