[s-cars] Coolant Boiling

[Tom Green]

There  are some products for testing for combustion gases in coolant  
that
are pretty definitive for headgasket failure or cracked head.  The  
local auto
parts or a radiator shop probably has it.  There aren't any other  
ways to heat
the coolant that quickly throughout the system, though.  A water pump  
failure
can cause quick overheating but it can't progress through the  
radiator and
hoses so quick.  That could have been the initial failure, though,  
that caused
the head to overheat and gasket to fail. ??

Also check for milky oil since the failure can progress to oil passages.

I can't think of any better news, Tim.

Tom

> Date: Tue, 29 Jul 2008 14:17:09 -0400
> From: Robert Myers <bob at chips-ur-s.com>
> Subject: Re: [s-cars] Coolant Boiling
> To: "Tim Larson" <timlars at gmail.com>
> Cc: s-car-list at audifans.com
> Message-ID: <auto-000000102751 at chips-ur-s.com>
> Content-Type: text/plain; charset="us-ascii"; format=flowed
>
>
> This could be a head gasket leaking into the cooling
> system.  Checking compression might be a very good idea for you, Tim.
>
>
> At 02:12 PM 7/29/2008, Tim Larson wrote:
>> Looking for a place to start diagnosing the problem.  Coolant  
>> boils over
>> when temperature gauge still reads below normal.  Normally the car  
>> hasn't
>> even been running for more than 5-10 mins.  Don't think its the  
>> sensor
>> because I had that replaced about a year ago (of course it doesn't  
>> mean it
>> can't be the problem).  Thermostat wasn't replaced long before  
>> that.  All of
>> the coolant hoses and the radiator are hot too the touch.  Anyone  
>> have any
>> ideas on where to start looking???
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