Hi Dan,

        Good future option, but after the 1.9 was retorqued, there was no coolant leak.  And at the moment, my other two vans are finally without coolant drips. 

Eric Caron 

> On Jul 9, 2024, at 11:48 AM, Dan N <dn92610@gmail.com> wrote:
> 
> hi Eric,
> 
> I would suggest adding 2 bottles of Subaru coolant conditioner to the coolant... this is NOT a stop leak.
> 
> https://www.amazon.com/SUBARU-SOA635071-Coolant-System-Conditioner/dp/B00IGZP2UE
> 
> On Tue, Jul 9, 2024 at 3:21 AM Eric Caron <ericcaron96@comcast.net <mailto:ericcaron96@comcast.net>> wrote:
>> Hi Andrew, 
>> 
>>         Thank you for posting this.  Both for the good info, and because I didn’t see John’s message on list or in my junk.
>> 
>> I once had air build up in my 1.9 reservoir.  Dennis Haynes suggested we try to torque the heads before I did anything else.  That worked and the engine is still running today powering a friends now water cooled Bay window.
>> But, this was some air in the reservoir not blowing off a cap!
>> 
>> John, what 2.1 are you working on? 
>> 
>> Any updates on your tree loving 91?
>> 
>> Eric Caron 
>> 
>> 
>> 
>> > On Jul 7, 2024, at 5:11 PM, Andrew Berg <andrew@BERGWEB.CA <mailto:andrew@BERGWEB.CA>> wrote:
>> > 
>> > If you're driving and this happens, immediately crank your rad bleed screw a little. If a lot of air hisses out before coolant, then you likely have a bad fire ring. You can confirm with a block test kit to check for combustion gas in coolant. Sadly I encountered this and an currently rebuilding my engine.
>> > 
>> > Andrew
>> > 
>> > On Sun, Jul 7, 2024, at 4:52 PM, John Rodgers wrote:
>> >> When the pressure cap blows off the coolant tank and coolant is lost, sure
>> >> sign of blown gasket, Right? 2.1 L