Re: [DML] Coolant system pressure check and vacuum routing.
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Re: [DML] Coolant system pressure check and vacuum routing.

You have to fill the system to test it.  That is the only way you 
will be able to find where it is leaking.


-------------- Original message from "Tom Tait" <TTait@xxxxxxxxxx>: -------------- 

> I've just gotten my new water pump in, all new hoses etc. and am starting to 
> check the system for leaks. I'm using a pressure tester borrowed from auto 
> zone and clearly have a few leaks to find - am peaking out at 4 psi. 
> Is there any difference between checking the system dry and filling it with 
> coolant before pressure testing? I'd like to avoid filling until I'm 
> reasonably sure the system is tight. 
> Also - I've got a vacuum connection that's staring me in the face. The 
> large hose coming from the charcoal canister, forward toward the resister 
> pack, across the firewall to the passenger side and continuing on. Right 
> near the heater control valve there is a tee in this line with nothing 
> coming out of the bottom of the T. I didn't see any good reference on 
> Hervey's site, and I don't for the life of me remember what tied in there. 
> It annoys me greatly that half of the car's vacuum system doesn't make it 
> onto the diagrams I've found. Nice that we have all the engine controls 
> documented, but a leak is a leak - is there a better reference that shows 
> ALL of the vacuum in the car? 
> Tom 
> 10902 

[Non-text portions of this message have been removed]

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