Welcome to Ultimate Subaru Message Board, my lurker friend!
|Welcome to Ultimate Subaru Message Board, an unparalleled Subaru community full of the greatest Subaru gurus and modders on the planet! We offer technical information and discussion about all things Subaru, the best and most popular all wheel drive vehicles ever created.
We offer all this information for free to everyone, even lurkers like you! All we ask in return is that you sign up and give back some of what you get out - without our awesome registered users none of this would be possible! Plus, you get way more great stuff as a member! Lurk to lose, participate to WIN*!
* The joy of participation and being generally awesome constitutes winning
** Not an actual guarantee, but seriously, you probably won't regret it!
Serving the Subaru Community since May 18th, 1998!
interesting coolant advice for the 2.5s airbubble problem
Posted 08 September 2004 - 08:10 PM
Apparently the only thing the subaru dealerships do differently to fill up the coolant system is to fill it from the upper radiator hose.
of course you know fill it from the radiator, then remove the upper radiator hose from the radiator and start filling it up. Apparently this removes one huge air pocket. Thus no need to burp the system or worry about air pockets.
Don't know if anyone knew this just yet. But thought I would post it anyways since it seems to be pretty helpful
Posted 09 September 2004 - 12:57 AM
Posted 09 September 2004 - 09:35 AM
The coolant is poured directly into the engine through the top hose, and the system air is displaced out of the top radiator hose opening? Is the rad-cap removed?
I'm having a hard time trying to picture how this removes air from the highest part of the system (e.g. the area around the radiator filler neck). I'm not saying it doesn't, just trying to get a handle on why it works.
The best air removal I've achieved to date is warming and burping with the big funnel device and the front of the car elevated on ramps, but I'm still not convinced that I'm getting all the air out.
Posted 09 September 2004 - 10:09 AM
Posted 09 September 2004 - 01:27 PM
Posted 09 September 2004 - 03:57 PM
So with this method, afterwards you don't have to bring it up to temp with the cap off to chase out any remaining air?
Seems like even after I burp my system completely out, I still have to add another 8 oz. or so to the overflow after a couple driving cycles.
Posted 09 September 2004 - 08:18 PM
Posted 10 September 2004 - 01:03 AM
Posted 10 September 2004 - 09:54 AM
Several months back I'd asked for info on a source for the "funnel device" thingy, and I'd like to thank whoever it was that put up this link:
I bought one of these and I love it. It allows me to warm the engine till the thermostat is fully open, and I can rev the motor and burp the top hose till the cows come home and all the bubbles stop, and not a drop of coolant is spilled (OK, maybe a drop). Really a fantastic plastic device.
0 user(s) are reading this topic
0 members, 0 guests, 0 anonymous users