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+--- Thread: Bleeding cooling system without running car (/showthread.php?tid=734)
Bleeding cooling system without running car - Niall - 04-01-2012
Is there a way to do it? I've got to take my matrix hoses off at the weekend to fit my gti6 manifold and to put the gti6 ones on but problem is, there will only be a manifold on there and no exhaust so I can't really start the car. Is there a way I can bleed the system without having to start the car?
Cheers
Re: Bleeding cooling system without running car - mark_airey - 04-01-2012
NiallHarper Wrote:Is there a way to do it? I've got to take my matrix hoses off at the weekend to fit my gti6 manifold and to put the gti6 ones on but problem is, there will only be a manifold on there and no exhaust so I can't really start the car. Is there a way I can bleed the system without having to start the car?
Cheers
As stupid as it sounds brim the header tank, cover the overflow pipe with a finger and blow into the filler hole as hard as you can making sure you get a good seal, while you (or someone helpful) unscrew the bleed nipples to let the excess air out, I know it sounds daft but it works as you are pressurizing the system in effect
Re: Bleeding cooling system without running car - Diggers - 04-01-2012
Rather than blowing I use a 2l bottle of coke filled with water and do the same get some one so squeeze it and open the screws
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Re: Bleeding cooling system without running car - mark_airey - 04-01-2012
Diggers Wrote:Rather than blowing I use a 2l bottle of coke filled with water and do the same get some one so squeeze it and open the screws
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See I tried this a few times before settling on blowing into the header tank, the end result with the bottle was always a wet mess over everything as it never seals properly into the header for me.............
Re: Bleeding cooling system without running car - 4WayDiablo - 04-01-2012
mark_airey Wrote:NiallHarper Wrote:Is there a way to do it? I've got to take my matrix hoses off at the weekend to fit my gti6 manifold and to put the gti6 ones on but problem is, there will only be a manifold on there and no exhaust so I can't really start the car. Is there a way I can bleed the system without having to start the car?
Cheers
As stupid as it sounds brim the header tank, cover the overflow pipe with a finger and blow into the filler hole as hard as you can making sure you get a good seal, while you (or someone helpful) unscrew the bleed nipples to let the excess air out, I know it sounds daft but it works as you are pressurizing the system in effect
i use this method
does the job
Re: Bleeding cooling system without running car - springs - 04-01-2012
i fill it up, cover the expansion tank hole and then blow through the overflow pipe and while doing that undo the 3 bleed points until water comes out.
Re: Bleeding cooling system without running car - mark_airey - 04-01-2012
springs Wrote:i fill it up, cover the expansion tank hole and then blow through the overflow pipe and while doing that undo the 3 bleed points until water comes out.
Same as I said then just blowing into the overflow instead of the filler
Re: Bleeding cooling system without running car - Niall - 04-01-2012
Right will give it ago! If needs be I can probs run it for a small time but seeing as the manifold won't have anything bolted to it, don't want it getting too hot and burning something lol. Also dont think the neighbours will appreciate the noise! Haha
Re: Bleeding cooling system without running car - Fozzy - 04-01-2012
Thats surely the hard way of doing it.
Way ive always done it-
Use a coke bottle cut the bottom off and use as a funnel. I wrap an elastic band around the neck and wedge it into the header tank forming a good enough water tight seal
Open all the bleed points.
Start filling
As water starts coming out of the bleed holes starting from the bottom one close them off.
The top one by the heater matrix involved filling the funnel up so it is above the header tank.
Then once all done, use you own method of pull the coke bottle out and don't get wet. Or just drain the excess out the bottom of the radiator.
Job Done
Re: Bleeding cooling system without running car - Niall - 04-01-2012
Fozzy Wrote:Thats surely the hard way of doing it.
Way ive always done it-
Use a coke bottle cut the bottom off and use as a funnel. I wrap an elastic band around the neck and wedge it into the header tank forming a good enough water tight seal
Open all the bleed points.
Start filling
As water starts coming out of the bleed holes starting from the bottom one close them off.
The top one by the heater matrix involved filling the funnel up so it is above the header tank.
Then once all done, use you own method of pull the coke bottle out and don't get wet. Or just drain the excess out the bottom of the radiator.
Job Done
Problem is this way I will need to run it up to temp to get the thermostat to open