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        General >> Problems >> Coolant System Bleeding
        
(Message started by: Steve_Rose on Oct 15^th, 2011, 3:17pm)

Title: Coolant System Bleeding
Post by Steve_Rose on Oct 15^th, 2011, 3:17pm

Hi guys. ;) . Has anyone managed to find a way of bleeding the coolant system on the 24v. Just had to change the water pump and radiator. I'm sure the thing is air locked as the heater now only gets luke warm. Temp dunt go above half though. I've heard these are well known for this.

Steve

Title: Re: Coolant System Bleeding
Post by Matt on Oct 15^th, 2011, 3:26pm

Hi steve

Never had an issue my self but i know it does happen,

first thing is have you put enough coolant in it? they drink a lot lol

let it get warm on tick over with the cap on loose (dont take it off as you may get a sudden very hot shower as the air lock come out!), keep an eye on the tank as the coolant may suddenly disappear when he stat opens.

Title: Re: Coolant System Bleeding
Post by Simmo on Oct 15^th, 2011, 3:33pm

Page 1 of 'How to do things'. The 'Jonnycab ' method. Here (http://www.fordscorpio.co.uk/cgi-bin/yabb/YaBB.pl?board=admin;action=display;num=1267895712)

Title: Re: Coolant System Bleeding
Post by Steve_Rose on Oct 15^th, 2011, 8:46pm

Thanks Matt. Thats actually the system I tried. (great minds must think alike). ;D Tried Simmo's 'Jonnycab' method and WOW. Done the trick. heater back to been hot again and she drank another 2 pints of water.

Thanks guys. ;)

Title: Re: Coolant System Bleeding
Post by Jonnycab on Oct 20^th, 2011, 4:04am

Another satisfied customer ;D

Title: Re: Coolant System Bleeding
Post by Mike H on Oct 20^th, 2011, 1:32pm

http://livinginthepast-audioweb.co.uk/images/misc/th_thumbsup.gif

Valid mention about the thermostat, 'course if it's closed refill may not get through and leave a pocket of air on the other side. Doh so obvious http://livinginthepast-audioweb.co.uk/images/misc/foreheadslap.gif

Title: Re: Coolant System Bleeding
Post by ro284 on Oct 28^th, 2011, 12:19pm

Having problems with my 2-3 again, the return to the pump is berely warm, i am trying to get the air out! i have extended the small pipe up 3 feet to the bonnet catch, i have left the filler cap on, but i am getting water right up the pipe! pouring out. it was also coming out of the tube on the Tank where the small tube was, so i put the breather hose on that to seal the tank, perhaps this is why the water reaches so high?surely water will always come out of the tank tube, i can get a scaffold to the house gutter, and the clear tube is long enough, what am i doing wrong please guys? bit thick today!!
regards Ro

Title: Re: Coolant System Bleeding
Post by Jonnycab on Oct 29^th, 2011, 3:44am

When you say the return to the water pump is barely warm, do you mean the pipe than goes from the heater matrix to the rear of the water pump ?.....If so, then it could be a blocked heater matrix :-/

Also have you checked that the thermostat is working properly ? :)

Title: Re: Coolant System Bleeding
Post by gozz on Oct 29^th, 2011, 9:25pm

Thermostat should always have a bleed hole in the valve to obviate trapped air.

Title: Re: Coolant System Bleeding
Post by ro284 on Oct 30^th, 2011, 3:24pm

Thanks for reply guys, yes the stat is only about 6 months old, and i can see the temp guage respond to the stat opening as the engine heats up, it fluctuates for a little while before settling to full hot position. The heater has got worse since i fitted a new head last year, i would like to backflush it, but not sure which way to do this,i-e from the back of the pump force water through heater and let it run out of the stat housing, or the other way round?
Bob

Title: Re: Coolant System Bleeding
Post by Tompion on Oct 30^th, 2011, 4:37pm

The coolant flows from stat through matrix to pump, so yes back flushing will be from pump end.

Title: Re: Coolant System Bleeding
Post by ro284 on Nov 5^th, 2011, 1:35pm

Thanks Tompion, The problem was the stat gasket, there is no blockage in the matrix, back-flushed it anyway all clear now.when i replaced the head, the rubber sealing gasket was too floppy, so cut it and glued it, but the rubber had gone soft again, i should have fitted a new one the first time! have heat again yippee.
Thanks Bob

Title: Re: Coolant System Bleeding
Post by Tompion on Nov 5^th, 2011, 2:24pm

Glad you got it sorted. It seems daft to me that new stat’s (from Ford at least) don’t come with a gasket.

Title: Re: Coolant System Bleeding
Post by catalina on Nov 7^th, 2011, 8:40pm

Interesting to read your saga with the 24v.
I believe that the type and location of the thermostat was changed at some stage for the 24v. One was fitted in the pipeline behind the AC compressor and was costly in time and money to replace. The other type was bolted to the engine somewhere.
Do you know which type you had please?

Cheers
John