Coolant

pos · Feb 20, 2008

Hello,

I obviously haven't put enough anti freeze in my water system following my rebuild because the bugger almost over heated this morning and the water was frozen solid! I think my best option is to rinse the system out and then start again, as the reservoir and heater matrix are full of a horrible rusty brown looking manked up fluid. So how do I go about doing this?

1) How do I drain every single last drop of water out of the whole system?
2) Should I put 4 litres of anti freeze back in?
3) Are there any secrets on how to wash the system out without buying fancy chemicals?

Thanks in advance for any help!
-Pos

slob · Feb 20, 2008

you can back flush it with a garden hose. if yer do a search on here you'll find all the ins and outs of back flushing

pos · Feb 20, 2008

cheers sir

pos · Feb 20, 2008

Just had a search around and can't seem to find a thread which explains exactly how to do it in enough clarity.

Could I remove the short coolant bolt on my cylinder head and then fill the radiator until water starts to come out of the top of the head? Or should I put hose pipe into cylinder head block and then wait for it to come out of the reservoir tank or radiator etc?

slob · Feb 20, 2008

try this... i int read it all so it might be bollocks

How to flush a car's radiator.

pos · Feb 20, 2008

cheers quite helpful!

chris_mack · Feb 20, 2008

you know u can end up wrecking the engine by not puttin anti freeze in...if the water freezes....sounds like u had a lucky escape!

discomania · Feb 20, 2008

Just toss in most of a gallon of antifreeze, then top up with water...

You can discon the heater pipes and run a house through until it comes out clear, likewise with the rad... Just drain the engine, sometimes backflushing an engine can cause more problems.

GRUNT · Feb 20, 2008

Put the fookin lot in an have done.

The Mad Hat Man · Feb 20, 2008

too much a/freeze is as bad as too little - the cooling properties are altered, as are the laminar flow characteristics.

GRUNT · Feb 20, 2008

Put the fookin lot in an have done.

.

The Mad Hat Man · Feb 20, 2008

ow cum yu int red, Grunt?

HybridGirl · Feb 20, 2008

The Mad Hat Man said:
ow cum yu int red, Grunt?

Coz Mondo int given him my 'blowey thing' yet.

discomania · Feb 20, 2008

Undo the 2 heater pipes and run a hose through them till they run clean, same for the rad - if its old don't be supprised if it starts to leak after this so somethings are best left alone.

Backflushing the engine is not always a good idea, if can cause problems, you obviously recently had your engine emptied to do the rebuild so drain it and run a bit of water through it to give it a bit of a clean.

Stick it all back together, take the little plug off the rad, throw most of a gallon drum of antifreeze into your rad and top up with water till its about overflowing from the rad, put the plug back in the rad and fill untill halfway up your expansion tank.

Pray the ice didn't pop your core plugs.

discomania · Feb 20, 2008

Ah its doing that echo thing again...

discomania · Feb 20, 2008

HB where you been not see you in here in a bit...

When you getting your LR from UC's?

chris_mack · Feb 20, 2008

discomania said:
Undo the 2 heater pipes and run a hose through them till they run clean, same for the rad - if its old don't be supprised if it starts to leak after this so somethings are best left alone.

Backflushing the engine is not always a good idea, if can cause problems, you obviously recently had your engine emptied to do the rebuild so drain it and run a bit of water through it to give it a bit of a clean.

Stick it all back together, take the little plug off the rad, throw most of a gallon drum of antifreeze into your rad and top up with water till its about overflowing from the rad, put the plug back in the rad and fill untill halfway up your expansion tank.

Pray the ice didn't pop your core plugs.

why fill up the rad then the expansion tank?

why cant he just fill it up through the expansion tank?

discomania · Feb 20, 2008

He can, I always just pour the coolant into the rad first so the coolant is in where its needed best then fill from the rad until its literaly just about to overflow.

If you fill from the tank at this point it will overflow as water is still going down the pipe (so you will loose some as it pours everwhere). Once at this point if he puts the plug in it will displace a little coolant thus meaning the air in the rad will be really minimal. Then top up the system from the tank.

The Mad Hat Man · Feb 20, 2008

take the opportunity to replace the bleed plugs with non-plastic ones too.

pos · Feb 20, 2008

What are core plugs?

As the water began to freeze, wouldn't it have expanded along the pipes and filled the expansion tank causing some pressure to build up in there? Thus not having a harmful effect on my engine what so ever?

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