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sludge in coolant, 

 

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 Post subject: sludge in coolant,
Posted: Tue Feb 21, 2012 7:49 am 
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Location: umina beach
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Ef XR6
ive searched and i didnt find what i wanted so thought i might as well post a thread.



when i first brought the car the oil cap had white all oveer it so i suspected blown hwas gasket
so i checked the oil and its perfect , so i dont know is it old coolant althought its sttill green but its really misty could it be a blown head gasket its not sucking any water as i can see and the oiil is fine, rooted tranny cooler?

Any help?
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 Post subject: Re: sludge in coolant,
Posted: Tue Feb 21, 2012 8:14 am 
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whats it smell like? try getting the system flushed or at least dump the coolant out and run a fresh hose of water through the system, try again and keep any eye on it, could just be filthy old coolant, could be a head gasget, could be the trans fluid mixing, sounds like a head gasget issue if it had white all over the inside of the oil cap

 

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 Post subject: Re: sludge in coolant,
Posted: Tue Feb 21, 2012 10:22 am 
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Location: umina beach
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it just smells like really seedy coolant, there isnt any mayo on the oil filter it was on the rad cap is there any rad addative you can use to flush the coolant out? ill flush it out this week end does anybody know the flushing and bleeding process?
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 Post subject: Re: sludge in coolant,
Posted: Tue Feb 21, 2012 10:36 am 
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simple, you can buy an additive from super cheap or "rip off co"(repco) or you can get a proper flush done at a rad specialist, your best bet would be to just empty the coolant(disconnecting the rad hose), fill with water and keep draining water through the rad, remove the thermostat and flush the engine with water, put it all back together fill with water and run the car for a while(up to temperature, so drive it somewhere, drive it home, wait for it to cool down enough and look at the water, it will probably be still a bit dirty, drop it, and flush the engine/ rad again and fill it up, if you can get the water to look fairly clean after its been driven, fill with coolant again and watch itover the next few weeks. the easiest method of course is just getting it proffessionaly checked and flushed but i like to do things myself and save money here and there

 

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xr8 snorkel,typhoon lower snorkel,territory intake pipe,20% underdrive kit,pacemaker extractors,high flow cat,xforce exhaust,t56 conversion hd turbo clutch/ flywheel,m86 3.45 lsd,custom tune187.1rwkw as an auto

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 Post subject: Re: sludge in coolant,
Posted: Tue Feb 21, 2012 11:25 am 
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thanks for that, i called up a rad shop in gosford and they want 190 dollars id rather pay 30 bucks for coolant and maybe 6 bucks for water use.

Ill be doing it this saturday do you remove top of bottom ive never done a falcon radatior flush only commodores,
also how do you bleed the air out as i cant seeem to find a nipple?
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 Post subject: Re: sludge in coolant,
Posted: Tue Feb 21, 2012 11:26 am 
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Location: umina beach
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thanks for that, i called up a rad shop in gosford and they want 190 dollars id rather pay 30 bucks for coolant and maybe 6 bucks for water use.

Ill be doing it this saturday do you remove top of bottom ive never done a falcon radatior flush only commodores,
also how do you bleed the air out as i cant seeem to find a nipple?
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 Post subject: Re: sludge in coolant,
Posted: Tue Feb 21, 2012 11:40 am 
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dat111 wrote:
thanks for that, i called up a rad shop in gosford and they want 190 dollars id rather pay 30 bucks for coolant and maybe 6 bucks for water use.

Ill be doing it this saturday do you remove top of bottom ive never done a falcon radatior flush only commodores,
also how do you bleed the air out as i cant seeem to find a nipple?

you just fill the engine up with water, and squeeze the top rad hose until its full of water instead of air, all the air bubbles will surface to the header tank, then run the car with the rad cap off, at idle until the engine gets to running temp, give it a few revs if you want to get the water moving around, top up if needed, thats all i do,
drop the lower hose if you can get to it so the water can drain right out of the rad, and just flush water through the top i guess, i dont do a reverse flush unless its under presssure, i usually just run cold water through the system to clean the dirty water out, otherwise i leave it to the proffessionals, you will need to remove the top hose to take the thermostat out to put cold water into the head to clean the old water out

 

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xr8 snorkel,typhoon lower snorkel,territory intake pipe,20% underdrive kit,pacemaker extractors,high flow cat,xforce exhaust,t56 conversion hd turbo clutch/ flywheel,m86 3.45 lsd,custom tune187.1rwkw as an auto

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 Post subject: Re: sludge in coolant,
Posted: Tue Feb 21, 2012 8:21 pm 
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(don't pour cold water straight into a hot engine tho)
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 Post subject: Re: sludge in coolant,
Posted: Tue Feb 21, 2012 9:00 pm 
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Pakrat wrote:
(don't pour cold water straight into a hot engine tho)

of course

 

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xr8 snorkel,typhoon lower snorkel,territory intake pipe,20% underdrive kit,pacemaker extractors,high flow cat,xforce exhaust,t56 conversion hd turbo clutch/ flywheel,m86 3.45 lsd,custom tune187.1rwkw as an auto

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 Post subject: Re: sludge in coolant,
Posted: Tue Feb 21, 2012 9:19 pm 
Getting Side Ways
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For the less knowledged
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 Post subject: Re: sludge in coolant,
Posted: Tue Feb 21, 2012 9:49 pm 
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At the bottom of your radiator there should be a plastic drain screw. You can empty the radiator that way instead of loosening the lower radiator hose. To remove the screw simply use a socket with a long extension. WARNING - When you do it back up don't overtighten it

 

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 Post subject: Re: sludge in coolant,
Posted: Wed Feb 22, 2012 8:00 am 
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Location: umina beach
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i didnt know there was a drain plug at the bottom of the rad! Makes life a ton eaiser

with the coolant addative how do i go about that? Chuck it in and drain it or put it in and drive it around?

Thats the first thing my dad taught me dont put cold water in a hot motor.
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 Post subject: Re: sludge in coolant,
Posted: Wed Feb 22, 2012 1:33 pm 
Getting Side Ways
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Location: Coffs Harbour
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Says on the bottle how to do it
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 Post subject: Re: sludge in coolant,
Posted: Wed Feb 22, 2012 6:58 pm 
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dat111 wrote:
i didnt know there was a drain plug at the bottom of the rad! Makes life a ton eaiser

with the coolant addative how do i go about that? Chuck it in and drain it or put it in and drive it around?

Thats the first thing my dad taught me dont put cold water in a hot motor.

quite sure the engine needs to be idled/ran with it in there, i usually stick it in my car at the shop, and drive home, altho it does state not to drive on the one i buy, it says to idle for 10 minutes, but i havent had a problem

 

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BF XR6
xr8 snorkel,typhoon lower snorkel,territory intake pipe,20% underdrive kit,pacemaker extractors,high flow cat,xforce exhaust,t56 conversion hd turbo clutch/ flywheel,m86 3.45 lsd,custom tune187.1rwkw as an auto

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 Post subject: Re: sludge in coolant,
Posted: Wed Feb 22, 2012 8:34 pm 
Getting Side Ways
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Location: Coffs Harbour
NSW, Australia

We run em for half a hour of there really bad. The chemicals they contain can eat gaskets and increase corrosion of the radiator and certain components if you run em too long
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