Hey peeps, gonna do a coolant change and wondered what the best way to go about it would be! Is there a drain plug in the rad does anyone know?
Don't think there is a drain plug, so just whip off the bottom hose and let it gush out
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Hmmm, I thought the main hose joined the rad half way up on the right?Originally Posted by Rusty 16v
Will check later, what do you think about taking the rad out and giving it a blast through? Thought it may be worth it considering it takes like 2 mins to take it out......
I want to do a coolant change to, was thinking of doing the hose trick with the rad pipe off and the engine running.
Not sure about taking the rad out, seems like a good idea though
washing powder works well to flush your coolant system, just put it in the header tank, let the car warm up and then drain it out, you could also take the thermostat off and the lower rad hose and put a hose pipe where the stat goes and flush it through
Originally Posted by novavalve
Dosn't washing powder have alot of salts in it??? dosn't this corrode
metal Was always told never to wash your car with washing up
liquid for the same reason, as it corrodes the bodywork.
befor you drain the system get a rad flush or if you cant get one then use an acid wheel cleaner or a degresser and put about 1/2 liter in the coolent bottle and run engine up to temp then leve irt running for another 5-10 mins then drain the system.
also leve the heater on hot whilst running it up so the collent/cleaner enters the heater matrix.
the flush the system with clean water by removeing the bottom hose and put a hosepipe in the header tank.
then remove both hoses to the header tank and run the hose pipe thro one of then.
after flushing refit all pipe and fill up to max on the coolant tank witha a 50-50 mix of collent/water.
put heater on hot and run car up to half way on the gauge then put the cap on the collant tank, then run untill the fan cuts in then out.
level to cool and rechek the level.
thats how i manule clean,refil and bleed a collent system at work.
of if you have a pressure bleeder use that.
Thats on the righthand side of the rad, on the left hand side at the very bottom is the other hose, after all there had to be two main hoses didnt thereOriginally Posted by coolamasta
I used radflush (2part) in my system then flushed through with a pressure washer, done the job well, many 100's of miles later and the coolant in the header is still a lovely pink colour, not dirty at all.
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bets way ive done is to take the small pipe of the rad and stick the garden hose on it, remove the headder tank cap and turn the tap on and leave for 10 mins with tap on, the drain it out the lowest hose, usally the bottom rad one the fill up as normal
Err, yeah I know what your saying m8, the tope left on the rad is the pipe from the thermostat, and on the right the pipe comes out half way up, there are no pipes coming off the bottom of the rad which is why I wondered should I take the whole rad out and put a pressure washer through it?Originally Posted by BASStra
Cheers for the help peeps....