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Model specific boards => Golf mk4 => Topic started by: andc1 on 28 June 2014, 23:21

Title: loosing water
Post by: andc1 on 28 June 2014, 23:21

I'm loosing water our from the coolant tank. Seems to be coming out from the overflow bit. I've replaced the rank but to no effect . It flows out and runs out of water . Any ideas ?

Title: Re: loosing water
Post by: scarr89 on 29 June 2014, 08:42

Check all of your connections to the rad. Some times the old hoses perish and crack.

Title: Re: loosing water
Post by: Dalo Harkin on 30 June 2014, 12:53

If it's coming from the overflow then its overheating or you are overfilling

Title: Re: loosing water
Post by: james2 on 30 June 2014, 14:35

Quote from: andc1 on 28 June 2014, 23:21

I'm loosing water our from the coolant tank. Seems to be coming out from the overflow bit. I've replaced the rank but to no effect . It flows out and runs out of water . Any ideas ?

Head gasket proberly.

Title: Re: loosing water
Post by: Wazzzer on 30 June 2014, 17:50

is there an overflow?

Title: Re: loosing water
Post by: andc1 on 07 July 2014, 18:38

Yes it leaks out of the over flow on the tank. 

Title: Re: loosing water
Post by: andc1 on 07 July 2014, 21:21

How easy is it to change head gasket ?

Title: Re: loosing water
Post by: Ant1981 on 08 July 2014, 07:54

Quote from: andc1 on 07 July 2014, 21:21

How easy is it to change head gasket ?

Not that difficult, depending on how involved with cars and mechanical things you like to be. I ought to do a write up as I've replaced mine after I had the head off for a rebuild.

Title: Re: loosing water
Post by: Dalo Harkin on 08 July 2014, 12:59

have you taken the top hose off the coolant tank and held it over the filler part and then started the engine, this will show the speed of the water being pumped around the system, and potentially any blockages if there are any.

I would guess yours is getting too hot and then coming out of the overflow, meaning its overheating, could be the water pump is shot but this will show in the above test because the coolant will be moving slowly