Topic: heater cold and overflowing out of header tank (Read 7536 times)

irmsher elite · « **on:** 09 November 2014, 11:42:29 »

on way home from work this morn heater started blowing cold so pulled over opened bonnet and header tank was over flowing could this be water pump or thermostat

?
would be very greatfull of any help guys

omega3000 · « **Reply #1 on:** 09 November 2014, 11:56:55 »

Is your main radiator 'one nearest engine' cold when engine up to temperature ?

ckz · « **Reply #2 on:** 09 November 2014, 12:05:07 »

Thermostat.
If waterpump - loss of water

05omegav6 · « **Reply #3 on:** 09 November 2014, 13:28:40 »

Quote from: irmsher elite on 09 November 2014, 11:42:29

on way home from work this morn heater started blowing cold so pulled over opened bonnet and header tank was over flowing could this be water pump or thermostat ?
would be very greatfull of any help guys

What was the temperature gauge showing?

Sir Tigger KC · « **Reply #4 on:** 09 November 2014, 13:31:54 »

Does it happen when you turn the heater off? $:-\$

irmsher elite · « **Reply #5 on:** 09 November 2014, 17:16:02 »

main rad is hot and temp goes up to 95 then then overflows from header tank and heater blows cold

4x4 · « **Reply #6 on:** 09 November 2014, 17:25:53 »

You have got the rad cap on tho?

irmsher elite · « **Reply #7 on:** 09 November 2014, 17:33:47 »

yes rad cap on tight and heater on or off still does it ive taken overflow pipe off top corner of rad and not a lot coming out even when revs are picked up

05omegav6 · « **Reply #8 on:** 09 November 2014, 18:25:59 »

Sounds like the cap might have failed $:-\$ replace with new and try again

chrisgixer · « **Reply #9 on:** 09 November 2014, 20:09:02 »

Hopefully not over pressurising, and just a failed cap, or possibly split round the filler neck going by old posts.

irmsher elite · « **Reply #10 on:** 10 November 2014, 02:05:56 »

no not pressurising as no pressure when i release the cap and still nothing flowing from top hose from rad to header tank $:-\$ $:-\$ $:-\$ $:-\$ $:-\$ $:-\$ $:-\$

05omegav6 · « **Reply #11 on:** 10 November 2014, 03:23:05 »

If not pressurising then either the cap has failed... in which case, replace it...

Or the tank has failed... check for cracking around the neck...

My money is on the cap though $:-\$

Diamond Black Geezer · « **Reply #12 on:** 10 November 2014, 10:00:37 »

Fingers crossed on the cap

Not expensive, thankfully. Also good known used spares plentiful

irmsher elite · « **Reply #13 on:** 10 November 2014, 15:04:38 »

Day off today so new water pump and rad cap but when left running header tank still overflows now I'm starting to Scratch my head

Webby the Bear · « **Reply #14 on:** 10 November 2014, 15:21:47 »

I'm confused.

Is your expansion tank overflowing with cap on? If so surely you can see where it's pishing out from?

Or as usual have i missed the point?

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Author Topic: heater cold and overflowing out of header tank (Read 7536 times)

irmsher elite

heater cold and overflowing out of header tank

omega3000

Re: heater cold and overflowing out of header tank

ckz

Re: heater cold and overflowing out of header tank

05omegav6

Re: heater cold and overflowing out of header tank

Sir Tigger KC

Re: heater cold and overflowing out of header tank

irmsher elite

Re: heater cold and overflowing out of header tank

4x4

Re: heater cold and overflowing out of header tank

irmsher elite

Re: heater cold and overflowing out of header tank

05omegav6

Re: heater cold and overflowing out of header tank

chrisgixer

Re: heater cold and overflowing out of header tank

irmsher elite

Re: heater cold and overflowing out of header tank

05omegav6

Re: heater cold and overflowing out of header tank

Diamond Black Geezer

Re: heater cold and overflowing out of header tank

irmsher elite

Re: heater cold and overflowing out of header tank

Webby the Bear

Re: heater cold and overflowing out of header tank