Hopefully the latter, but I ain't-so-sure!!
Just taken the disco for it's second cheeky drive since doing a recon head job.
When I got back yesterday (cheeky spin number1) I noticed that the water had dropped in header tank and had lost it's nice new coolant blue look.
Don't panic I thought, it's the first time the engines had a chance to heat up maybe it's bled air out the system and the colour could be due to over a year of dry engine/rust contaminating the coolant.
So, got back from it's second drive today, bit of a 10min beasting, and noticed no drop in water level or oil/exhaust smell from the water BUT a quiet hissing sound coming from the cap.
The temp guage has never gone over half way and leccy fan seems to be kicking in okay. Have also removed the viscous fan and the top to the radiator cowl (plastic strip thing) as the clip has broke.
Just run the engine for a minute with cap off and no bubbling or noticable exhaust fumes just a bit of steam.
Sticking my head under the bonnet as soon as the engines cut off (I got long arms I av) and I can hear about 2secs of water circulating somewhere.
I may be over analysing but as I understand you should never have enough pressure build up in the water system for expansion cap to hiss.
Could it be faulty? Or do things point to still head gasket failure (pls note I did everything by the book, no corner cutting).
Oh, one thing I haven't changed is the thermostat.
Am about to go check for trapped air in top of rad but not holding me breath.
Please someone give me peace of mind and say it will aall be okay!!!
Just taken the disco for it's second cheeky drive since doing a recon head job.
When I got back yesterday (cheeky spin number1) I noticed that the water had dropped in header tank and had lost it's nice new coolant blue look.
Don't panic I thought, it's the first time the engines had a chance to heat up maybe it's bled air out the system and the colour could be due to over a year of dry engine/rust contaminating the coolant.
So, got back from it's second drive today, bit of a 10min beasting, and noticed no drop in water level or oil/exhaust smell from the water BUT a quiet hissing sound coming from the cap.
The temp guage has never gone over half way and leccy fan seems to be kicking in okay. Have also removed the viscous fan and the top to the radiator cowl (plastic strip thing) as the clip has broke.
Just run the engine for a minute with cap off and no bubbling or noticable exhaust fumes just a bit of steam.
Sticking my head under the bonnet as soon as the engines cut off (I got long arms I av) and I can hear about 2secs of water circulating somewhere.
I may be over analysing but as I understand you should never have enough pressure build up in the water system for expansion cap to hiss.
Could it be faulty? Or do things point to still head gasket failure (pls note I did everything by the book, no corner cutting).
Oh, one thing I haven't changed is the thermostat.
Am about to go check for trapped air in top of rad but not holding me breath.
Please someone give me peace of mind and say it will aall be okay!!!
