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[TheBoy]

The HBV's have been £15 for a couple of years now.  Around the same time, OOFer's seemed to have early life failures on them.

I do tend to keep a spare on in the garage, along with a few other common-ish failures.

[Webby the Bear]

Changed the HBV today. I don't remember doing one before. Not the nicest job I've ever done but went well. For anyone else doing this a can of spray grease makes everything slide together a piece of piss. Yes it smokes like a good un but that's ok.

Found on the old one a nice big crack round the side of the single pipe so hopefully that's that........



.....touch wood

[Webby the Bear]

Evening guys. I hope you're all well. Quick question...did HBV on Saturday. Run car with cap off. Heaters working lovely. Got home (10 minute journey) coolant warning came on. No dramas. I assumed it would need that. Topped it up. Did half hour drive today. No warning light but I was doing some engine bay pottering and noticed it had dropped again (as said not enough to put light on) but is it likely it would need topping up twice after the HBV change?

In terms of how I bled it I ran it with cap off mainly idling but with a few bursts of throttle. heater on hot and blower fans off. All throughout squeezing ras hoses. Thoughts...

Cheers guys

[STEMO]

If you can't see any leaks, top it up again and it should be ok. I had my water pump changed on my last petrol astra and I had to top it up twice, but by a lesser amount the second time.

[Webby the Bear]

Cheers STEMO. yeah can't see anything. But if there is one it has to be the HBV as it's the only thing I've disturbed. Hopefully it's just a bit of air working it's way out 👍👍👍

[Nick W]

What you've described is how I sort the coolant level on mine.


It takes forever to warm up just idling with the bonnet open(and about a mile if I drive it, so there's nothing wrong with the cooling system), fondling the radiator hoses, so I:


Fill the bottle, and leave the engine running while I tidy up.


Check for leaks, and top up the bottle.


Screw the cap on, and go for a run with the heater on.


Top up the level the next time I use the car.

[Webby the Bear]

Thanks all. Well hopefully that will be that and I'll top it up once more and done 👍

[Pmacca2000]

That doesn’t happen often, normally prices only go up

[Webby the Bear]

Agreed mate. 👍👍👍

[Webby the Bear]

All sorted. got up early for a long 'spritied' drive this morning and level bang on