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Chris, Thank you very much for your reply. The paranoid in me thought it could be little gas explosions, fearing a bigger bang to come. Yep it is an old boiler, and not one I'm keen to change out for a condenser. So I'll put up with the popping! I'm surprised that there should be...

Hi, I've got a Potterton Kingfisher 2 which has started to develop a popping sound when its fired up. Any suggestions as to what this might be? Cheers, Ian

Guys, Thanks for the responses.... 1) No, it doesn't feel like pushing on a brick, but the workshop manual states that the pedal will firm up as it repeatedly pushed. 2) I don't know when the brake fluid was changed last. But its done 100,000 and I got it 2 months ago from a guy that had...

Hi, My 1996 3.9V8i Discovery didn't slow too well in emergency stop situations, so today I checked the pads and the pistons/calipers. The pads where nearly at their limit, so I replaced them all round. The calipers/pistons were fine. I checked that the servo and valve were working OK, and...

Kevplumb, Nah, not touched a thing, honest guv'nor. Cheers, Ian

Bahco, Thank you for your additional help. An aerjec? Boy, that sounds like a leg-pull. Having had to cut it out before, I re-instated it with compression joints so another removal and clean out shouldn't be too fretfull. Thanks, once again, Ian

Cheers Kevplumb, I had to remove the baked bean can about 7 years ago after I'd drained the system and it wouldn't fill. You wouldn't belive the sludge that was caked on those pipes, especially to 22mm to the boiler. I put it all back with compression joints so it won't be too much grief to...

Boy, that was clever! Well, yes, and no. It does look more like a baked bean can with the 22mm pipe from the boiler on the left-hand side, the 22mm pipe to the pump on the right, and the 15mm cold-feed on the left at the top and the 22mm vent on the right at the top. (I even knocked up an...

OK, so I'm replying to my own post. But, some additional information...... Reading some of the other posts on similar subjects people were mentioning the pump sucking air in through the vent pipe - wierd, how? why? So I did a little experiment, the details of which may help/hinder others. I...

My central heating system (traditional, Potterton Kingfisher) is 'gaining air', quite significantly. It's not Gas, I've done the trick with the jar. 3 radiators are gaining air - a small upstairs shower room rad at the end of a run (gains most air), a large upstairs bedroom radiator at the...