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I have got this excellent explainer from The Samba - The booster has internal valving that, when you press the pedal, simultaneously admits fresh air into the space in front of the diaphragm and shuts off the vacuum connection to that front area. That leaves atmospheric pressure on one side of...

Curious as to why it would lock the brakes on if it was a hose issue? ... I don't fully understand the servo, but I thought when you depressed the brake it closed equalisation ports creating a vacuum and on release opened them creating balance? If that is the case wouldn't it suggest that for...

Well ... disconnected the vacuum hose and plugged. Brakes now work fine but no servo assist. Engine runs smoothly without hunting. I assume this means the servo needs a recondition/replacement? Can you get rebuild kits?

The plot thickens ... All wheels are now turning freely when the negine is off and the brakes working fine. Engine on ... brake lights lit and brakes locked on - assume it must be something to do with the servo? Vacuum return valve? If so can it be temporarily disabled ... ie disconnect the hose...

Been away for 3 years due to life. Trying to get the van back on the road. Its been parked up under a tarpaulin fo 2 1/2 years. Fired up beautifully but the brakes are siezed. Am used to this on the rear drums with the parking brake ... have freed these up and the rears are turning fine...

My two penneth worth ... hopefully it might help. Make sure you have no leaks on the intake ... at the connections to the heads and as well make sure the carb is bolted down tight enough ... can make set up impossible if not ... check vacuum hose for brakes for leak plus any hose take off for...

Interesting project Interested in if you are keeping tabs on the development of battery tech?.Presumably it will be relatively easy to drop out the battery trays? It looks like semi solid state batteries might be making an appearance this year ....and the speed that EV adoption is happening...

Ah .... but how do you know if they know their stuff ... without some input from the clever people on here ;) 8)

Hi Matt, No not got round to it yet. I know I have to fit a new exhaust and I also have a replacement manifold I need to fit. Once this is all done I will test again. If it were me I wouldn't go anywhere near the heat risers with propane ... spray some carb cleaner or such like in the vicinity...

Suggest that you also take a look where your fuel lines are ... make sure there is clear air between them and anything hot. With the ethanol in modern fuel if it gets heated up when you are stationary then it can expand and flood the system making it hard to start. I had this on mine with the...

There was a full download of the Bentley manual on the samba web site ... I printed mine out and have it in a lever arch file. In my experience Bentley tells you what to do .... The Bugme videos demonstrate how - the advantage being you can rewind and watch as many times as you want.

Lee, it may not be your thing but I found the Rick Higgins Bug Me videos a great starting point. They might be worth taking a look if you don't know them ... you can order them direct (don't know if there is a uk stockist). http://www.bugmevideo.com/index.html

If the starter motor clicks I would start with checking the motor and solenoid .... Every now and then my starter motor clicks with no joy, I use the John Muir trick of using a big screwdriver to bridge the power on the starter to check it turning - if ok I then do the second check and bring...

Thanks vinvan, I will give it a go and see how I fare ... I think getting grease in will be necessary to push the skirt of the boot down as currently it wants to stay right up at the top. Comforting to know you managed it without taking the thing apart.

I noticed whilst doing the front brakes on the van that one of the upper ball joint boots has come out from its bottom clip and slid up the shaft. The rubber is still in good condition with no tears and the retaining ring clip is still there. The joint seems good with no apparent wear or...

I found this digging around the board ... so that would seem to answer the question:-

Mine's a 71. I have a potential replacement fire wall but its from a later bay ... so i wanted to make sure it would fit as so many things are different on the early Bay.

My Bus is missing part of its firewall between engine and tank. Does anyone know if there is any difference between the early and late bay firewalls or are they inter-changeable?

Appreciate this Happy Stamps ... will try to follow on the instal. I have just noticed a couple of pin holes in the manifold heat riser .... I filled a coupled of holes last time I had the engine out as well so fear the manifold is on its way out. Am I right to assume that the aftermarket...