my 73 bay is leaking fuel when I fill it is it possible to replace the filler pipe without removing the engine Has anyone cut a hatch to access the tank ?
It's a bit of a reach around through the biscuit tin lid so firewall off job to be safe.. like he said depends on engine if you can get the firewall off Sent from my SM-G930F using Tapatalk
If you've got a type 1 engine, theoretically it's possible through the "paint can" lid on the left, but it'll be a horrible job. Engine out do do properly.
...We changed our fuel sender still marmite! Bounces all over the place! Might as well guesstimate Sent from my SM-G930F using Tapatalk
If you're bouncing, likely to be the gauge itself, or the fuel gauge voltage regulator. The sender will always bounce; the damping on the gauge takes care of it.
I think this applies to most other older vehicles too. The fuel is continually slopping about so the gauge end averages out the signal. It's why it takes some time for the gauge to level up when the engine is started. I don't think you can do anything to the inner workings of the gauge but the voltage regulator can be easily checked and changed if necessary. That being said your sender may still be giving a crazy reading but it should be steady.
Mines a late 72 and the filler pipe is about 9in ( 250 ) long with a bend in it. The filler metal pipe end you can get through the paint tin lid, the tank end I cheated and cut an " inspection " panel in the bottom of the wardrobe to save removing firewall or engine.
Its a lot easier to get at the filler by taking the engine out. You need long bendy arms to get in there. Also if you can not see properly what is happening you can easily leave a hose clamp half off and make it worse with new hoses than before with splitt hoses.
Did mine (type 4) with engine in, through the paint tin lid hole and with firewall out - I did a write up on here somewhere. Not easy but do-able.
my bus has a hatch under the bed above the engine and i accessed the fuel pipe this way. but it took 4 hours! others have said it took barely one hour!