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Fuel sender access hole, to do or not to do?
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Fuel sender access hole, to do or not to do?
To do
55%
 55%  [ 37 ]
Not to do
44%
 44%  [ 30 ]
Total Votes : 67

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Tcash
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PostPosted: Mon Jun 09, 2014 4:15 pm    Post subject: Reply with quote

Does anyone have a picture of the measurements VW gave for cutting the hole ?

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madmike
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PostPosted: Sun Jul 06, 2014 3:53 am    Post subject: Reply with quote

The pic is WRONG for a 70 bay!!!!!!!!!!!!!
hole ended up just to the right of the sender Rolling Eyes Evil or Very Mad Oh well ,, got the fuckin gauge to work after all this Laughing now to patch a big hole Embarassed
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Wildthings
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PostPosted: Sun Jul 06, 2014 8:44 am    Post subject: Reply with quote

madmike wrote:
The pic is WRONG for a 70 bay!!!!!!!!!!!!!
hole ended up just to the right of the sender Rolling Eyes Evil or Very Mad Oh well ,, got the fuckin gauge to work after all this Laughing now to patch a big hole Embarassed


If you have the correct dimensions it would be helpful if you would post them along with a pic. Wink
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madmike
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PostPosted: Tue Jul 08, 2014 5:40 am    Post subject: Reply with quote

Sorry no pic with this 'dial-up' I'm in the middle of an engine pull,,again
will post the correct measurements soon,
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Stuartzickefoose
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PostPosted: Tue Jul 08, 2014 8:38 am    Post subject: Reply with quote

Follow the hatch latch post back, and from that rib, go two ribs to the right (one rib over works, two makes more room) and cut about 4 inches from the drop off behind the seat toward the hatch. 3 sides of the square you cut, fold the fourth..


Just did this last night to my 72...i feel guilty i hacked such a rust free bus, but i need that sender out!
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Tcash
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PostPosted: Tue Jul 08, 2014 8:50 am    Post subject: Reply with quote

madmike wrote:
The pic is WRONG for a 70 bay!!!!!!!!!!!!!
hole ended up just to the right of the sender Rolling Eyes Evil or Very Mad Oh well ,, got the fuckin gauge to work after all this Laughing now to patch a big hole Embarassed


That is weird. The engine cover in the picture looks like an early one 68-71. Unless they used an old picture.
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Early
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Late
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How much was it off?
Thanks
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PostPosted: Thu Jul 10, 2014 5:49 am    Post subject: Reply with quote

madmike wrote:
The pic is WRONG for a 70 bay!!!!!!!!!!!!!
hole ended up just to the right of the sender Rolling Eyes Evil or Very Mad Oh well ,, got the fuckin gauge to work after all this Laughing now to patch a big hole Embarassed


Mike, could you let us know the right measurements? Planning to do this on my 1970 bus... Cheers!
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madmike
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PostPosted: Fri Jul 11, 2014 4:34 am    Post subject: Reply with quote

800mm from the left and 880mm from the hatch will put the hole smack dab in the middle of the sending unit Wink
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Wildthings
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PostPosted: Fri Jul 11, 2014 9:01 am    Post subject: Reply with quote

madmike wrote:
800mm from the left and 880mm from the hatch will put the hole smack dab in the middle of the sending unit Wink


That sounds to be almost exactly what the VW instructions say, only about 1/4" off on the center of the hole, right to left.
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Tcash
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PostPosted: Fri Jul 11, 2014 11:09 am    Post subject: Gas Tanks Reply with quote

Thanks madmike

It appears the 71 sender unit is in a different location.

Which tank do you have.


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68-70 baywindow gas tank

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71 Gas Tank


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72 fuel/gas tank
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Tcash
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PostPosted: Sun Dec 07, 2014 3:30 pm    Post subject: Fuel Sender Access Hole Reply with quote

Early
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Late
Thanks to Speedy Jim's
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WhirledTraveller
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PostPosted: Thu Oct 15, 2015 3:38 pm    Post subject: Reply with quote

FWIW I changed out my sender today without cutting an access hole and without pulling the tank. I did have the engine out but I could have done it easily without doing so (well, not as easy, but easy enough).

Just pull the firewall, take the vent tubes out of the way (change your rubber lines, mine practically crumbled into dust), then use a suitable tool and a mallet to tap tap tap the sender around. You can angle it around the forward LH side of the bus and out.

Hope my crappy aftermarket sender holds up. I did test it but the quality seems suspect. I can see how an access hole would be great if you had to do this all the time but if it's just a once every 5-10 year sort of thing it seems like more work to cut the hole.
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PostPosted: Thu Oct 15, 2015 7:57 pm    Post subject: Reply with quote

Your aftermarket sender with shit the bed within a year.
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PostPosted: Thu Oct 15, 2015 8:31 pm    Post subject: Reply with quote

aeromech wrote:
Your aftermarket sender with shit the bed within a year.


Probably you're right but I don't know what else to do. I held onto my old one and maybe some winter evening I'll try repairing it with new wire according to that post somebody made. I wish there was an easy way to adapt an aircraft capacitive sender, no moving parts. But they output 0-5v which is incompatible with the VW gauge.
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PostPosted: Fri Oct 16, 2015 6:25 am    Post subject: Reply with quote

I just replaced an aftermarket sender a couple months ago that looked really new. I installed an original VDO sender that had the Telford Repair done to it. That baby will last decades.
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Wireless
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PostPosted: Tue Jan 19, 2016 7:10 am    Post subject: Re: Fuel sender access hole, to do or not to do? Reply with quote

I have an old 73 412 I keep for spares, as I have another 412, and am currently stripping the interior from my 76 Bay, and having the fuel gauge only registering the top 16 litres of fuel from full to empty, I believe I need to adjust the arm on my existing fuel sender to register the full tank from full to empty.

So I'm looking to fit one of these access panels.

I mentioned the 412 because in the load floor behind the rear seat is an access panel for the Eberspacher, and this looks identical to the one shown in the early illustration / pictures.

I think I'll be buying a new fuel sender for the Bay, and removing this 412 panel on the spares car, to see whether I'm right.

With the VW parts bin used as it was, I bet I'm right.
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PostPosted: Tue Feb 14, 2017 9:26 am    Post subject: Reply with quote

rubbachicken wrote:
aeromech wrote:
Lettuce wrote:
you guys are worried about fumes entering the bus... there should be no fumes coming from the tank


Accidents happen.


people also happen, ignore the cut in the tank, this bay tank had 5 screw holes in it, from a PO who fitted a home made interior, i guess they only had looooong screws

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This picture reminds me of one of my local acquaintances, who installed a second-hand campervan interior into his 1973~79 VW "1700" Type 2 Kombi.

Either through ignorance or stupidity, he ended up drilling five holes in his fuel tank which resulted in a smell of petrol, of which he could not isolate the source, until I starting interrogating him.

Ultimately I supplied him with a second-hand 1974 VW 1800 Type 2 fuel tank I had spare, and took his perforated fuel tank in part exchange, which I later had repair-welded by another of my acquaintances, who many years earlier had repair-welded my corrosion-damaged Triumph Toledo (an amazing car, not sold in North America!) fuel tank.
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PostPosted: Tue Feb 14, 2017 9:32 am    Post subject: Re: Fuel Sender Access Hole Reply with quote

Late
Thanks to Speedy Jim's
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[/quote]

Only the 1973 VW 17/18/2000 Type 2s had the horizontal, engine-compartment-ceiling, inspection-hatch.

The 1972 VW 1700 Type 2s and the 1972~79 VW 1600 Type 2s (including my 1973 VW 1600 Type 2) do NOT have the horizontal, engine-compartment-ceiling, inspection-hatch.
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PostPosted: Tue Feb 14, 2017 9:50 am    Post subject: Re: Fuel sender access hole, to do or not to do? Reply with quote

Got to ask,how often does the sender need service,I have owned probably 30 cars over the years,and only 1 or 2 times have I had to service a fuel sender.I have never cut a hole in a trunk or the box of a truck the get at it,don't think I would do it to the bus,also it may be a fire hazard unless the hole is well sealed.
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PostPosted: Tue Feb 14, 2017 10:00 am    Post subject: Re: Fuel sender access hole, to do or not to do? Reply with quote

I think I'm going to do it to my bus and here's why. The PO of my bus did an amazing job restoring the tank, engine compartment, and installing the engine. It's a work of art. The thing is that he must have installed an aftermarket fuel sender while doing the work and it's been in there for a few years. Now it's taken a shit. I have an original VDO sender that I want to install that's been repaired by Telford Dorr. So, do I want to pull the tank or cut a hole? I'm going with the logic that says VW would have installed an access hole if they could have but decided to keep things cheap and simple. I have donor metal to make the door. When i'm done I'm hoping that the access hole will look factory. I've done this a couple times so I know pretty well where to cut the hole.
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