Audi 100 fuel pump relay? Where?!?

theschmallfella · 20-06-14, 08:25 PM

Hey guys, this is driving me round the twist, I cannot for the life of me find the fuel pump relay in my Dads 100. It looks like someone moved the ones under the dash around the place, but, I actually don't know which relay is the fuel pump relay. Can someone please put me out of my misery and tell me what number it is, and I don't mean the part number, just that big white one on top. And before anyone says to look at the diagram on the kick panel, forget it, it doesn't even mention the relay!

Ignore the two relays to the right of the electric windows relay, they're for the headlight dip/dim arm on the steering column...

theschmallfella · 20-06-14, 11:04 PM

Seriously guys, no one?????

It's a 1989 100E, 2 litre. I know it's a simple enough thing but I'm bogged down here, come on guys, there's plenty of Type 44 owners here.

jack1 · 20-06-14, 11:16 PM

is the relay not under the hood with the fuses?

jack1 · 20-06-14, 11:20 PM

Quote:

Originally Posted by jack1

is the relay not under the hood with the fuses?

it should from my recollection,, the 229 or 275 ,, if no one else helps I should know by tomorrow eve,,,, I gather you have tested the pump

msh · 20-06-14, 11:29 PM

You're wrong, it should be 213 or 215, at least when B3 or C3 has engine that has management powerful enough to be able to turn on the relay - like the RT here.

Relay in question in this case is one with number 263, because it occupies the place where fuel pump relay should be.

theschmallfella · 20-06-14, 11:36 PM

Quote:

Originally Posted by jack1

it should from my recollection,, the 229 or 275 ,, if no one else helps I should know by tomorrow eve,,,, I gather you have tested the pump

According to the cover on the fuse board there's no mention of it,only the fuse itself. There's a brand new pump gone in so the relay was my next port of call for testing.

theschmallfella · 20-06-14, 11:41 PM

Quote:

Originally Posted by msh

You're wrong, it should be 213 or 215, at least when B3 or C3 has engine that has management powerful enough to be able to turn on the relay - like the RT here.

Relay in question in this case is one with number 263, because it occupies the place where fuel pump relay should be.

It is an RT engine alright. So just to clarify MSH is it the 263 the fuel pump relay?

theschmallfella · 20-06-14, 11:42 PM

By the way thanks for taking the time to reply guys, it's very much appreciated. My head is melted from it!

missfire · 20-06-14, 11:48 PM

Dunno on yours because there was a lot of changes pre/post 1991 but I've got three made in 1991 and on all of them the fuel pump relay is right in the middle of the fusebox under the bonnet, 215, it's got a place to stick a fuse in the top, you can use this to 'jump' the pump and trigger fault codes or output tests I think. If you stick a fuse in it!

missfire · 20-06-14, 11:49 PM

That 263 is where the pump relay should be, yes.

20-06-14, 11:04 PM	#2
theschmallfella Grown up member Classic Audi Club Member Join Date: Sep 2011 Location: Back in the Emerald Isle Posts: 772	Seriously guys, no one????? It's a 1989 100E, 2 litre. I know it's a simple enough thing but I'm bogged down here, come on guys, there's plenty of Type 44 owners here.

20-06-14, 11:16 PM	#3
jack1 4 ring whore! Classic Audi Club Member Join Date: Apr 2009 Posts: 2,319	is the relay not under the hood with the fuses?

20-06-14, 11:29 PM	#5
msh 4 ring whore! Join Date: Jun 2008 Location: Rucava, Latvija Posts: 3,816	You're wrong, it should be 213 or 215, at least when B3 or C3 has engine that has management powerful enough to be able to turn on the relay - like the RT here. Relay in question in this case is one with number 263, because it occupies the place where fuel pump relay should be.

20-06-14, 11:42 PM	#8
theschmallfella Grown up member Classic Audi Club Member Join Date: Sep 2011 Location: Back in the Emerald Isle Posts: 772	By the way thanks for taking the time to reply guys, it's very much appreciated. My head is melted from it!

20-06-14, 11:48 PM	#9
missfire making wooden things Classic Audi Club Member Join Date: Dec 2009 Location: cow land Posts: 8,156	Dunno on yours because there was a lot of changes pre/post 1991 but I've got three made in 1991 and on all of them the fuel pump relay is right in the middle of the fusebox under the bonnet, 215, it's got a place to stick a fuse in the top, you can use this to 'jump' the pump and trigger fault codes or output tests I think. If you stick a fuse in it!

20-06-14, 11:49 PM	#10
missfire making wooden things Classic Audi Club Member Join Date: Dec 2009 Location: cow land Posts: 8,156	That 263 is where the pump relay should be, yes.