oil pressure sender wanted

[nesshead6]

oil pressure sender, 2 pin type, wanted.

[UrS4boy]

Oil pressure switch and sender info

oil pressure sender, 2 pin type, wanted.

Like the F22/G10 combo shown below and listed in this post:

http://forums.quattroworld.com/s4s6/msgs/96161.phtml

[K Simmonds]

I've got a spare one of those, drop me a PM if interested.

[nesshead6]

Oh dear, things just got a bit more complicated.. Yes I thought that F22/G10 was what I needed but - the gauge I have is a 0-10 bar vdo, does this mean i will need a 0-10 bar sender and cannot use an audi 0-5bar one? (I'm installing vdo gauges in my mk1 caddy).

[UrS4boy]

Oh dear, things just got a bit more complicated.. Yes I thought that F22/G10 was what I needed but - the gauge I have is a 0-10 bar vdo, does this mean i will need a 0-10 bar sender and cannot use an audi 0-5bar one? (I'm installing vdo gauges in my mk1 caddy).

Yup. Those old MKI oil pumps were high pressure/low volume compared to the later ones. I know I had a 150 psi (10 bar equivalent) gauge and 10 bar VDO sender in my old 1980 1.6L Jetta (along with a header, cam, big valve head, weber "Big Throat", etc). I think it hit close to 150 psi on a cold start with 20W50 oil.

[nesshead6]

I see. Maybe it will be easier to find a 0-5 bar gauge/sender and use that instead of hunting down a much older 10 bar sender (i've seen you can buy a vdo one from vwheritage.com but £41 is a bit steep, and there are plenty of audi 80's in my local breaker..)

Incidentally do any audis use a 0-5 bar sender with a 1.8 bar (high pressure) oil switch instead of 0.3 bar, think this is what i'll need for the caddy as the low pressure switch is totally seperate.

[johne]

The separate switch is the 1.8 bar one so I suggest you use the same arrangement.

John

[nesshead6]

Not on the caddy 0.3bar switch goes into the side of the head and 1.8bar on the oil filter housing (where I would want to measure oil pressure)

[UrS4boy]

I see. Maybe it will be easier to find a 0-5 bar gauge/sender and use that instead of hunting down a much older 10 bar sender.

You missed my point. If you are using an older e.g. pre-1984 VW engine in your caddy, the oil pump is a HIGH pressure, LOW volume pump. After 1985, they went with LOWer pressure, HIGHer volume oil pumps. As a result, using a 0-5 Bar pressure gauge sender will potentially fail or NOT give you the proper reading when pressures are over 5 bar. And they will be on start up and until the engine is warm.

[nesshead6]

It's an '88 caddy 1.6 diesel (JK engine code) so should be ok with a 5 bar sender? However as I already have a 10 bar gauge, might try to find a sender from a pre-1984 car. Unless you are going to tell me that this is a bad idea when used with a low pressure high volume pump

[UrS4boy]

It's an '88 caddy 1.6 diesel (JK engine code) so should be ok with a 5 bar sender? However as I already have a 10 bar gauge, might try to find a sender from a pre-1984 car. Unless you are going to tell me that this is a bad idea when used with a low pressure high volume pump

You might have told us what engine is in the caddy in your first post. Would have saved a lot of :corey::corey:.

The sender you need is a 035919561A. 0-5Bar/1.8 Bar 2 pin Black, M10x1. Common to lots of older 1988-90 Audis.

Good luck.

[nesshead6]

Thanks!