oil pressure/switch combined

A&Q about 350Z
Q:

i am going to fit a oil pressure gague, i no i need to leave in both the oil switches that are in the top of the oil filter housing (one is 0.3bar and does the light and buzzer an the other is for the ign switch when the light goes off when its up to pressure)
is it possible to make a t bar and fit both the pressure sender and the switch in to 1 hole so there is no drilling and tapping of the head??? has any body done this before?
any help would be greatfull
cheers
A:

i am going to fit a oil pressure gague, i no i need to leave in both the oil switches that are in the top of the oil filter housing (one is 0.3bar and does the light and buzzer an the other is for the ign switch when the light goes off when its up to pressure)
is it possible to make a t bar and fit both the pressure sender and the switch in to 1 hole so there is no drilling and tapping of the head??? has any body done this before?
any help would be greatfull
cheers
depending on the age of block you can use a late oil filter housing with three drillings (I got one off a 1995ish SEAT 1.6 engine)
alternatively some places do sell the T piece you need (sorry can't remember myself)
or, use a sender/switch in one that has two connections on the top, one for your old warning buzzer and a variable one for the gauge, there are two types of these (usually made by VDO) and one replaces one existing switch, the other... the other.
A:

it is a 91 corrado, would a housing work on that???do you no a part number/shop that has the bits??
A:

lots on info on this in the forums. You should consider using a combined switch and sender (ie the switch to do the warning light or buzzer, and the sender to give a signal for your guage). Easy enough to get hold of, either from VDO, VAG, ebay or the scrapyard. No extra holes needed in this way.
I got a combined switch from an Audi which had a 0.3bar (or was it 1.2bar?) switch for the warning light and a 0-5bar sender for the guage (two terminals and an earth return through the body of the sender). And so the other OEM sender wasn't touched. Mind this was on a BMW M30 engine not a VW, but I got the info to do this work from this site.
do a search
oh and I reckon Demon Tweeks would sort you for the t-piece if you decied to do that. They sold me the thread adaptor to fit the M10 VAG sender into an M12 hole in the BM head
A:

it is a 91 corrado, would a housing work on that???do you no a part number/shop that has the bits??
you need to check if the oil filter housing has a 'bent over at an angle' top mounting point to it (but not the whole unit including filter at an angle - that is the audi one), and you can also tell by the type of crank breather unit on the front of the block, if it is black plastic it's the later type, alloy ones are the earlier type and only fit with the appropriate oil filter bracket.
Unfortunately a 1991 corrado may have the old style if it's a 1.8. In which case you will need the VDO dual pole sender for gauge and buzzer.
If you do have the later type housing it's part number is 053 115 417 A the earlier type is 053 115 417 (No 'A' suffix) chassis number change over is 50-M-027 000.
I'm not sure of part number of the later style one with the three drillings, you really need to look at the donor car, but it should be present on very late passat's (1993 up to 1996) and SEAT Ibiza's and Toledos with 1.6 or above engines.
see thread for the diff types
A:

ok thanks dave, you hav been a great help, i am going to go have a look at my car and check it out, do you recon i could drill and tap my own hole in the old unit?
A:

Post some pics when you do it please, Ben.
A:

is that a dual pole senderthat i need??

A:

is that a dual pole senderthat i need??
looks like the job, just make sure the variable connection for the gauge has the right range i.e. 0-5 bar or 0-10 bar depending on the gauge you have.
David.
A:

The dual pole sender replaces one of the pressure warning switches on the oil filter housing
The one you replace depends on the type of dual pole sender you buy, check the markings on the sender itself, you'll have something similar to the folowing:
0-5bar or 0-10bar - this tells you if the sender is for a 0-5 or 0-10 bar pressure guage.
0.3bar or 1.8bar(ish) - this tells you which pressure warning switch it replaces, 0.3 = the black sensor with blue wire, 1.8 = white sensor with yellow wire.
The Audi ones are usually 0-5bar, 0.3bar warning, which means you need a 0-5bar gauge and you replace the black low pressure warning switch. On an 8v GTI this is in the side of the head.
The 'T' piece is ONLY needed if you want to have both the MFA oil temp display, AND an oil temp gauge to work. The reason is you cant run both from one sender, you need a seperate oil temp sender for each. If you arn't bothered about the MFA, you can remove the old MFA sender and fit a guage sender in its place. Make sure you get the correct oil temp sender for your gauge too, there are several types out there. Basically you want one that matches the max temp on your guage
MK3 2.0 8v & 16v engines have 3 sender holes as well, which are ideal as you can fit all the senders you need in without having to use a t-piece.
Here is my setup:
You can see my dual pole sender in the side of the head, and you can just make out the MK3 oil filter housing with 3 holes. I have the blue wire hooked up to the dual pole sensor, and a spare sensor for the temp gauge, and as you canb see I havent wired in any of my guages yet!
A:

the sender is 0-10 and the gauge is 0-10, will a mk 3 oil filter housing fit a 91 16v engine????
A:

Yup it should fit fine, all the mountings are the same
A:

the sender is 0-10 and the gauge is 0-10, will a mk 3 oil filter housing fit a 91 16v engine???? Like I said earlier in the thread, I think all 1.8 blocks have the old style filter housing shape and you can't fit a mk3 housing, only the 2.0L 9A passat and corrado 16v engines have the later style housing.
A:

oops I stand corrected
A:

ithink i am going to get a later spec oil/f housing and grind and file the lug off, y the looks of the jackets and pockets they are exactly the same, can any body tel me that there different cuz i would hate to do that and then it blew the engine!!!!
see:
A:

the bolt holes are in different places IIRC
yep, they are, just looked at the pic!
A:

ahh **** yeah, 4 some reason i thought the top hole was a bolt hole but its a jacket!!!!
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A:

thats a geat help cheers matey
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