Help Needed

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Help Needed

tonewuk

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Jul 3, 2007
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Hi guys and Gals.
I wonder if you could help me.
I need a oil pressure switch of a Fiat,Which model i dont know.
The only information is on the side of the switch .
TRW 503 and the Bar pressure 0.15 to 0.35
I have been to my local Fiat Dealer in Oldbury and they have not been very helpful.
The reason i am asking is these switches are used on Fiats ,Moto guzzis and Ducatis.
And i have a Moto Guzzi and the Dealer is quoting a month to get one.
(why i dont know)
The reason to change the switch ,Oil is seeping out of the plastic top with the engine running.Which is quite a common fault i hear.So if you have a oil leak have a look.
Thanks for help in advance.
tone
 
not familiar with teh actual part, but I think you may find someting similar if you went into a well educated motorfactors with the part, might find something that does the same job, and a damn site cheaper :)
Tried it.
All they do is refer me to the main dealers.And having tried my local fiat dealers.
All they would say is, with out a model of fiat we cannot help you.
And i am thinking,there is a nice computer sat in front of you with all the parts listed and you cannot be bothered to have a look.
But i am sure someone will know.
 
its fiat eper, I have a copy here, so have the same as what dealers have.

HOWEVER, it only gives me an exploded view of the car, so then I could find the oil temp/pressure switch, and find its part number.

however (again sorry) it won't tell me any information about th part. the only way forward would be to find a dealer/techie who actually knows what oil switch on each vehicle is specified to.

or, go aftermarket, although i'm not sure of what shops sell what nowadays, demon tweaks>competition>motorcycle, you *may* find something in there that would do the job, although you'll pay a premium for it. at a wild stab in the dark a competition oil switch would be £25-45, as for fittings and that, afraid no idea :(


I was hoping a local motorfactor would actually have a look in his massive catalogue for something, but again, they are usually arranged by part manufactuer, THEN by car model, and don't give much detail, just an exploded diagram with a part number next to a certain picture.

your last line of inquiry before sucumming to a month off the bike (I'm just getting started on bikes and am already hooked) try RS (radio spares) they have 4-5 massive catalogues (cost money, find an engineering workshop with the full current range) and have a good looks thru them. they usually have hundreds of th same thing but with different tolerances and fit.
the only problem I can forsee is that the electrical fitting/connector WILL be different. in which case, hack the old part to bits and bodge it :devil:

and failing THAT I can't reccomend russian/US bodging past enough, evostick and all the major glue brands now make a more expenisve equivilent (£5-10 a stick), it will fix anything inc HOT oil problems and minor impacts. it looks like a small 3-4" clear plastic tube, with a thick clay like paste inside, thats two part, an expoxy, you mash it togehter (for the love of god wet your hands first). mix thoroughly allow to settle for a few minutes whilst you prepare the surface (no oil present at time of contact) then stick it in the hole, cover the hole, then keep wetting the outer scab to smooth it onto the surrounding features.
leave it to dry for 12-24hours then no more leaks. worked a charm on several things, inc this mercedes sump, made of alloy with a hole in it the size of your fist. made up the hole with mr kiplling (russian equiv of) pie trays and half a tube of bodge past (about 40-60p a tube in soviet states).

IMGP1106.jpg

thats NOT me BTW< but my mate who was driving the merc, before he twsted the sump not once, but twice :rolleyes:

IMGP1110.jpg


the finished article, even being an engine sump, in blistering 40degree desert heat, and taking a few more impacts on bad kazahk roads, it survived without so much as a weap of oil :slayer:
 
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