Can some please point me in the right direction for a supplier for the correct type of normally open oil pressure switch used on Turbo's. Mine has decided to leak through the body, not round the threads, so its not a case of just tightening it up a little more!
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Maestro Turbo Oil Pressure Switch
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Maestro Turbo Oil Pressure Switch
Last edited by Sussex Pete; 5th October 2018, 07:32.Membership Secretary
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1990 MG Maestro Turbo #436 (To keep me occupied in retirement)
2023 Hyundai Tucson Ultimate Hybrid(Daily run-around)
1974 Austin Allegro Semi-works Rally Car
You know you are getting old when your knees buckle and your belt doesn'tTags: None
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Good luck. I ordered a few this year which I thought and was told where the correct ones but weren't. John very kindly send me out a used one which is working spot on (for the few miles I have used it this year ha) If you find one that does actually work could you post up here please as I would like a spare I can trust to work. Cheers Andy
http://maestro.org.uk/forums/forum/t...-maestro-turbo
MG Maestro Turbo #500
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Hopefully for final clarification, the oil pressure switch for use on the Maestro and Montego Turbo engines is Intermotor 50670 or Unipart GPS134 (which supercedes GPS129).
Looks like I was a bit lucky with my 'bay purchases yesterday, as I had selected a GPS192 part, but the seller confirmed this morning that he can't find them and so has returned my payment. As it turns out to have been the wrong one, I'm not that fussed!
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1990 MG Maestro Turbo #436 (To keep me occupied in retirement)
2023 Hyundai Tucson Ultimate Hybrid(Daily run-around)
1974 Austin Allegro Semi-works Rally Car
You know you are getting old when your knees buckle and your belt doesn't
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Pete, googling that Intermotor reference finds several on ebay from a fiver upwards....
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There is a way around this, if it ever becomes an insoluble problem. Get a standard 12v changeover relay, connect one side of the coil to an ignition feed, the other side to the oil pressure switch. Connect the common to earth and the oil pressure switch to the normally closed contact. Ignition on, no oil pressure with a normal nc switch, coil is energised, and wire that used to go to switch is not connected to earth, when oil pressure switch opens, relay is de-energised and wire is earthed via the nc contacts. With this modification you can use any sort of switch, if you get the correct switch, just move wire from nc side, to no side, or reattach it to the switch. Not as good as the correct switch, but it saves any hassle with incorrect switches.
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Read the last part of Andys thread. Wilcox had 12 in stock at the time and I also put the correct part number on it as your part numbers are not correct pete. GPS136 is the correct part number so I don't know where you're getting those from. Buy from wilcox , not ebay and you'll get the correct part. Btw I've also told you the part number before when you asked so also refer to that thread when the car had crank sensor problems.Last edited by Jeff Turbo; 4th October 2018, 19:42.1958 Ford Consul Convertible. I love this car
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Originally posted by Jeff Turbo View PostRead the last part of Andys thread. Wilcox had 12 in stock at the time and I also put the correct part number on it as your part numbers are not correct pete. GPS136 is the correct part number so I don't know where you're getting those from. Buy from wilcox , not ebay and you'll get the correct part. Btw I've also told you the part number before when you asked so also refer to that thread when the car had crank sensor problems.Membership Secretary
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1990 MG Maestro Turbo #436 (To keep me occupied in retirement)
2023 Hyundai Tucson Ultimate Hybrid(Daily run-around)
1974 Austin Allegro Semi-works Rally Car
You know you are getting old when your knees buckle and your belt doesn't
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Originally posted by Jeff Turbo View PostAs per one of your old threads pete
Also new O/P switch (intermotor one) arrived today. Did test before fitting and its a normally closed one, even though advertised as for MG Metro Turbo, so its going back. Just about to phone Wilcox as you suggested.Membership Secretary
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1990 MG Maestro Turbo #436 (To keep me occupied in retirement)
2023 Hyundai Tucson Ultimate Hybrid(Daily run-around)
1974 Austin Allegro Semi-works Rally Car
You know you are getting old when your knees buckle and your belt doesn't
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Originally posted by ian drew View PostPete, if you go get one and it's the correct one could you let me know exactly what you ordered as I think having a spare wouldn't be a bad idea!
Cheers,
IanMembership Secretary
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1990 MG Maestro Turbo #436 (To keep me occupied in retirement)
2023 Hyundai Tucson Ultimate Hybrid(Daily run-around)
1974 Austin Allegro Semi-works Rally Car
You know you are getting old when your knees buckle and your belt doesn't
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You just need to phone them Ian. John Wilcox in spares is a very friendly and knowledgeable guy.Membership Secretary
Join the M&MOC | Printable Club Flyer (PDF)
1990 MG Maestro Turbo #436 (To keep me occupied in retirement)
2023 Hyundai Tucson Ultimate Hybrid(Daily run-around)
1974 Austin Allegro Semi-works Rally Car
You know you are getting old when your knees buckle and your belt doesn't
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