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S2000 alternative oil pressure sensor location


CraigHew

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CraigHew

I've been planing to remotely locate my S2000's oil pressure sender for a while and also incorperate a low pressure dash warning light.

 

This easy job involves unscrewing the sender unit, inserting a length of suitable braided hose into the sender location on the engine block and attaching a suitable T piece to locate the sensor and a low pressure warning light sensor.

 

Pushed the car out of the garage this morning into the sun to start the job telling wife @'d be done in an hour, 2 tops.

 

To cut a short story even shorter, the sender snapped off as soon as I touched it with the spanner leaving the threads flush with the block.

Got my trusty left hand thread screw removers out but the remover snappe off flush also....

tried cutting a small slot across the threaded piece to get a screwdriver on it, but it wouldn't budge.

tried vrious screwdrive, right-angled adapters etc and still couldn't move it.

 

I then called @CosKev for his thoughts, and he kindly brought his welding gear round to my house and welded various nuts bolts and even a spanner to the thread in an effort to sbreak it free,  All attempts failed,

 

Clearly access is poor, which is 50% of the problem I think. Anyway Kev had to leave for domestic duties but left the final nut welded onto the thread/block.

 

So plan B, and maybe plan C.

 

I'm happy the snapped thread inside the OEM port is oil-tight (given the snapped screw remover and then the external welding.

 

I'm contemplating a sandwich plate to locate between the oil filter and the block (that's plan B)

 

Plan C will come into force if anyone can steer me towards another location that I can take off, using suitable fittings and adapters, the S2000 oil pressure. I'm currently researching the Vtec sensor location as a possibility but I'm unsure at the moment whether that would be suoitable

 

So, any ideas @IanK (Bagpuss), @Dave Eastwood (Gadgetman) - Club Secretary, @Andy (Sycho), @Tom (T3OMF) - Cotswolds AO or any other S2000 owner / guru   (apart from the sage advice to have left well alone) really appreciated..

 

🙁

 

 

 

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Ian Kinder (Bagpuss) - Joint Peak District AO

@CraigHew Very sorry to read this 😂 Here's a pic of mine from 2016.

IMG_3554.thumb.JPG.c25d49d409c2bd31a75108d6b6f64be9.JPG

 

I think mine snapped on the way in trying to fix a leak shortly after IVA.

 

See pic above. I managed to dremel a slot in it and it came out easily.

 

If you can cut a slot in it. I'd suggest using a flat screw driver bit in a quarter inch drive socket wrench so at least you can get some torque onto it. Though it sounds to be stuck tight. I guess drill and tapping it won't be easy due to location and also the risk of getting swarf in a delicate part of your engine.

 

I'm sure a good night sleep on it might reveal other option and I'm sure @CosKev will have other ideas too. As you say at least you're currently oil tight.

 

I imagine the sensor on the Vtec solenoid is a pressure switch on the output so the Honda ECU knew that it had engaged etc. Hence no use for below Vtec engine speeds.

 

@Si.Dalziel take note. You don't want to join this club. If Craig and I can do it, others can :praise: .

 

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Si.Dalziel
30 minutes ago, IanK (Bagpuss) said:

 

@Si.Dalziel take note. You don't want to join this club. If Craig and I can do it, others can :praise: .

 

 

Mine came out no problems I’m just waiting till the engine goes in to work out the remote location

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CosKev
51 minutes ago, IanK (Bagpuss) said:

I guess drill and tapping it won't be easy due to location 

 

The snapped off easy out has stopped any chance of drilling it out:ph34r:

 

Sandwich plate will be the easiest fix I think:yes:

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Dave Eastwood (Gadgetman) - Club Secretary
36 minutes ago, CosKev said:

The snapped off easy out has stopped any chance of drilling it out:ph34r:

 

Spark erosion is typically the only way, if you can’t dig out the extractor.

 

Easiest solution is probably the sandwich plate idea though. It’s pretty rare that that much welding heat hasn’t shocked it loose.  

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CosKev
9 hours ago, Ben (bunje) said:

A good quality carbide drill will probably drill the easy out 

With the block flat on a bench perhaps!

But in the car it would be a struggle :no:

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Andy (Sycho)

I managed to snap mine off when fitting the new adapter as it’s only made of brass & hasn’t got a lot of meat to it.

 

I suspect that’s why the easy out has snapped off as it’s soft & just dug in, have you tried tightening it up? that might fetch the easy out out.

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