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 Oil Pressure Sensor

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Guzzi Cat
Biondino
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Posts : 263
Join date : 2014-09-02

PostSubject: Oil Pressure Sensor   Mon Aug 17, 2015 3:34 pm

Well eventually got around to tackling lifting the tank, disconnecting the quick release fuel line and changing the oil pressure sensor.
It actually went pretty well, maybe just lucky. Very Happy

This is how I done it and it may be of some help to someone else!

1. Take off side wings with Guzzi badge on them, on the right hand side you will then be able to see the electrical connection plug for the fuel pump. Disconnect this and then try and start the engine (it wont start) for 3 or 4 seconds as this will relieve the pressure in the fuel line.

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2. Lift the seat and pull main fuse and disconnect the battery and remove. You can then remove the two lower bolts holding down the tank, also undo the drain hose from battery compartment. Then undo and remove the two upper bolts holding the tank at the ignition switch.

3.Gently lift the tank a few inches at the top and slide a piece of timber underneath, then do the same at the bottom of the tank, you can see how much timber I used in photo.
Then undo the drain from tank overflow at bottom of tank.

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4. You can now reach in to disconnect the fuel line quick release coupler. I found that if I stood on the right hand side of the bike (as you sit on it) and reach in with your right hand and grab the grey connector while at the same time reaching across the tank and coming in from the other side with your left hand to catch the red elbow you get a good grip to loosen the coupler. I just pulled back on the grey coupler and off she came without any great bother. I MAY HAVE JUST BEEN LUCKY  bounce

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5. Remove the tank and support it safely on some timber on a bench so as to keep the red plastic elbow from having any weight on it.
I then blew out any dust and crap that was resting in the engine V. I disconnected the electrical connection from the Oil Pressure Sensor and removed it using a spanner.

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6. I replaced the oil pressure sensor with one that is used in a BMW car. I put everything back together carefully and took her for a spin, Everything seems fine and the dreaded Service Triangle with the red oil can, hasn't appeared as of yet Thumbs Up

7. Then I got a rush of blood and checked the valve clearances, balanced the TB,s reset the TPS and changed the oil +filter. Running Great cheers

I hope this was of some help to others as I have gotten a lot of information and help from people on the site. Keep her lit,
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wardentm
Nibbio
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Posts : 705
Join date : 2015-05-16
Age : 65

PostSubject: Re: Oil Pressure Sensor   Mon Aug 17, 2015 4:29 pm

Thanks GC
I will have to remove tank in the upcoming future to check the internal fuel pump/filter lines clamps, I'm told that these have given problems to some in the past.
Some have also had issues with this quick release, your post has given me some confidence, thanks.
Stay safe
Caoi
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Steak
L'Innominato
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Join date : 2013-05-28
Age : 53

PostSubject: Re: Oil Pressure Sensor   Mon Aug 17, 2015 8:40 pm

Thumbs Up

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2012 MOTO GUZZI GRiSO 1200SE

2013 MOTO GUZZI STELVIO 1200NTX - Orange Blossom Special
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1151
Sfregiato
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Join date : 2014-05-23

PostSubject: Re: Oil Pressure Sensor   Mon Aug 17, 2015 10:44 pm

Thanks for posting the steps w/ pics. GC! I'm sure that will come in handy!
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Phang
Biondino
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Join date : 2013-11-22
Age : 45

PostSubject: Re: Oil Pressure Sensor   Tue Aug 18, 2015 2:40 am

Thanks for the clear pictures and detail steps.

I can even see the marking on the cylinder head in the third picture which indicated you have shimmed intake valve springs study
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NorthernProducer
Sfregiato
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Join date : 2015-02-13
Age : 71

PostSubject: Re: Oil Pressure Sensor   Tue Aug 18, 2015 5:27 am

Nicely done, Guzzi Cat!
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Tommy-S
Montanarolo
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Join date : 2016-10-12

PostSubject: Re: Oil Pressure Sensor   Sun Jan 14, 2018 3:32 pm

Hi, what Oil Pressure switch did you use to replace this one?
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MalG
Don Abbondio
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Age : 71

PostSubject: Re: Oil Pressure Sensor   Sun Jan 14, 2018 6:40 pm

wardentm wrote:
Thanks GC
I will have to remove tank in the upcoming future to check the internal fuel pump/filter lines clamps, I'm told that these have given problems to some in the past.
Some have also had issues with this quick release, your post has given me some confidence, thanks.
Stay safe
Caoi

If you should have difficulties with that tank, Trev, you are quite welcome to give me a ring & we can talk you through it - I'll text you with my current phone number. A scant squirt of silicone lube on the QD coupler before reassembly makes it easier to remove next time.
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Guzzi Cat
Biondino
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PostSubject: Re: Oil Pressure Sensor   Mon Jan 15, 2018 5:31 am

Tommy-S wrote:
Hi, what Oil Pressure switch did you use to replace this one?

It has been a while since I replaced mine but I think it was a BMW #1546836 car oil pressure sensor, will check in my garage notebook when I get home,
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GuZeee
Biondino
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Posts : 248
Join date : 2017-08-03

PostSubject: Re: Oil Pressure Sensor   Thu Jan 18, 2018 5:04 pm

I like your technique of propping up the front and rear of the tank. If you just lift the rear, it's easy to kink the fuel line, and it doesn't fully recover as it's made of hard plastic for some reason. I ended up replacing my fuel lines as a result of that. I avoided that problem by first removing the injectors so that the fuel lines could move, but I'll try the two-by-four propping method next time!
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Tommy-S
Montanarolo
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PostSubject: Re: Oil Pressure Sensor   Sat Feb 10, 2018 6:57 am

Thanks Guzzi Cat,

Need to replace my pressure switch this month ready for Summer Smile
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GHTE
Biondino
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Age : 64

PostSubject: Re: Oil Pressure Sensor   Mon Mar 26, 2018 6:36 pm

Good job and as already mentioned great to have pictures
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avgpetro
Grignapoco
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Age : 50

PostSubject: Re: Oil Pressure Sensor   Tue Mar 27, 2018 4:16 am

BTW, my favorite way to support the tank, wille having it removed, is on the edge of something flat (a brick maybe?), based on the flat surface the tank has, just in front of the fuel connector and under its front mounting bolts. Meaning its front facing down, and its rear hoses conectors facing up. It sits nicely, and safely - unless somebody pushes it.

Having the tank sitting like that, turning the fuel conector elbow backwards (to point up), no gas is spilled even with full tank.
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