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Author Topic: vac hoses and rubber elbows  (Read 4049 times)

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TheBoy

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vac hoses and rubber elbows
« on: 22 August 2015, 14:31:13 »
Specifically for Zafira, but I think they must be universal.  I've tried all the usual outlets around these parts - ECP, GSF, independents, none of them do it :(

Any ideas?
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Re: vac hoses and rubber elbows
« Reply #1 on: 22 August 2015, 14:35:37 »
Omega breaker?
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Re: vac hoses and rubber elbows
« Reply #2 on: 22 August 2015, 14:45:26 »
Think i got some from wilco car parts last time  :-\
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Andy H

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Re: vac hoses and rubber elbows
« Reply #3 on: 22 August 2015, 14:50:12 »
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Rods2

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Re: vac hoses and rubber elbows
« Reply #4 on: 22 August 2015, 14:52:13 »
Standard rubber tubing you can buy off the shelf and will be much cheaper than those designated 'car parts'. I have never tried but I would have though the vacuum pipe would also be available. I have got a cheap digital vernier caliper that I got as an Aldi or Lidl special offer that I use for measuring internal and external diameters.

Alternatively if you need a molded bend, measure the internal diameter and look for an equivalent on somewhere like here:

http://www.ebay.co.uk/itm/90-Degree-Silicone-Elbow-Bend-Hose-Silicon-Rubber-Coolant-Radiator-Pipe-Car-/330650756290

If you do use pattern parts, let us all know as I'm sure there will be much interest from some of the regulars on here. ::) ;D
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Andy H

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Re: vac hoses and rubber elbows
« Reply #5 on: 22 August 2015, 14:55:45 »
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Re: vac hoses and rubber elbows
« Reply #6 on: 22 August 2015, 15:15:38 »
I actually use A-series vac advance elbows for the actual elbows. Not ideal, but good enough.  I'm really struggling on the straight connectors (which is the immediate urgency) and the vac pipe itself, which is a plastic (like on Omegas), not silicone.


GM parts are:
4 (elbow) 90324140  8 07 314 HOSE, CONNECTING, 3.5 MM ID., FILTER TO VACUUM CHARGE PRESSURE CONTROL SOLENOID VALVE       1   
7 (vac hose) 90018280  12 11 202 PIPE, VACUUM, 190MM, VACUUM CHARGE PRESSURE CONTROL SOLENOID VALVE TO TURBOCHARGER       1   
8 (elbow) 90572322  12 12 473 HOSE, 3.5 MM ID., VACUUM PIPE       AR   
11 (rubber - straight) 90166288  8 20 494 HOSE, CONNECTING, 3.0 MM ID. X 1M, VACUUM PIPE TO VACUUM PUMP       1   
12 (t-piece) 9281478  8 19 763 DISTRIBUTOR, VACUUM PIPE, VACUUM CHARGE PRESSURE CONTROL SOLENOID VALVE TO VACUUM PUMP       2
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Rods2

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Re: vac hoses and rubber elbows
« Reply #7 on: 22 August 2015, 15:34:09 »
Quote from: TheBoy on 22 August 2015, 15:15:38
I actually use A-series vac advance elbows for the actual elbows. Not ideal, but good enough.  I'm really struggling on the straight connectors (which is the immediate urgency) and the vac pipe itself, which is a plastic (like on Omegas), not silicone.


GM parts are:
4 (elbow) 90324140  8 07 314 HOSE, CONNECTING, 3.5 MM ID., FILTER TO VACUUM CHARGE PRESSURE CONTROL SOLENOID VALVE       1   
7 (vac hose) 90018280  12 11 202 PIPE, VACUUM, 190MM, VACUUM CHARGE PRESSURE CONTROL SOLENOID VALVE TO TURBOCHARGER       1   
8 (elbow) 90572322  12 12 473 HOSE, 3.5 MM ID., VACUUM PIPE       AR   
11 (rubber - straight) 90166288  8 20 494 HOSE, CONNECTING, 3.0 MM ID. X 1M, VACUUM PIPE TO VACUUM PUMP       1   
12 (t-piece) 9281478  8 19 763 DISTRIBUTOR, VACUUM PIPE, VACUUM CHARGE PRESSURE CONTROL SOLENOID VALVE TO VACUUM PUMP       2

3.5mm ID pipe http://www.gsfcarparts.com/186vg0010

3.5mm OD silicone pipe http://www.advancedfluidsolutions.co.uk/clear-translucent-silicone-tubing-244-c.asp

3mm or 4mm PTFE vacuum pipe http://www.ebay.co.uk/itm/PTFE-Tubing-Metric-3-15mm-OD-Sold-by-the-Metre-Air-Tube-/231640720997?var=&hash=item35eedce665

3.00 ID http://www.ukclassicparts.com/products/engine/vacuum-advance-retard-rubber-tube.asp

What are the internal diameters of the T piece?
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Re: vac hoses and rubber elbows
« Reply #8 on: 22 August 2015, 16:27:52 »
http://www.minisport.com/12b2095-vacuum-pipe-connector.html



If you are trying to connect two pipes of equal outside diameter then a short piece of rubber hose would do the job :-\

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Re: vac hoses and rubber elbows
« Reply #9 on: 22 August 2015, 18:46:20 »
Quote from: Rods2 on 22 August 2015, 15:34:09
Quote from: TheBoy on 22 August 2015, 15:15:38
I actually use A-series vac advance elbows for the actual elbows. Not ideal, but good enough.  I'm really struggling on the straight connectors (which is the immediate urgency) and the vac pipe itself, which is a plastic (like on Omegas), not silicone.


GM parts are:
4 (elbow) 90324140  8 07 314 HOSE, CONNECTING, 3.5 MM ID., FILTER TO VACUUM CHARGE PRESSURE CONTROL SOLENOID VALVE       1   
7 (vac hose) 90018280  12 11 202 PIPE, VACUUM, 190MM, VACUUM CHARGE PRESSURE CONTROL SOLENOID VALVE TO TURBOCHARGER       1   
8 (elbow) 90572322  12 12 473 HOSE, 3.5 MM ID., VACUUM PIPE       AR   
11 (rubber - straight) 90166288  8 20 494 HOSE, CONNECTING, 3.0 MM ID. X 1M, VACUUM PIPE TO VACUUM PUMP       1   
12 (t-piece) 9281478  8 19 763 DISTRIBUTOR, VACUUM PIPE, VACUUM CHARGE PRESSURE CONTROL SOLENOID VALVE TO VACUUM PUMP       2

3.5mm ID pipe http://www.gsfcarparts.com/186vg0010

3.5mm OD silicone pipe http://www.advancedfluidsolutions.co.uk/clear-translucent-silicone-tubing-244-c.asp

3mm or 4mm PTFE vacuum pipe http://www.ebay.co.uk/itm/PTFE-Tubing-Metric-3-15mm-OD-Sold-by-the-Metre-Air-Tube-/231640720997?var=&hash=item35eedce665

3.00 ID http://www.ukclassicparts.com/products/engine/vacuum-advance-retard-rubber-tube.asp

What are the internal diameters of the T piece?
Thanks.

I've tried the silicone type and the fuel leak-off types, and they fail in a few months.  I've got a load still here, but its rubbish.
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Andy H

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Re: vac hoses and rubber elbows
« Reply #10 on: 22 August 2015, 18:52:23 »
Why do you think they fail so quickly?

Is it poor quality materials? or are they subject to unusually arduous conditions?
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Re: vac hoses and rubber elbows
« Reply #11 on: 22 August 2015, 18:56:49 »
Quote from: Andy H on 22 August 2015, 18:52:23
Why do you think they fail so quickly?

Is it poor quality materials? or are they subject to unusually arduous conditions?
Not sure. Obviously, near the turbo get a bit warm, but no idea why the other area fail. Its not a massive vacuum...
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Andy H

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Re: vac hoses and rubber elbows
« Reply #12 on: 22 August 2015, 19:03:52 »
Quote from: TheBoy on 22 August 2015, 18:56:49
Quote from: Andy H on 22 August 2015, 18:52:23
Why do you think they fail so quickly?

Is it poor quality materials? or are they subject to unusually arduous conditions?
Not sure. Obviously, near the turbo get a bit warm, but no idea why the other area fail. Its not a massive vacuum...
The vacuum will act to hold things together, maybe there are moments of positive pressure? :-\
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Re: vac hoses and rubber elbows
« Reply #13 on: 22 August 2015, 21:35:34 »
Quote from: TheBoy on 22 August 2015, 18:56:49
Quote from: Andy H on 22 August 2015, 18:52:23
Why do you think they fail so quickly?

Is it poor quality materials? or are they subject to unusually arduous conditions?
Not sure. Obviously, near the turbo get a bit warm, but no idea why the other area fail. Its not a massive vacuum...

You will probably find the PTFE tubing a bit better as that has a slightly higher melting point of 326.8degC compared with about 300degC for silicon tubing.
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Re: vac hoses and rubber elbows
« Reply #14 on: 23 August 2015, 17:39:25 »
I wonder if Omega ones would be any good.  Must be loads of people breaking Omegas.

Only one way to find out.
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