Hello,
The above pipe has rusted and split during an MOT test. My local garage can't find a replacement part for it and are even struggling to get pipe of the correct bore to fabricate a replacement. (I've checked JLR Classic and they don't carry this part.) Any information would be gratefully received. My X350 is a 2003 3 litre V6.
Thanks,
Dave Edwards.
Pipe between booster and modulator
Re: Pipe between booster and modulator
Dave, of some sort
What is the part number? You mentioned it goes from the booster, so presumably it's a vacuum pipe of some sort?
Paul
What is the part number? You mentioned it goes from the booster, so presumably it's a vacuum pipe of some sort?
Paul
1995 XJS 4.0 Convertible
1980 XJ-S Pre-HE
Jaguar 4.2 Supercharged engine (but not with a Jaguar body..)
1980 XJ-S Pre-HE
Jaguar 4.2 Supercharged engine (but not with a Jaguar body..)
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DavidEdwards

- Posts:21
- Joined:Mon Dec 03, 2007 3:49 pm
Re: Pipe between booster and modulator
Hi Paul,
It's a brake fluid pipe that goes to the modulator - this being the magic box which appropriately directs hydraulic pressures to the four wheels.
I've got a bit lost as regards the part number, but I think it might be C2C28015 or C2C28016.
Thanks for your time,
Dave.
It's a brake fluid pipe that goes to the modulator - this being the magic box which appropriately directs hydraulic pressures to the four wheels.
I've got a bit lost as regards the part number, but I think it might be C2C28015 or C2C28016.
Thanks for your time,
Dave.
Re: Pipe between booster and modulator
Dave,
Yes I see. It's not a pipe from the booster. It's the twin hydraulic pipes from the master cylinder to the modulator. The correct number for your RHD car is C2C28016.
I suspect you'll need to either buy a used pair of pipes, or else fabricate yourself. There's a few complex bends but nothing a garage couldn't do for you simply, with your old pipes as patterns, if you don't have a flarer or a bender. You could use the fittings from your old pipe.
Good luck
Paul
Yes I see. It's not a pipe from the booster. It's the twin hydraulic pipes from the master cylinder to the modulator. The correct number for your RHD car is C2C28016.
I suspect you'll need to either buy a used pair of pipes, or else fabricate yourself. There's a few complex bends but nothing a garage couldn't do for you simply, with your old pipes as patterns, if you don't have a flarer or a bender. You could use the fittings from your old pipe.
Good luck
Paul
1995 XJS 4.0 Convertible
1980 XJ-S Pre-HE
Jaguar 4.2 Supercharged engine (but not with a Jaguar body..)
1980 XJ-S Pre-HE
Jaguar 4.2 Supercharged engine (but not with a Jaguar body..)
Re: Pipe between booster and modulator
Try autoreserve or Eurojag, you might get lucky.
Andy
XF Sportbrake 2020 / XK8 1998
XF Sportbrake 2020 / XK8 1998
Re: Pipe between booster and modulator
I wonder if a hose maker like Pirtek could make a copy. AFAIK it's a standard large bore brake hose and flare, possibly for (metric) commercial vehicles such as lorries. I think that's 1/4"=6.4 mm bore The other brake lines are standard 3/16"= 4.8 mm.
See here.
See here.
1986 XJ6 Sovereign Series III
1991 XJS V12 "facelift"
2021 I-Pace SE
1991 XJS V12 "facelift"
2021 I-Pace SE
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DavidEdwards

- Posts:21
- Joined:Mon Dec 03, 2007 3:49 pm
Re: Pipe between booster and modulator
Many thanks for all your replies. In the end I did find a local pipe fabricator who used the original fittings on quarter inch pipe and my x350 finally has a clean MOT!
Re: Pipe between booster and modulator
Thanks for the update Dave.
Good to know you got it fixed and back on the road.
Take care.
Andy
Good to know you got it fixed and back on the road.
Take care.
Andy
2011 X351 3.0d LWB
Colour: Ultimate Black Metallic With Black/Ivory Piping Interia
2007 X-Type 2.2d Sport Premium Estate
Colour:Liquid Silver With Charcoal Interia
Colour: Ultimate Black Metallic With Black/Ivory Piping Interia
2007 X-Type 2.2d Sport Premium Estate
Colour:Liquid Silver With Charcoal Interia
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