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  #1  
Old April 15th, 2013, 10:23 AM
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mark kellgren
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TDI brake question

what kind of vaccum line is supposed to be run between vaccum pump and check valve on booster? I'm using rubber and is always collapsed, effecting my booster vaccum. Thinking nylon would be better. What is factory line made of?
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  #2  
Old April 15th, 2013, 10:32 AM
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a steel wire reinforced braided hose.
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Old April 15th, 2013, 10:37 AM
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Seek the correct line @ a Hydraulic shop

Quote:
Originally Posted by Overlander View Post
what kind of vaccum line is supposed to be run between vaccum pump and check valve on booster? I'm using rubber and is always collapsed, effecting my booster vaccum. Thinking nylon would be better. What is factory line made of?
A nylon line will get brittle in time and break if it is the hard type.

Go to a hydraulic shop and purchase a medium duty line, NOT the real heavy hydraulic pressure line with heavy wire reinforcement, but a medium duty line compatible with say a power steering return line in 3/8 (10mm) I think is the correct ID, but verify first.

This will solve your problem.
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  #4  
Old April 15th, 2013, 10:38 AM
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thanks Doug. Do you recall ID off top of head to save me a parking lot disconnect?
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Old April 15th, 2013, 01:04 PM
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Factory pipe is a solid plastic job.
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Old April 15th, 2013, 01:12 PM
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Jamie is right of course.

ANR2783
BRAKE VACUUM HOSE (-)EGR 300TDI DEF

Supplier: Land Rover | Type: Genuine | Product: ANR2783
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Old April 15th, 2013, 01:35 PM
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I just wasted my lunch break running out to the only hydraulic hose shop in the area, only to have them refuse to sell me any hose because I'm using it in a DOT application. Teachs me to say anything in the future! NAPA also does not sell wire reinforced hose.

Jamie and Doug, thanks for the update. I'll have to try and emulate that in some way. That part won't fit myapplication with the fancy schmancy curves because the vacuum pump is on the back of the alternator on a 2.8.
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Old April 15th, 2013, 01:59 PM
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Try 3/8 OD soft copper pipe from the hardware store and use short bits of 3/8 hose to join each end. Use good quality hose clamps.
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  #9  
Old April 15th, 2013, 02:16 PM
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What side is the alternator on the 2.8?

Reason I ask... the Td5 has the vac pump on the back of the alternator also, it's mounted on the RH (when looking from the back end of the vehicle) of the engine... you may get away with using one of those? that is also a solid pipe.

If the 2.8 engine is like a 300Tdi, then the alt is on the LH side, but if you used a RHD Td5 pipe (so pedal and alternator would be on the same side) then it should pretty much fit onto the LH side of a LHD with the alt on the LH side also.

RHD Td5 pipe is SQB000300 (RHD minus the EGR system, so it's a plain pipe. the EGR equipped pipe has a T piece in it)
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Old April 15th, 2013, 02:18 PM
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Quote:
Originally Posted by diesel_jim View Post
What side is the alternator on the 2.8?

Reason I ask... the Td5 has the vac pump on the back of the alternator also, it's mounted on the RH (when looking from the back end of the vehicle) of the engine... you may get away with using one of those? that is also a solid pipe.

If the 2.8 engine is like a 300Tdi, then the alt is on the LH side, but if you used a RHD Td5 pipe (so pedal and alternator would be on the same side) then it should pretty much fit onto the LH side of a LHD with the alt on the LH side also.

RHD Td5 pipe is SQB000300 (RHD minus the EGR system, so it's a plain pipe. the EGR equipped pipe has a T piece in it)

LH side just like 300 TDI. Great info! I'll have a look.
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  #11  
Old April 15th, 2013, 02:21 PM
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Some vacuum rated hose is all you need. Should not be hard to find.
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Old April 15th, 2013, 02:23 PM
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Quote:
Originally Posted by Red90 View Post
Some vacuum rated hose is all you need. Should not be hard to find.
I've tried that, and every unreinforced hose, even vacuum rated, gets flattened. I guess the 2.8 has a mega pump on it.

------ Follow up post added April 15th, 2013 02:24 PM ------

I checked on the SQB000300 and prices are pretty steep for just the plastic hose piece with no fittings, so I think I'm going to figure out some hard line 3/8 hose with the rubber hose adapter ends.
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