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  #21  
Old February 20th, 2013, 10:37 AM
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From what I remember my 2.5 NAD had the same setup a multiple part hose with a metal connector in the middle. It was a heavy duty metal connector with a bead on it so the hose was unable to slip

My 200tdi uses a one piece hose, not sure about the 300?
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  #22  
Old February 20th, 2013, 10:47 AM
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Back along in this tread somebody mentioned a webasto heater is fitted, is this correct? if so why the hell is it plumbed into the rad hose?

A webasto needs to be inline with the heater hoses, not cut into the rad hose using crappy plastic fittings.
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  #23  
Old February 20th, 2013, 10:50 AM
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Quote:
Originally Posted by dave_lucas View Post
My 200tdi uses a one piece hose, not sure about the 300?
The 300 uses a one piece custom molded hose as well. There is also that self-bleed y-pipe venturi thing, but that's a different hose.
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  #24  
Old February 20th, 2013, 11:07 AM
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Quote:
Originally Posted by aosias View Post
obviously i need to find a new mechanic
boom!
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  #25  
Old February 20th, 2013, 11:24 AM
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Quote:
Originally Posted by roverman2010 View Post
Back along in this tread somebody mentioned a webasto heater is fitted, is this correct? if so why the hell is it plumbed into the rad hose?

A webasto needs to be inline with the heater hoses, not cut into the rad hose using crappy plastic fittings.
It is plumbed into the heater hoses, not the radiator hoses. It's set up to pre-heat the coolant by remote start.

Quote:
Originally Posted by navydevildoc View Post
The 300 uses a one piece custom molded hose as well. There is also that self-bleed y-pipe venturi thing, but that's a different hose.
No one piece custom molded hose, instead it is a multiple piece hose held together with clamps and plastic fittings.
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  #26  
Old February 20th, 2013, 11:41 AM
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One piece... http://www.paddockspares.com/pch1190...ttom-hose.html
http://www.lrseries.com/shop/product...OR-BOTTOM.html
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  #27  
Old February 20th, 2013, 11:58 AM
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Quote:
Originally Posted by roverman2010 View Post
Back along in this tread somebody mentioned a webasto heater is fitted, is this correct? if so why the hell is it plumbed into the rad hose?

A webasto needs to be inline with the heater hoses, not cut into the rad hose using crappy plastic fittings.
That is what I was trying to find out. I have seen webasto's plumbed into radiator hoses and if the webasto creates a blockage then you have an issue.
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  #28  
Old February 20th, 2013, 07:41 PM
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The Webasto seems to be plumbed correctly into the heater hoses.

I had a shop look at it and they said all the hoses seem to be leaking in some fashion and are "cobbled together," stretched and frayed. Granted they don't do diesel motors I did get a chuckle out of how they weren't impressed with LR's design of the radiator hose.

I ordered a new top and bottom radiator hose, freeze plug, have a new t-stat and will be getting a new pressure relief cap. Hopefully this takes care of it.
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  #29  
Old February 20th, 2013, 07:44 PM
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Good luck.
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  #30  
Old February 22nd, 2013, 05:43 PM
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Here are some photos. The Webasto sends coolant to the heater box inlet (the arrow pointing in on the left side) and then the outlet (assume outlet since there isn't an arrow) sends coolant to the back of the motor. The Webasto gets coolant from the long pipe that runs down the top of the motor.

I replaced the expansion cap, and tightened the hose clamps again. Drove the truck around to get the motor warmed up. Heater was putting out luke warm heat that was consistent with the motor temp- starting to warm up.

When I felt the hoses the top radiator hose was cool, the bottom hose was warm. The hose coming out of the thermostat housing was warm and both heater hoses were warm. Should the top radiator hose be cool to the touch?

Water pump pulley has some coolant but not sure if that is residual from the popped hose or or the top radiator hose leaking. Is there any reason for coolant to leak from that area on the pulley?
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  #31  
Old March 4th, 2013, 01:41 PM
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Had the system pressure tested and tested for exhaust fumes. Found a loose clamp and of course the weeping freeze plug. Replacing the leaking/weeping freeze plug. Looks like it was a faulty expansion cap since that is the only other thing I've messed with.

Might be forward progress for the old girl.

Did get a new LR hose and its the same set up- plastic T and all. Trying not to do too many things at once.
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  #32  
Old March 4th, 2013, 02:22 PM
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roversnoth forum page 300TDI Lower Radiator Hose Warped Fittings
Is this the style of hose you are using? junk the more connections you put into a system the more to fail. Get a one piece molded hose.Click image for larger version

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  #33  
Old March 4th, 2013, 05:16 PM
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Hmmmm
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