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Thread: Td5 PAS hose - reservoir to pump - barb fitting and gasket to suit?

  1. #1
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    Td5 PAS hose - reservoir to pump - barb fitting and gasket to suit?

    It would seem that I have a power steering leak as when I checked my fluids on Sunday evening the PAS reservoir was missing 1/3rd. Traced the mess and fluid run to the bottom of the power steering pump, possibly the PAS hose that goes from the reservoir to the pump.

    The reservoir side is just a standard hose slipping over a male bar with a hose clamp.
    The pump side however looks to have two bolts mating it to the pump (one that is visible is circled in purple):

    IMG_1609.jpg

    The replacement hose, ANR6974, however seems to not include this part, only the rubber hose part. So I assume the crimped hose clamp (circled in red) has to be removed and replaced to change the hose? The part of the hose in yellow below would slide over that hose tail and then require a clamp to secure and seal.



    https://landypart.com/ekmps/shops/la...em--9107-p.jpg

    Are the original crimped hose clamps known to fail by loosing their tension over time or anything of the like?

    Is there a gasket or anything to replace on that hose tail mounted on the bottom of the pump? I couldn't find in Microcat.
    Mine - modified MY03 LT L318 Discovery 2a HSE Td5 15P
    Hers - MY12 L319 Discovery 4 2.7L TDV6
    Dads - MY12 L319 Discovery 4 2.7L TDV6
    Sister-in-laws - MY98 LJ Discovery ES 3.9L V8

  2. #2
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    Are the original crimped hose clamps known to fail by loosing their tension over time or anything of the like?

    The clamps are called cobra clip you can get them of with a special tool,(I think you can flip them with a screw driver I bought the tool to remove them) they kept there tension very well and don't fail that often

  3. #3
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    If it was easy to own a Land Rover, everybody would want one……or two…….or three……

    The hose connections to your pump don’t look excessively oily so I am guessing that it is the ol’ metal U pipe banging on the sump trick (that our beloved mark is renowned for) causing your leak?

    The Rave WS manual identifies the hose tail as a low pressure adaptor pipe and indicates that there is a replaceable O-ring under it. However, as you have found, Microcat doesn’t list a part for it. All the replacement PAS pumps I have seen come with this hose-tail already attached.

    I too have a power steering leak and a similar question to yours but mine is on the high pressure side D2 Power Steering Pump Hose O-Ring?

    I am interested to know how many litres of PAS fluid are needed for the hose change over and bleed.
    Martin

    The secret to happiness is to truly want what you already have
    Oil leak?...Nah, sophisticated anti corrosion system!


    ‘04 D2a TD5 Manual “Snowy” – Daily
    ‘04 Def 90 TD5 "Hue" – New toy
    ‘03 Def 90 TD5 – Son's toy
    ‘16.5 D4 TDV6 – Gone




  4. #4
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    Just get a small flat head screwdriver to flip open the clamp, and fit a new "normal" hose clamp with the new hose. I actually would speculate that the pump itself is leaking between the 2 halves of the pump body. A common failure and leak point. Remedy is new pump unfortunately...
    The Isuzu 110. Solid and as dependable as a rock, coming soon with auto box😊
    The Range Rover L322 4.4.TTDV8 ....probably won't bother with the remap..😈

  5. #5
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    Quote Originally Posted by justinc View Post
    I actually would speculate that the pump itself is leaking between the 2 halves of the pump body. A common failure and leak point. Remedy is new pump unfortunately...
    I cleaned up a trail of coolant away from the water pump weep hole (I replaced the pump in early 2015 - it hasn’t lasted that well...) so I guess it’s probably a water pump, power steering pump and bracket o-ring replacement all in one hit coming up.
    Mine - modified MY03 LT L318 Discovery 2a HSE Td5 15P
    Hers - MY12 L319 Discovery 4 2.7L TDV6
    Dads - MY12 L319 Discovery 4 2.7L TDV6
    Sister-in-laws - MY98 LJ Discovery ES 3.9L V8

  6. #6
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    I wouldnt be overly concerned,, I did 3 pumps in 6 months,, and (the last) two were really good ones! put on by Pro's... or so HE told me,,,,
    "How long since you've visited The Good Oil?"

    '93 V8 Rossi
    '97 to '07. sold.
    '01 V8 D2
    '06 to 10. written off.
    '03 4.6 V8 HSE D2a with Tornado ECM
    '10 to '21
    '16.5 RRS SDV8
    '21 to Infinity and Beyond!


    1988 Isuzu Bus. V10 15L NA Diesel
    Home is where you park it..

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  7. #7
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    I did 3 pumps in 6 months
    OUCH! It is not only the cost of the pumps but the fluids aren't cheap either. Is it possible to change out the PAS pump while leaving the cooling system in tact (coolant pump with hoses still connected pushed out of the way)? Otherwise you're up for coolant as well. The RAVE manual doesn't mention anything about the coolant pump or the oil return pipe behind it that also looks to be in the way.
    Martin

    The secret to happiness is to truly want what you already have
    Oil leak?...Nah, sophisticated anti corrosion system!


    ‘04 D2a TD5 Manual “Snowy” – Daily
    ‘04 Def 90 TD5 "Hue" – New toy
    ‘03 Def 90 TD5 – Son's toy
    ‘16.5 D4 TDV6 – Gone




  8. #8
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    Quote Originally Posted by Max Headroom 2.3m View Post
    Is it possible to change out the PAS pump while leaving the cooling system in tact (coolant pump with hoses still connected pushed out of the way)?
    Yes, changing the PAS pump is reasonably quick and easy and does not require disturbing anything in the cooling system. Changing the water pump however requires moving the PAS pump out of the way to remove the bracket - it can be done leaving the bracket in situ but having successfully done this previously I would highly recommend against it - it's actually quicker, easier and less frustrating to remove the bracket than do in situ and you have the added bonus of changing the bracket o-ring seal too which is likely going to fail shortly if the pump has already.


    Back to the original topic I went to remove my PAS pump only to find that the high pressure fitting was almost finger tight only loose. I disconnected it, replaced the o-ring and have refitted.
    Turned out the water pump was also ok as I cleaned up the dried coolant train from the weep hole a fortnight ago, pressure tested the cooling system and replaced the bottom hose clamp on the top radiator hose to fix the only leak and in the past two weeks the reservoir hasn't gone down a drop and no visual evidence of coolant leaks underneath.
    Looks like I just got lucky...
    Mine - modified MY03 LT L318 Discovery 2a HSE Td5 15P
    Hers - MY12 L319 Discovery 4 2.7L TDV6
    Dads - MY12 L319 Discovery 4 2.7L TDV6
    Sister-in-laws - MY98 LJ Discovery ES 3.9L V8

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