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Thread: Fuel cooler hose routing ???

  1. 15th July 2017, 02:50 PM #1
    Stuck
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    Fuel cooler hose routing ???

    To cut a long story short, Does the coolant hose from the front of the fuel cooler go to the upper or lower fitting on the radiator tank ?. I'm presuming that the restrictor (bullet shaped and about 2" long) that I found lying on the ground sits in the upper fitting and do the two hoses run inboard of the big radiator hose or do they run between the big hose and the chassis rail ?.

    Thanks in advance.
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  2. 15th July 2017, 06:57 PM #2
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    From what I have gathered, the top spigot takes the hose from the oil cooler, around the back of the engine. The bottom one is the one you want, however, if the radiator you have is the updated one, the top spigot is blanked off. That constrictor should be placed in the system at the fuel cooler.

    https://www.aulro.com/afvb/attachmen...in-l8711bu.pdf
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  3. 16th July 2017, 11:53 AM #3
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    Check this out

    Coolant flow.jpg
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  4. 16th July 2017, 12:44 PM #4
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    Was looking for this info as well, I'm planning installing a new radiator and hoses later this month and was looking at removing the EGR cooler at the same time.
    So thanks sierrafery! Saved me looking up in rave!
    Anyway has anyone removed the EGR cooler?
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  5. 16th July 2017, 12:56 PM #5
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    I didnt have one cos mine is 10P but I'd remove it if i was you cos it's just a possible source of coolant leak
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  6. 16th July 2017, 06:44 PM #6
    kelvo
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    Quote Originally Posted by Lemo View Post
    Anyway has anyone removed the EGR cooler?
    Yes, I have.

    19mm silicon cap at the oil cooler outlet, and a 6mm (I think) cap on the nipple at the expansion/header tank.

    All redundant pipework removed, I had to cut the steel pipe that runs behind the engine to get that out.
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  7. 16th July 2017, 06:49 PM #7
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    I imagine if you removed the EGR valve, that would make the EGR cooler redundant. However there must have been a good reason to have a cooler in the upgraded engine. Can any one enlighten us?
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  8. 16th July 2017, 07:06 PM #8
    kelvo
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    My guess would come down to emissions/fuel economy.

    Allowing hot (200*C+) exhaust gas into the inlet is going to reduce engine efficiency. But cooling these exhaust gases down will reduce the heat impact. Hope that makes sense.
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  9. 16th July 2017, 07:24 PM #9
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    Quote Originally Posted by kelvo View Post
    Yes, I have.

    19mm silicon cap at the oil cooler outlet, and a 6mm (I think) cap on the nipple at the expansion/header tank.

    All redundant pipework removed, I had to cut the steel pipe that runs behind the engine to get that out.
    Hey Kelvo,
    So you removed the hoses and pipe work from the oil cooler?? Dose that not allow flow through it??
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  10. 16th July 2017, 07:26 PM #10
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    Quote Originally Posted by kelvo View Post
    My guess would come down to emissions/fuel economy.

    Allowing hot (200*C+) exhaust gas into the inlet is going to reduce engine efficiency. But cooling these exhaust gases down will reduce the heat impact. Hope that makes sense.
    So, removing the cooler, without removing the EGR Valve would do what? overheat the engine? Reduce engine efficiency, promoting chipping the engine, producing more heat, promoting head gasket failure? Or not.
    I’m pretty sure the dinosaurs died out when they stopped gathering food and started having meetings to discuss gathering food

    A bookshop is one of the only pieces of evidence we have that people are still thinking
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