Renault Extra 1.9 Diesel Van (F8Q Engine) - Help needed please
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  1. #1
    Tadpole
    Join Date
    May 2005
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    Leeds, UK
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    Default Renault Extra 1.9 Diesel Van (F8Q Engine) - Help needed please

    Hi folks

    I have the above model of vehicle, which seems a rare thing - It has the F8Q (1.9 litre ) diesel engine. I can't seem to get any help or info on this vehicle from anywhere.

    I recently purchased this Van, and although it is running fine, there is a small quantity of oil present in the coolant. I need to sort this out.

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    My questions are:

    1) Is this caused by a Head Gasket leak and would re-tightening (retorqueing) the Head help? Failing this, any other recommendations?

    2) I want to flush and refill the cooling system, and then see if (and how much) the problem gets worse or not - Looking beneath the vehicle, I can't find where to drain the coolant from - I don't see a drain plug, and although I can see a lower pipe going to the radiator, it is not in reach (can't get to it with my hand or hands).

    3) I hear that there is a correct order to flush and refill the system which must be followed, and perhaps a special tool needed - Anyone any thoughts.

    Any help anyone can offer is greatly appreciated as right now I feel like I am banging my head against a wall with so little information available on this vehicle and engine.

    Thank you
    Christian (In the UK)

  2. #2
    Simon's Avatar
    Join Date
    Jul 2000
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    Adelaide
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    6,203

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    Being a mainly Australian forum, you are likely to get few replies on this one as that motor was never available in Australia. See if you can get a mechanic to check a coolant sample for traces of combustion material which would indicate that there is a cylinder head leak.

  3. #3
    Tadpole
    Join Date
    May 2005
    Location
    Leeds, UK
    Posts
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    Thank you for your reply, Simon.

    I can't seem to find any other Forums on Renault vehicles on the Internet, and this (great!) forum appears on most of my searches.

    I have just sourced a Manual for the F8Q engine and I hope that it will help me.

    One question, on this Renault Diesel engine - Or anyone who has any experience with a similar Renault Diesel engine - I need to drain / flush the coolant.

    The bottom radiator hose is unreachable - I can't even reach in to touch it with one finger. How can I flush the system? Is there a drain plug on these engines? I can't find one. Anyone offer help, please?

    Thanks to all you guys 'down under' If you look back far enough, we are all related you know

    Chris

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  5. #5
    Tadpole
    Join Date
    May 2005
    Location
    Leeds, UK
    Posts
    3

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    Thanks for the Links, Andy.

    I have been told by a helpful chap that the oil leak into the coolant system might be caused by a leaky Oil Cooler - He also mentions this is a common problem with the Renault Oil Coolers. Hope it is this and not the head gasket.

    Next week I spend a lot of time on the vehicle - Might change the Oil cooler anyway, just in case - Fault diagnosis etc

    I have also been recommended to use Washing Up liquid (Fairy?) in the Coolant for a time to loosen the oil - Any thoughts?

    Chris

  6. #6
    Good Sport danielsydney's Avatar
    Join Date
    Jul 2001
    Location
    NSW
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    4,918

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    Candyman stick with the van as I think they are great little things. Highly robust....

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