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What is this? Engine part Peugeot 206

  • 02-08-2010 7:19pm
    #1
    Wats_in_a_name
    Registered Users, Registered Users 2 Posts: 838 ✭✭✭


    Does anyone know what this is?

    2z50fx4.jpg
    2gxphds.jpg


Comments

  • #2
    Plug
    Registered Users, Registered Users 2 Posts: 9,248 ✭✭✭Plug


    It leaves out air in the cooling system, its manually operated. Its like a tyre valve.


  • #3
    the merchant
    Registered Users, Registered Users 2 Posts: 547 ✭✭✭the merchant


    Heater pipes, hot water flows through them into your heater matrix under the dash.


  • #4
    Wats_in_a_name
    Registered Users, Registered Users 2 Posts: 838 ✭✭✭Wats_in_a_name


    Sorry for the big photos didn't realise they were so big.

    I unscrewed it and some water/liquid came out. Only a tablespoon at most. Anything to be worried about?

    I always fiddle with stuff then pannick straight after!


  • #5
    benny_cakes
    Registered Users, Registered Users 2 Posts: 32 ✭benny_cakes


    Its for bleeding the cooling system of air in order to prevent air locks. Its quite common on french cars. There should be 2 to 3 of these.....1 should be near the radiator, another around the middle of the engine somewhere & then that 1 in the photo behind the engine. These are generally only opened when replacing the coolant.

    The theory behind it is as follows.....

    Generally in order to bleed the cooling system properly, the radiator is filled up with coolant, the bottom is cut out of an empty plastic bottle and the cork end is inserted into where the radiator cap goes (the seal must be fairly good) & its filled with coolant to keep the level of coolant at a higher level than the cooling system, then the bleed screws are opened one at a time only, starting at the bleed screw at the furthest point from the radiator....i.e. the bleed screw in the photo. The level of coolant in the upturned bottel is kept at a constant higher level than cooling system so when the bleed screws are opened any air in the system will automatically be realised as it has no other point of escape.

    Leave well alone & d'ont open again!


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