Heater not working 1988 740

Discussion in 'Volvo 740' started by not hereplease, Jan 12, 2004.

  1. not hereplease

    not hereplease Guest

    The first two or three inches of the pipe from the engine block to the
    heater is hot, from then on its cold or colder.
    I have checked the heater unit and are sure its not blocked or airlocked,
    any thoughts on what is going on here.
     
    not hereplease, Jan 12, 2004
    #1
  2. not hereplease

    James Sweet Guest


    You've got a blockage somewhere in the line, could be at the water pump, or
    anywhere else along the way. Does your heater control valve work?
     
    James Sweet, Jan 12, 2004
    #2
  3. not hereplease

    not hereplease Guest

    The heater worked for a short time yesterday.
    I stopped at a service stationthen when restarting the heater was not
    working again.
    I have blown through the heater so cant understand what's happening
     
    not hereplease, Jan 12, 2004
    #3
  4. not hereplease

    Peter Milnes Guest

    Quite possible that the hose has collapsed internally which will stop water
    movement.

    Cheers, Peter.

    : The first two or three inches of the pipe from the engine block to the
    : heater is hot, from then on its cold or colder.
    : I have checked the heater unit and are sure its not blocked or airlocked,
    : any thoughts on what is going on here.
    :
    :
     
    Peter Milnes, Jan 13, 2004
    #4
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