Heater not working 1988 740

  • Thread starter Thread starter not hereplease
  • Start date Start date
N

not hereplease

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@not here.com said:
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.
Click to expand...


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?
 
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
 
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.
:
:
 
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