Roosie

iTrader: (8)

my other post explain a prob i have.
i have no water going to my matrix bit it does flow pk as i put a hose in 1 end and it come out fine.
i took the metal pipe that goes accross the turbo manifold to matrix off and started car and its not flowing water at all. neither is water going from head to oil cooler pipe,
can someone tell or show me the way the water system flows ie were does it go from the header tank ect as im confused why water aint flowing to my matrix. ive took the thermostat out aswell to make it flow straight away but no avail

Graceland

Sounds like you have a water pump problem......................

Roosie

iTrader: (8)

well i would have thought with even with a lazy fuel pump it would flow a little but not at all?????
its been like it since i had it engine still stays cold ect just no heat seems like a water block

CosKev3

LOL

The impellor blades on WATER pump could have come off theshaft that belt drives on pump,not seen it on a cosworth before but have seen it on other cars

Neil S

iTrader: (1)

I'd say it was your water pump, or an almightly airlock somewhere. What happens when you open the bleed screw with the engine running?

There should ALWAYS be flow through the engine and heater matrix, regardless of what your thermostat is doing

Neil.

Roosie

iTrader: (8)

i took air screw out of housing and the water comes out little bit but constantly if u take the cap of the header tank its shoots out constantly!

Roosie

iTrader: (8)

i think there is a little water going through the matrix but not a lot.

Roosie

iTrader: (8)

does anyone know which one is water feed to the matrix top or bottom

Roosie

iTrader: (8)

surely that will mean the engine will run hot as it dont and its been like this since ive had it and its done 300miles ?

Roosie

iTrader: (8)

so does no one know what way the engine coolent system runs?

Csm

coolant runs in via the top hose

Roosie

iTrader: (8)

brillaint so the coolent runs through the metal pipe on near manfold from the front and goes towards back of engine into matrix.

my thermostat is not in so why fa fook is there no water going up there?
there is water to the thermostat housing then it goes to the matrix unless that little 90 degree bend between the thermostat and the metal pipe is blocked!

Graceland

As previously said, your water pump is bolloxed

Roosie

iTrader: (8)

any way of confirming this without taking it off.
and is it a big job

Roosie

iTrader: (8)

took water pump off!
all ok

blades are still there spins ok no leaks (even tho th epipe split that goes to water pump to thermostat housing when i took it off.

oh well thats one thing off the list that it could be

Mike Rainbird

iTrader: (3)

Check the foot-wells (normally passenger side) for any signs of water. It could be that the matrix is pissing this out into the footwell, but you should be able to smell the coolant inside the car and see the level changing.

Roosie

iTrader: (8)

nah mate matrix is fine no leaks at all.
goto get a new thermostat hosuing as mine is starting to corrode
anyone know if there expensive

Tony Ryan

Does the engine run hot at all ? You say in one of your posts that if you remove the Header tank cap it gushes out , this is normally what happens when you have a head gasket failure but im wondering if you have a really badly blocked rad , they get furred up with crap both sides at the bottom blocking half of the rad off , this would make it run hot but i dont see whay it would stop water getting to the heater ?

Fudgey

iTrader: (4)

funny you say that mike

just as i pulled into the park earlier to park up the drifter for the day, the windows instantly steamed up and i couldnt see fook all, then smelt summut, looked down and sure enough, the pass foot well was filling up with water

arsecheeks

Roosie

iTrader: (8)

ok well its on hold for today i think as i need a new thermostat housing as mine has started to corrode also i need a pipe that goes from housing to water pump as i split mine when taking it off!

Roosie

iTrader: (8)

ok just done compression check


1= 120
2= 117
3= 119
4= 120

ballin

iTrader: (1)

drain the system, shove a hosepipe on each hose or where you think the block is and hammer it.

if water comes through everywhere easily AND back out the other side of where it should be coming then no blocks, thats where i would start

gingeRS

do this

if you can put water up through the bottom hose away from rad, through rad, and also through head and heater matrix, at least that way you can confirm there is no blockages.

and go from there.

Fudgey

iTrader: (4)

thats why i asked what colour the water in the header was lol

clean or dirty lol??

Roosie

iTrader: (8)

right started my car up again today after putting a new thermostat and checked the water pump all ok.
must be matrix!

someone said on here water enters via the top hose into matrix!

well why when i take the bottom hose off and start the car the water comes out from the hose and not from the matrix, beacause if it was entering the matrix throught top then goes through the matrix and out the bottom, mine must be the oposite on this case

can someone confirm or dissagree that the water should enter through top hose or exit?

Neil S

iTrader: (1)

The question is meaningless - what happens if someone has swapped the hoses on the matrix?

Ask whether the flow is from the Thermostat housing to the Modine or the other way round

Neil.

PS I'm not being funny - I don't know which way it goes, and would like to know

markk

iTrader: (2)

i have changed countless heater matrix in sierras over the years, if the car keeps its temp ok when running and on boost, just no heat its the matrix, very few pumps fail on cossies, as tony says above check the rad when warm (runningtemp) feel the rad all over if its hot all over its gen ok