Hi I have a 1989 G reg 1000cc manual mini and I have today been trying to sort out the cooling system and its still not getting water all the way around the cooling system I have replaced the thermostat in the engine and flushed system out b4 I replaced it and still the water is not getting to the heater the matrix in the heater is stone cold even though the engine is red hot could it be the water pump thats knackered and is this safe to drive.
Cooling System
Started by
Tigger0306
, May 18 2013 01:36 PM
9 replies to this topic
#2
cal844
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Posted 18 May 2013 - 01:43 PM
have you pulled the heater valve open?
#3
Camel
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Posted 18 May 2013 - 01:51 PM
This might sound stupid but it worked for me. Try driving up and then down a really steep hill.
#4
Tigger0306
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Just On Tickover
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Posted 18 May 2013 - 02:21 PM
Yes I have open that and its been sat on my drive for an hr and still it won't get hot water to the heater matrix
#5
Dan
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Posted 18 May 2013 - 05:09 PM
It's quite common for the pump not to deliver enough pressure to get water into the heater at idle. As said above take it for a drive to see if the flushing has done the trick.
#6
Tigger0306
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Posted 18 May 2013 - 05:47 PM
Well just emptied the system and there is a rainbow in the water is when it was put in to a bowl is that head gasket gone and could that be my problem just need some help as never had this with my other minis
#7
Dan
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Posted 18 May 2013 - 06:14 PM
I wouldn't worry about that at all, if the only sign of oil is a enough floating on the surface to make a rainbow but not enough to actually make a thick floating mess then there is only a trace present. It could have come from anywhere, including the container not being clean to start with.
#8
Tigger0306
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Posted 19 May 2013 - 09:36 PM
Took the pipes to heater out so just got a pipe running from heater valve back to bottom hose and still the pipe ain't getting hot like it should sick of this don't know what to do now come on someone plz help of its going to be a call to mini sports see what they can come up with.
#9
Dan
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Posted 19 May 2013 - 09:45 PM
Have you looked at the water pump?
#10
tsumini
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Posted 20 May 2013 - 12:25 AM
Took the pipes to heater out so just got a pipe running from heater valve back to bottom hose and still the pipe ain't getting hot like it should sick of this don't know what to do now come on someone plz help of its going to be a call to mini sports see what they can come up with.
Disconnect pipe from heater valve to bottom of radiator hose. Run the engine with heater valve open. If water doesn't come out then passage is blocked/plugged up. Head gasket blocking passage?
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