Question about 2003 Land Rover Discovery
This started about 2 months ago, the car would lose water or bubble up and out of Header Tank
There has only been one instance when the temperature gauge in the car altered to show high temperature, usually the car loses water but the temp gauge stays unaltered.
Things I have done to try to solve this:-
• Replaced Thermostat
• Replaced Header Tank & Cap which blew on May Day Bank Holiday
• Replaced Top Hose
(System filled from screw cap on top of radiator whilst running and
header cap off)
• Pressure Tested via RAC(Whilst Hot)
• Pressure tested when cold at land Rover Specialist this showed small leak from a core plug and from engine case but not big enough to worry about
THE WATER LOSS PROBLEMS NOW SEEM TO BE SOLVED !
Car now for the first time, gets hot, never done this previously did it on Sunday 14th June on a 100+ mile round trip to the coast. Temp gauge went between half way(usual running temp) and the red at this point the heater was on and blowers.(Was a very Hot Day)
Monday, ran the car on short runs for 3 hours stopping and starting and had to stop to wait for someone the car started to heat up.
Under the bonnet the top hose felt hot but hard, don’t know if this because hose is new or if there is a pressure problem. There is also a smell of engine coolant coming through the heater vents from time to time.
Sounds to me like you have a blocked heater matrix or coolant radiator
Posted on Jul 22, 2009
You need to replace the heater core and pressure text the radiator cap, replace if it leaks down go to a parts store to do this also you need to replace freeze plugs if you don't they will blow and ruin the engine,a slo check that the water pump is not bad, loosen the pump belt and see if you can wiggle the water pump with fan connected, if you have any play replace the water pump. and add new anti freeze.
Posted on Jun 18, 2009
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Posted on Jan 02, 2017
I have experienced a few radiators on both discoveries and series 2 range rovers being blocked causing overheating. Also might pay to check your fan hub when the engine is hot switch off and check how freely you can turn the fan
Posted on Sep 25, 2009
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