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10th January 2019, 08:51 | #1 |
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MG ZT 190 Join Date: Oct 2011
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Cold bottom hose
So after a run car not heating up bottom of the radiator is cold is that thermostat or airlock (diesel)
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10th January 2019, 11:11 | #2 |
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Rover 75 2.5 Connoisseur Auto (1999) Dealer launch model. Join Date: Mar 2007
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If the thermostat was not opening, causing the bottom radiator hose to remain cold, the engine would get hotter. It would also be a very unusual mode of failure on a diesel cooling system.
If you're losing coolant or have had work done on the car requiring draining of the coolant, then you may have an air lock if it wasn't bled properly. Alternatively the radiator may be blocked. What does the temperature gauge show? Simon
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10th January 2019, 11:37 | #3 |
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MG ZT 190 Join Date: Oct 2011
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Hi mate temp gauge normal no water loss what's best way to bleed then
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10th January 2019, 11:46 | #4 |
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Rover75 and Mreg Corsa. Join Date: Nov 2006
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Sounds like the typical diesel cold feet problem due to thermostat deterioration (early opening/over-cooling). If so, most people fix it by doing the in-line thermostat modification. There's literally hours of reading on this and one or two HowTos around.
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10th January 2019, 12:09 | #5 |
Doesn't do things by halves
Rover 75 2.5 Connoisseur Auto (1999) Dealer launch model. Join Date: Mar 2007
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When you say the "car" do you mean the heater isn't performing then?
Here's the MGR procedure for the diesel engine. Simon
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