Robin
Premium Member
Registered: 7th Jan 04
Location: Northants Drives: Clio 182 Cup
User status: Offline
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my heater doesnt actually warm up, ever, and my coolant temp never ever goes above 90 degrees, its like driving a fridge
what could be the cause of the problem?
thermostat?
heater matrix pipes?
the fact that my radiator is the size of holland and is no longer obscured by the aircon rad so is working too well?
someone please tell me, as i'm really struggling to drive my car due to the sheer coldness
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Mistamist
Member
Registered: 16th Jul 03
Location: Gillingham, Kent
User status: Offline
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you may have an air lock around the heater matrix area, the size of the rad shouldnt matter as it doesnt really come into play untill the thermostat is open, which is around the 88-90 mark.
try opening the header tank cap and letting the engine warm up, let the engine get hot and the water may overflow the header tank, rev the engine and the water will drop, then put the cap back on (dont burn yourself)
hopefully now you should have pushed the air out of the system and will have a toasty warm car. 
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Robin
Premium Member
Registered: 7th Jan 04
Location: Northants Drives: Clio 182 Cup
User status: Offline
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quote:
Originally posted by M15T XE
you may have an air lock around the heater matrix area, the size of the rad shouldnt matter as it doesnt really come into play untill the thermostat is open, which is around the 88-90 mark.
try opening the header tank cap and letting the engine warm up, let the engine get hot and the water may overflow the header tank, rev the engine and the water will drop, then put the cap back on (dont burn yourself)
hopefully now you should have pushed the air out of the system and will have a toasty warm car.
right, so if the thermostat is stuck slightly open, would it make the heater not work?
i'll do the airlock thing tomorrow, although i've done it twice now since the engine was swapped
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Mistamist
Member
Registered: 16th Jul 03
Location: Gillingham, Kent
User status: Offline
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yeah if the thermostat was stuck open it would take ages for the car to warm up, especially with the cold weather. the water will be prematurely through the rad and never really gaining any heat from the head.
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Robin
Premium Member
Registered: 7th Jan 04
Location: Northants Drives: Clio 182 Cup
User status: Offline
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ace, i'm gonna fix it tomorrow then cheers dude
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RobHayes
Member
Registered: 6th Sep 03
Location: Lincolnshire
User status: Offline
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i would suggest airlock, as you've had the coolant system drained recently
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Robin
Premium Member
Registered: 7th Jan 04
Location: Northants Drives: Clio 182 Cup
User status: Offline
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i shall try this again then
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