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Author Heater problem
Shelly
Premium Member

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Registered: 15th Nov 00
Location: Lancashire Drives: Astra H VXR
User status: Offline
21st Nov 09 at 10:09   View Garage View User's Profile U2U Member Reply With Quote
My heaters blow, but only just warm when they are on full hot temperature.

Water level is ok, and engine temperature seems normal.

Any ideas what it could be?


Thanks

Richie
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Registered: 3rd Dec 02
Location: Newport, Wales
User status: Offline
21st Nov 09 at 10:29   View User's Profile U2U Member Reply With Quote
The engines not warm?

Nah the most common cause of this is an airlock in the heater matrix from the water level running low. Are you checking the water level when the car is cold?

Quickest method of sorting it out is taking the lid off the header tank bottle, start the engine and leave it running for 20 mins / half hour with the heaters on hot and full blast
Shelly
Premium Member

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Registered: 15th Nov 00
Location: Lancashire Drives: Astra H VXR
User status: Offline
21st Nov 09 at 10:33   View Garage View User's Profile U2U Member Reply With Quote
thankyou richie, will give that a blast!
Adam-D
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Registered: 11th May 02
Location: Cheshire
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21st Nov 09 at 13:18   View User's Profile U2U Member Reply With Quote
car?
Shelly
Premium Member

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Registered: 15th Nov 00
Location: Lancashire Drives: Astra H VXR
User status: Offline
23rd Nov 09 at 21:36   View Garage View User's Profile U2U Member Reply With Quote
didn't work
Adam-D
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Registered: 11th May 02
Location: Cheshire
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23rd Nov 09 at 23:21   View User's Profile U2U Member Reply With Quote
what car?
engine?
tintin
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Registered: 24th Oct 02
Location: Southampton
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25th Nov 09 at 10:21   View User's Profile U2U Member Reply With Quote
Your matrix maybe partially blocked. I would suggest disconnecting your bottom rad hose and fluching teh system through with a hose pipe. Maybe run a coolant cleaner through teh system first though.
8vcorsa
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Registered: 6th Dec 09
Location: Conwy
User status: Offline
8th Jan 10 at 20:59   View User's Profile U2U Member Reply With Quote
what about thermastat

 
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