2005 Vauxhall Astra 1.6 se manual Coolant system

Vauxhall Astra Problem
The Problem
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addie

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Coolant system
Nov 12, 2011 (8 years ago)
fitted new water pump car was fine for amonth now its boiling through the
expansion bottle Ithink its a air lock any ideas how to clear it

Car details
Car: Vauxhall Astra
Variant: 1.6 se manual
Model Year: 2005
Category: Engine & Drivetrain

Recalls: Vauxhall Astra Recalls
More: Vauxhall Astra Problems
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Replies and solutions
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Witty
Fixes: 733
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Nov 12, 2011 (8 years ago)
Start car from cold with heater controls on full heat and take the filler cap off the expansion tank. Wait until the car gets up to near normal running temperature by using a little acceleration and replace the filler cap on expansion tank before it boils over. This usually clears any air locks.
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