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Robert
Robert, Vauxhall Technician
Category: Vauxhall
Satisfied Customers: 4570
Experience:  Fully qualified 19+yrs exp/self employed technician in the UK
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How do I undo the expansion header tank on a vauxhall insi

Resolved Question:

How do I undo the expansion header tank on a vauxhall insignia?
Submitted: 2 years ago.
Category: Vauxhall
Expert:  Robert replied 2 years ago.

Hi..Apoligies for the delay..

What exactly is wrong with the cap? is its stuck or just spinning on the tank?

Customer: replied 2 years ago.
I can unscrew the cap a little bit and then it goes tight again.
Customer: replied 2 years ago.
I can unscrew the cap about a full turn and then it doesn't turn anymore.
Expert:  Robert replied 2 years ago.

Hi..there apoligies for the delay had a internet issue and couldnt get back on..

As per the cap they just un screw in an anti clockwise direction,sometimes you have to put a bit of pressure on the cap to undo - as its only a screw cap on these cars/expension tanks..by the sound of it as per you description - if its going tight when unscrewing then it sounds likes is crossed thread so it will only undo so far a retighten..maybe try a slight more force on the cap - failing that the cap "may" have to be cut down sides to release the cap from the neck of the tank..but as above try a little bit more turning force on the cap and see if that helps..I do hope this helps

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