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19th June 2019, 18:33 | #1 |
Gets stuck in
MGZT-T Join Date: Oct 2014
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How much pressure to test cooling system.
Hi All,
Whilst waiting for my new cooling fan to arrive, I thought I would test the cooling system for leaks. Read some horror stories about people damaging the system by over pressurising. What pressure should I pump the cooling system up to, and how long should I leave it pressurised? Phil |
19th June 2019, 19:05 | #2 |
I really should get out more.......
75 tourer cdti, MG ZS 180, nissan terrano & 1.8t rover 25 Join Date: Feb 2010
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Go up to the cap release pressure (roughly 21psi). However if your planning on testing ideally you'd want 21psi at operating temperature. A cold test will prove any major leaks but may not show hairline cracks or pin holes that open at higher temperatures.
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19th June 2019, 19:31 | #3 |
This is my second home
Rover75 and Mreg Corsa. Join Date: Nov 2006
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