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Cooling System Pressure Question

In message <337B521C@mailhost2.sidley.com> "Dupree, Robert A." writes:

>  After my expensive repairs I have been somewhat worried about my cooling   
> system.  Under how much pressure should the top hose (radiator to block)   
> be?

The system is rated at around 1.2 to 1.35 bar maximum overpressure.

Yes, the hoses get quite stiff.

 Phil Payne
 Committee Member, UK Audi [ur-]quattro Owners Club