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'91 740T Cooling System 700

posted by  dobiesan on  Mon Dec 6 06:21 CST 2004
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last visit: Sat May 3 21:38 CST 2014
[RELATED]

Having blown (2) hoses and not cooked the motor, I've now replaced all cooling system hoses. One thing that I did note was that when the hoses blew(green cap) the aux. a/c fan did not operate (I have bridged it and it does operate).
On a 740T, should it activate in an 'overheat' situation with a/c off or only operate when the a/c is on?
Also, I don't thrash the car, but how important is the coolant pressure?
Should I replace the green cap with a black or white?

Summers coming downunder!
Thanks in advance!






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