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Re: 240 aux cooling fan never runs[240-260/1992] posted by abe crombie on
Sunday, 28 June 1998, at 10:12 p.m.
The aux cooling fans on 91 and later 240's is only switched by a high pressure a/c line switch on the line below lower rad hose. If your ambient temp is not really high and you have rec button depressed then the pressure may not be reaching the level that runs fan.