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This morning it was teeth chattering cccccold, about -5F.
My 92 745 started right up, and came up to normal temp on the gauge, as usual but when I turned the heater fan on, only cold air blew out. I drove several miles (freezing) then SUDDENLY, the heat starts to flow. Normally, the heater blasts the heat right out, after about 5 minutes it is fully warmed up. Not today, it was about 20 minutes, and the whole time time the temp gauge right where it is supposed to be. I am puzzled.
Normal coolant level in the overfill tank (about 1/2 full), no coolant loss, hoses good, coolant flushed and replaced Nov 2003. What gives???
I would appreciate any thoughts as I am not looking forward to another morning drive like today, it will be even colder this weekend. BRRRRRRRRR.
Thanks for the help
Steve Martinsen in CT
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