09-01-2021, 10:25 AM
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Member
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Join Date: Sep 2013
Location: NJ
Posts: 412
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Quote:
Originally Posted by cn90
- Park the car overnight.
- In the morning, start slow and drive slowly...if AC works fine for a few miles (bc coolant temp is not hot yet), then starting getting warm as you drive, then trouble-shoot the heater valve.
- Another approach is GENTLY clamp the heater hoses x2, leave car on driveway, run AC to see if it gets cold. This is another way to diagnose heater valve issues.
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Good point, Thank you.
Thanks to all as well.
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2002 X5 4.4i Sport Wheels
2014 X5 35i M Appearance & suspension package
1995 Porsche 993
1972 Porsche 914-6
2020 GLE 450 Twin Turbo
2019 Alfa Stelvio 500hp Quadrifogilo
Many motorcycles 
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