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Only one hypothetical effect....... Posted by MI-Roger [Email] ![]() ![]() In Reply to: I live in New England......., Bruce A, Fri, 17 Apr 2015 19:35:01 Members do not see ads below this line. - Help Keep This Site Online - Signup |
The By-Pass solenoid is actuated when the A/C system call for Max cooling. The valve strokes and all engine coolant is blocked from entering the heater core where it theoretically will slightly interfere with the A/C efficiency because the coolant is hot. Remember, there is another valve that regulates how much engine coolant is in the heater core to control heater operation and it would be closed at this time anyway.
The MacKay hose set is fitted to ALL 9-5 cars which do not have Automatic Climate Control. ACC was standard in the US market but was an option everywhere else in the world.
No interference to heating. Hypothetical interference to A/C efficiency when in Max cooling mode only.
->Posting last edited on Sat, 18 Apr 2015 03:02:43.
_______________________________________ Saabs owned: 2008 9-5 Aero Sedan, sold at 227K miles 2006 9-3SC 2.0T - Wife's daily driver 2000 Viggen Convertible - Sold May, 2022 1964 Quantum IV Formula Car - Retirement project 2000 9-5lpt Sedan, sold at 318K miles
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