Date: Sun, 26 Mar 2000 10:04:07 -0500
From: Four Weis <mweinopsamcom>
Subject: Re: Inefficient A/C

Alfred wrote: > Hi folks, > > Just bought a 900se 2.5 V6. I live in the US and the 900 has been replaced by the 9-3. If this is true where you live, this is a used car. If it is new, then Saab is still using the 900 name outside of the US. > Love the car a lot, but the a/c seems not working efficiently. I notice > that > the 'blue zone' (for cold air) on the thermostat is very short, in > comparison > with the 'red zone' (for warm air). Does it mean that the system is already > 'born' with very limited cooling capability? I have an older Saab and it's AC was always weak compared to Volvo and Toyotas. > I am living in Hong Kong and the day time temperature is around 23C. Even > the thermostat is set at the "blue zone', the air coming out is simply not > cooled > enough. You may say there is little air conditioning effect. > Summer is coming very soon and the temp. will rise to over 30C! I must > have that fixed in time. > > I am wondering : > > 1. If the a/c coolant is low ? > If so, how can I check from the gauge located behind the front grill? Is it > difficult to refill by myself? > > 2. If I can change a more powerful compressor ? > If so, do you have the part no. or so? > > Any of you have similar experience to share with? I know one technique to "enhance" the cooling capcity of radiator. In the Southwest desert area of the US they trickle water over the "radiator" of the Air conditioners to improve its cool capacity. The same concept was used to keep "demolition derby" cars cooler. A windshield fluid pump was used to pump water over the radiator. You can prove this concept to yourself without any modifcations. Use a thermometer to determine the difference between the AC air and the outside air on a dry day. Do the same while driving on a rainy day. You should notice a greater cooling effect on the rainy day because of rain on the radiator ASSUMING all components (relays, cooling fans, valves, compressor, thermostat, controls etc) are working as designed, you could try the windshield fluid pump for an inexpensive fix.. > I used to drive a 9000CD 2.3T with ACC. The a/c is an icebox! > > BTW, I know Saab is a very good winter car, but I want to tell Saab > engineers > that Saab is susceptible to over-heating in hot weather region like here. I > hope > they can deliver the Saabs with bigger radiator/water tank for the Asian > markets, just like the Japanese do. Don't bet on Saab doing anything special. GM has a substantial influence on Saab now. Basic design may not be controlled, but allocating funds to develop special modifications for relatively few cars will be denied by the people looking at the bottom line. But, then, you never know until you ask, they just might do it. Try contacting the dealer and importer to see if they would send the request to Saab headquarters. Good Luck! > Many thanks, > > Alfred

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