2002 Buick Century

http://Nissan.autoboardz.com/Fluid-Maintenance-2002-Buick-find-ftopict249732.html (Fluid Maintenance for 2002 Buick? Cannot find it)
2002 Buick Century Custom, V6 Looking for scheduled maintenance for oil, tranny, brake fluids. Number of miles/time between changing these fluids. Actually need to know the interval for all the maintenance for this car. I have the owner's manual and it is NOT helpful. Searched Google using various..

http://Nissan.autoboardz.com/2002-Buick-Century-3100-Engine-P0133-ftopict249754.html (2002 Buick Century 3100 Engine--> P0133)
Thought I would have this licked. Got this code when SES light came on. Checked code at auto* and said "Oxygen Sensor Circuit Slow Response (Bank1, Sensor1)" Since I have 188K miles on it I elected to replace the sensor. Did so and had computer codes cleared. Then about 5 miles into test driving t..
« Check your e-mail -GV »
« Ok or not, need your proper e-mail address to send you the diag chart, can't attach binaries to this group. -GV »
« Hookup a scan tool and see what the O2 sensor is doing. »
« Hello, I have been away Im sorry I have not answered the posts. I ended up taking it to a repair shop. This is what they found out. The 02 sensor was not communicating at all with the pcm. They chec.. »

http://Nissan.autoboardz.com/2002-Buick-Century-Fuel-Pump-Replacement-ftopict249759.html (2002 Buick Century Fuel Pump Replacement)
Im pretty good at repairs but have never done a fuel pump in the tank before. According to the hayes guide there is a access panel in either the trunk or behind the back seat to access the pump. How hard is this really going to be? Any advice for me? I will be disconnecting the battery and not smo..

http://Nissan.autoboardz.com/2002-Buick-Century-crankshaft-sensor-data-ftopict249804.html (2002 Buick Century crankshaft sensor data)
Does anyone know if the crankshaft sensor data is available at the OBDII port? I ask this because many scanners will show that they read the crankshaft sensor data but when I buy them, they do not show that data. They say it evidently is not available at the OBDII port. Any help?

http://Nissan.autoboardz.com/Life-2002-Buick-Century-ftopict249839.html (Life of A.C. 2002 Buick Century)
I was shocked today to receive the repair for my AC repair..over $700. The car has been well cared for and has about 40k. Wondering if this is typical or did the garage do some creative billing? What is the usual life of an AC?
« You don't tell us a thing about what was wrong or what was done to your AC. You want us to give you a "creative" answer. The mileage is a bit low. If the vehicle sat all winter and never had the AC/.. »
« Depends. My '91 Regal was repaired correctly after three attempts by the dealer when it was about 2 years old. Lasted until this past year with 148,000 miles. Did it really need $700 in repair.. »
« A long time. My 92 G/A has never had the a/c worked on, never had to add r-12, and it still keeps me comfortably cool in the Houston summer time when the temp reaches the 100's F. »
« I'm shocked that "you" were shocked! Did you just drop the car off and say "fix it"? Did you get an estimate? Did you ask them to diagnose it first and give you an idea of what it needed? You got.. »