Look to see if your clutch on the compressor is engaged first, if you are getting heat instead of a/c and the clutch is engaged then it sounds like it could be the temp door actuator Try www.blazerforum.com you will find all or almost all of the answers to your questions there.
To many steps to list here. I suggest purchasing a shop manual for that vehicle if you intend on doing this job yourself.
To many steps to list here, would recomend purchasing a shop manual if you intend on replacing that heater core yourself.
The owners of GM vehicles can download their owners manual and other information here: http://www.gm.com/gmownercenter/ You will need a Yahoo! ID and the VIN number.
Freon R134a has different names. It's also known as 1,1,1,2-tetrafluoroethane, HFC-134a, Freon 134a, SUVA-134a Genetron-134a, Forane-134a KLEA-134a. (Depending on the company or manufacturer)You can easily find the MSDS by searching it as R134A or SUVA 134A, that replaced Freon 12.Here are some links that might help you out.http://www.refrigerants.com/msds/r134a.pdfhttp://msds.dupont.com/msds/pdfs/EN/PEN_09004a2f8000721c.pdf
Need a little more info here, like whether you're replacing it on a manual or automatic, and, in the case of the latter, if you're trying to change a column shift to a floor shift.
Help us out here 4.9 liter what?
Here to There was created in 1997.
Yes you can put a 350 in a blazer, I am about to start this very project on my 85 model. You will need a few things to do it. Don't know if this site will let me do this but here goes nothing if you email me at madjay73 at aol.com I will give you some help with getting together a list of things you will need.
You Are Here - 1997 was released on: USA: 8 November 1997 (Fort Lauderdale International Film Festival)
just had same problem on 96 replaced head light switch in dash not had problem since wiggled switch first flickering matche wiggle
Stops Here was created in 1997.
Robyn Is Here was created in 1997.