FrozenNorthLGT Posted December 10, 2010 Share Posted December 10, 2010 So we got the first snow of the season and the awd in my 91 ss doesn't seem to be working. what is a good way to test it, and what should I check if it isn't...? Link to comment Share on other sites More sharing options...
subikid90 Posted December 10, 2010 Share Posted December 10, 2010 Ill ask the stupid questions first, is the driveshaft still in place? Is it an auto or manual? I think the easiest way it to find a safe place with a lot of snow and have someone stand out side then hit it hard. If all four spin then you are good. -Subikid90 1997 Legacy GT 5spd & EJ251 w/EJ25D heads ~10.5CR 1998 Legacy GT Limited waiting for EJ22T hybrid swap Link to comment Share on other sites More sharing options...
FrozenNorthLGT Posted December 10, 2010 Author Share Posted December 10, 2010 Lol...good questions...yes the driveshaft is still there, and its an auto. Gonna try that tonight to see after work. If the rears don't spin what should I check? Link to comment Share on other sites More sharing options...
subikid90 Posted December 10, 2010 Share Posted December 10, 2010 I dont know about the 1st gens but I know the 2nd gens have a FWD fuse on the pass side strut tower to put the car into FWD limp mode. Maybe someone else can chime in on that. Otherwise you maybe blew your rear diff, I would think you would have heard that happen. -Subikid90 1997 Legacy GT 5spd & EJ251 w/EJ25D heads ~10.5CR 1998 Legacy GT Limited waiting for EJ22T hybrid swap Link to comment Share on other sites More sharing options...
FrozenNorthLGT Posted December 10, 2010 Author Share Posted December 10, 2010 It has the spot for the fuse...nothing in it which should make it awe. Going to try putting one in after work and see if anything changes. Rear diff could be blown I suppose. I bought the car in the summer, and it has had the transfer and diff swapped...from a 92 NA. How can I check if the diffs blown short of taking the cover off...Jack up the rear and spin the tires? I'm assuming if its blown I can rotate one without the other moving?...it doesn't make any noise that I can tell...the car is pretty loud anyways...lol Link to comment Share on other sites More sharing options...
subikid90 Posted December 11, 2010 Share Posted December 11, 2010 You can jack the back end up and have someone spin the tires and watch for the drive shaft to spin while the tranny is in neutral. -Subikid90 1997 Legacy GT 5spd & EJ251 w/EJ25D heads ~10.5CR 1998 Legacy GT Limited waiting for EJ22T hybrid swap Link to comment Share on other sites More sharing options...
Platinum_Racing Posted December 11, 2010 Share Posted December 11, 2010 If the rear diff were blown you'd know it. And under normal conditions the spot for the fuse should be empty. If you insert the fuse the car will be in FWD mode. Without the fuse the car is in AWD. FWD mode is for diagnostic/emergency purposes only and should not be used for long commutes or daily driving. Link to comment Share on other sites More sharing options...
FrozenNorthLGT Posted December 11, 2010 Author Share Posted December 11, 2010 Ok, tried the burnout on snow in the parking lot after work tonight, and the guy I was working with said it didnt look like the rear wheels were moving much, if at all. What is the split f/r on a 91? Could I just be too used to my 05, and its snow donut happiness? I thought I read somewhere that the early AWD's were basically FWD with power only going to the rear under slippage and even then its not much. I would think its enough to at least kick the rear end out though...hmmm. Wont be able to jack the rear up for a while, unless I get time tomorrow. I work straight till next friday... Link to comment Share on other sites More sharing options...
Jeffzguy Posted December 11, 2010 Share Posted December 11, 2010 Torque split is 90 front and 10 back. With at least the automatics the torque goes to 50-50 when under slip and on hills and stuff. Link to comment Share on other sites More sharing options...
FrozenNorthLGT Posted December 11, 2010 Author Share Posted December 11, 2010 Yeah I found that info last night too. So it would seem that once the fronts start spinning the rears should get going to. If I have time today Im going to reset the ecu/tcu, and then start trouble shooting from there. Link to comment Share on other sites More sharing options...
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