i have a 93 fullsize blazer 4 inch lift 33 12.50 / 15 350 5.7
the front diff stopped working..i check the transfer case switch and it is working properly, i also checked the accuator it is workign properly...i got a used diff from a junk yard. i check this diff manually by placing a screwdriver where the accuator would go and turned the drive shaft... all ok..worked the way it was supposed to...i pulled the old diff and installed this one from the junk yard...still the 4x4 doesnt work..i noticed that the diff i got from the yard was from a 93 gmc yukon....is the length of the accutors diffrent from the gmc yukon and the chevy blazer?? any help? the transfer case goes into gear its just not putting the front diff in gear...help i need to get to the beach where the fish are....