Differential Damage??

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Author Message   Henry Enriquez (Discoinla) Posted on Monday, June 24, 2002 - 02:45 pm:    I was on my way home from Las Vegas to Los Angeles when I ran into traffic and decided to take the road less traveled (a dirt road running parallel to the freeway). Anyway, I guess I messed w/ the differential lock and left it on high. I travelled approximately 75 miles @ an average of 85-95MPH and at a downhill portion of the trip, I noticed my tach was only at 500RPMs at 90MPH. My '94 Disco was not going anywhere until I realized it was on high. So I placed the differential on neutral and started going again. My question is: how much damage did I cause to my baby?? Sorry this post is so long!   gp (Garrett) Posted on Monday, June 24, 2002 - 02:50 pm:    500 RPM's doing 90 MPH??? are you suuuuuure about that. interesting.   Mike Rupp (Mike_Rupp) Posted on Monday, June 24, 2002 - 02:55 pm:    The only way I could fathom 500 rpm at 90 mph would be either the transmission or the t-case was in neutral and the engine was idling.   Henry Enriquez (Discoinla) Posted on Monday, June 24, 2002 - 03:15 pm:    Yup...the 500 RPM, well, okay, maybe 800-ish, but it was at idle...when I stepped on the accelarator, all the engine did was rev and nothing else...   M. K. Watson (Lrover94) Posted on Monday, June 24, 2002 - 07:30 pm:    "and at a downhill portion of the trip, I noticed my tach was only at 500RPMs at 90MPH." how steep was that hill? mike w   BMac66 Posted on Monday, June 24, 2002 - 07:42 pm:    Sounds like the transfer case wasn't properly in gear and jumped out on the over run ( abit like 1st gear in my Series 3 shitbox ). Test driving a few Discos before we bought one, I found most had trouble going back into High and would some times jump out soon after. Your average salemans gets a worried look on his face when this happens in traffic( knock off a coupla hundred for the iffy gearbox will ya ??). I think this is caused by a lack of exercise. Bruce.