1993 GMC Suburban power train problems
10 owner complaints filed with NHTSA name the power train on the 1993 GMC Suburban — 5% of all complaints for this model year.
What owners report
“Rear differential carrier on my 1993 suburban k1500 broke and locked the rear wheels, form my understanding this is a common occurance on these trucks and gm should be aware of how often these thinsg break and the potential for loss of vehicle control of this happened at high speed.”
filed Feb 12, 2004
“This failure has occurred 4 times over the last two years with no method of correction by gmc. No safety defect stated in summary. *ak”
filed Nov 15, 2000
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
Diagnosis of cracked or broken transmission case. *tt 2006 and prior cars and light duty trucks. *tt
020730024A · Service Bulletin/Repair Instructions · issued Aug 1, 2005Diagnostic information for intermittent transmission downshift, slip, busy/cycling tcc or noisy cooling fan. *tt
990730016A · Service Bulletin/Repair Instructions · issued Oct 1, 2002
Power Train problems in other Suburban years
| Year | Reports | Share |
|---|---|---|
| 1999 Suburban | 21 | 7% |
| 1998 Suburban | 15 | 15% |
| 1997 Suburban | 24 | 12% |
| 1996 Suburban | 13 | 8% |
| 1995 Suburban | 11 | 5% |
| 1994 Suburban | 10 | 2% |
| 1992 Suburban | 2 | 3% |
| 1991 Suburban | 1 | 3% |
| 1990 Suburban | 2 | 9% |
Other reported problem areas on the 1993 GMC Suburban
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.