1993 GMC K2500 Suburban Service and Repair Manual
This factory service and repair manual for the 1993 GMC K2500 Suburban documents the four-door sport utility in Base and SLE trim with a choice of two engines, the 7.4L V8 and the 5.7L V8. Both are gasoline, both naturally aspirated and both overhead-valve, which means the engine sections differ chiefly in displacement, capacities and torque values rather than in architecture. Diagnostics, wiring diagrams and service procedures for the rest of the vehicle apply to either build.
Engines covered
- 7.4L V8 (454 cu in) — OHV, naturally aspirated, gasoline
- 5.7L V8 (350 cu in) — OHV, naturally aspirated, gasoline
Body styles covered
- 4-door sport utility
Trims covered
- Base
- SLE
Known issues on the 1993 K2500 Suburban. The federal record shows three recalls for this year. One is a transmission that can force fluid out of the vent tube when heat rises beyond expectation, the fluid being able to catch alight; the other two involve replacement filters, fuel filters that may not seal at the connection and leak, and oil filters that can lose engine oil the same way. Two complaints from owners reached NHTSA, one about the service brakes and one about the seats. Brake specifications and transmission procedures are where the manual meets those reports.
