The service and repair manual for the 1993 GMC B7 — 6.0L V8 and 6.6L I6 engines, 2 trims. Matched to this exact model year, so the specifications and sequences are the ones GMC published for your car, not figures carried over from a neighbouring year.
01 / FitmentWhat this manual covers
| Model year | 1993 |
|---|---|
| Engines | 6.0L V8 — OHV 6.6L I6 — OHV, turbocharged |
| Trims | B7T042 · B7T042 Bus (School) - Cab Forward |
| Federal record | 2 recalls · 0 complaints · 8 technical service bulletins (refreshed 2026-08-21) |
02 / Known issuesRecalls on federal record for the 1993 B7
- Vehicle Speed Control · 92V187000If the throttle cam lever disengages from the throttledrive shaft, the engine could go to wide open.
- Steering — gear box (other than rack and pinion) · 94V028000Separation of the intermediate steering shaft results in total loss of steering control and could ca.
Owners have filed 0 complaints and GMC has issued 8 technical service bulletins for the 1993 B7. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 1993 B7 manual
Is this manual specific to the 1993 B7?
Yes. It is the OEM manual matched to the 1993 model year, covering the 6.0L V8 and 6.6L I6 across the B7T042, B7T042 Bus (School) - Cab Forward trims. Specifications and procedure sequences are the ones GMC published for this year.
What 1993 B7 problems does it help with?
2 recalls are on federal record for the 1993 B7, covering vehicle speed control, steering. The manual carries the manufacturer's diagnostic and repair procedures for those systems; the recall repairs themselves are done free by GMC dealers.
Does it include 1993 B7 wiring diagrams?
Yes — the complete wiring diagrams for the 1993 build, alongside repair procedures, specifications and diagnostics.
Is it a subscription?
No. $29.99 once and the manual is yours. It is a digital manual — nothing ships; access details arrive by email after checkout and it works on any device.
RelatedOther B7 years and 1993 GMC models
1999 B7 · 1998 B7 · 1997 B7 · 1996 B7 · 1995 B7 · 1994 B7 · all 10 years
1993 GMC C1500 · 1993 GMC C1500 Suburban · 1993 GMC C2500 · 1993 GMC C2500 Suburban · 1993 GMC C3500 · 1993 GMC C3500HD · 1993 GMC C6000 Topkick · 1993 GMC C7000 Topkick · 1993 GMC G1500 · 1993 GMC G2500 · 1993 GMC G3500 · 1993 GMC Jimmy · every 1993 model