The service and repair manual for the 1988 GMC P3500 — 7.4L V8 and 6.2L V8 and 4.8L I6 and 5.7L V8 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 | 1988 |
|---|---|
| Engines | 7.4L V8 — OHV 6.2L V8 — OHV 4.8L I6 — OHV 5.7L V8 — OHV |
| Trims | Value Van Delivery Van 2-Door · Base Stripped Chassis |
| Federal record | 1 recall · 0 complaints · 0 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 1988 P3500 manual
03 / ContentsSections in the manual
- Quick Lookups 69
- Engine Performance 983
- Accessories & Equipment 64
- General Information 1,523
- Heating, Ventilation & A/C (HVAC) 85
- Brakes 116
- Steering 122
- Drivelines & Axles 99
- Suspension 52
- Electrical 119
- Transmission 176
- Engine Mechanical 393
- Operating Voltage 12
- Current Draw (Stall, Cold) 12
- Speed 31
04 / Known issuesRecalls on federal record for the 1988 P3500
- Equipment · 07E088000This condition may cause inadequate sealing and loss of engine oil, possibly resulting in a fire.
Owners have filed 0 complaints and GMC has issued 0 technical service bulletins for the 1988 P3500. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 1988 P3500 manual
Is this manual specific to the 1988 P3500?
Yes. It is the OEM manual matched to the 1988 model year, covering the 7.4L V8 and 6.2L V8 and 4.8L I6 and 5.7L V8 across the Value Van Delivery Van 2-Door, Base Stripped Chassis trims. Specifications and procedure sequences are the ones GMC published for this year.
What 1988 P3500 problems does it help with?
1 recall is on federal record for the 1988 P3500, covering equipment. 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 1988 P3500 wiring diagrams?
Yes — the complete wiring diagrams for the 1988 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 P3500 years and 1988 GMC models
1994 P3500 · 1993 P3500 · 1992 P3500 · 1991 P3500 · 1990 P3500 · 1989 P3500 · 1987 P3500 · 1986 P3500 · 1985 P3500 · 1984 P3500 · 1983 P3500 · 1982 P3500 · all 18 years
1988 GMC Astro · 1988 GMC B6000 · 1988 GMC Brigadier · 1988 GMC C1500 · 1988 GMC C1500 Suburban · 1988 GMC C2500 · 1988 GMC C2500 Suburban · 1988 GMC C3500 · 1988 GMC C5000 · 1988 GMC C6000 · 1988 GMC C7000 · 1988 GMC G1500 · every 1988 model