Service and repair manuals for 9 model years of the GMC P4500, 1982 to 1990. Each manual is matched to one exact year — the specifications and procedure sequences are the ones GMC published for that year's engine and trim, not values carried across the whole production run.
Engines across the range: 4.8L I6 — OHV · 7.0L I6 — 426 cu in · 3.4L — turbocharged · 4.3L V6 — OHV.
01 / Model yearsChoose your P4500 year
| Year | Price | Recalls | Engines | Trims | |
|---|---|---|---|---|---|
| 1990 | $29.99 | — | 4.8L I6; 4.3L V6; 3.4L | P4T042 Stripped Chassis - Cab Forward · Base | select |
| 1989 | $29.99 | — | 4.8L I6; 4.3L V6; 3.4L | P4T042 Stripped Chassis - Cab Forward · Base | select |
| 1988 | $29.99 | — | 4.8L I6; 3.4L; 4.3L V6 | P4T042 Straight Truck - Cab Forward · P4T042 Stripped Chassis - Cab Forward · Base | select |
| 1987 | $29.99 | — | 4.8L I6; 3.4L; 4.3L V6 | P4T042 Straight Truck - Cab Forward · P4T042 Stripped Chassis - Cab Forward · Base | select |
| 1986 | $29.99 | — | 4.8L I6 | P4T042 Stripped Chassis - Cab Forward | select |
| 1985 | $29.99 | — | 4.8L I6; 7.0L I6 | P4T042 Stripped Chassis - Cab Forward | select |
| 1984 | $29.99 | — | 4.8L I6 | P4T042 Stripped Chassis - Cab Forward | select |
| 1983 | $29.99 | — | 4.8L I6 | P4T042 Stripped Chassis - Cab Forward | select |
| 1982 | $29.99 | — | 4.8L I6 | P4T042 Stripped Chassis - Cab Forward | select |
02 / Other yearsOther P4500 years
1990 GMC P4500 · $29.99 select →
Engines: 4.8L I6 — OHV; 4.3L V6 — OHV; 3.4L — turbocharged. Trims: P4T042 Stripped Chassis - Cab Forward · Base.
No recalls on federal record for the 1990 P4500.
1989 GMC P4500 · $29.99 select →
Engines: 4.8L I6 — OHV; 4.3L V6 — OHV; 3.4L — turbocharged. Trims: P4T042 Stripped Chassis - Cab Forward · Base.
No recalls on federal record for the 1989 P4500.
1988 GMC P4500 · $29.99 select →
Engines: 4.8L I6 — OHV; 3.4L — turbocharged; 4.3L V6 — OHV. Trims: P4T042 Straight Truck - Cab Forward · P4T042 Stripped Chassis - Cab Forward · Base.
No recalls on federal record for the 1988 P4500.
1987 GMC P4500 · $29.99 select →
Engines: 4.8L I6 — OHV; 3.4L — turbocharged; 4.3L V6 — OHV. Trims: P4T042 Straight Truck - Cab Forward · P4T042 Stripped Chassis - Cab Forward · Base.
No recalls on federal record for the 1987 P4500.
1986 GMC P4500 · $29.99 select →
Engines: 4.8L I6 — OHV. Trims: P4T042 Stripped Chassis - Cab Forward.
No recalls on federal record for the 1986 P4500.
1985 GMC P4500 · $29.99 select →
Engines: 4.8L I6 — OHV; 7.0L I6 — 426 cu in. Trims: P4T042 Stripped Chassis - Cab Forward.
No recalls on federal record for the 1985 P4500.
1984 GMC P4500 · $29.99 select →
Engines: 4.8L I6 — OHV. Trims: P4T042 Stripped Chassis - Cab Forward.
No recalls on federal record for the 1984 P4500.
1983 GMC P4500 · $29.99 select →
Engines: 4.8L I6 — OHV. Trims: P4T042 Stripped Chassis - Cab Forward.
No recalls on federal record for the 1983 P4500.
1982 GMC P4500 · $29.99 select →
Engines: 4.8L I6 — OHV. Trims: P4T042 Stripped Chassis - Cab Forward.
No recalls on federal record for the 1982 P4500.
03 / OwnershipOwn it — don't rent it
| Option | What you pay | After a year |
|---|---|---|
| eManualStore P4500 manual | $29.99 once | Still yours |
| Per-vehicle online subscription | from $29 / year, renewing | Pay again or lose access |
| Library membership services | $33 / month, capped | $396 spent, nothing kept |
| Professional shop databases | $499–$2,388 / year | Renew or lose access |
Competitor figures as published on their sites, August 2026.
FAQQuestions about the P4500 manual
Which P4500 years does this manual cover?
Every year from 1982 to 1990 — 9 separate manuals, one per model year. Pick your year in the selector; the manual you receive is matched to that exact year, engine and trim.
Is this the OEM GMC P4500 manual or an aftermarket guide?
The OEM version. It carries the procedures, specifications, torque values and wiring diagrams GMC published for the P4500, organized by system — not a condensed aftermarket summary.
Does it include P4500 wiring diagrams?
Yes. Full wiring diagrams are part of every P4500 manual, alongside repair procedures, specifications and diagnostic information.
Why do some P4500 years cost more?
Every P4500 year is $29.99.
Is this a subscription?
No. One payment, and the manual is yours to keep — unlike per-vehicle subscriptions that renew every year.
How do I get the manual after purchase?
It is a digital manual — nothing ships. Access details arrive by email right after checkout, and you can use it on any device.
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By year: 1990 · 1989 · 1988 · 1987 · 1986 · 1985 · 1984 · 1983 · 1982