The service and repair manual for the 1988 Dodge Diplomat — the 5.2L V8 engine, 2 trims. Matched to this exact model year, so the specifications and sequences are the ones Dodge published for your car, not figures carried over from a neighbouring year.
01 / FitmentWhat this manual covers
| Model year | 1988 |
|---|---|
| Engines | 5.2L V8 — 318 cu in, OHV |
| Trims | SE Sedan 4-Door · Salon Sedan 4-Door |
| Federal record | 1 recall · 1 complaints · 4 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 1988 Diplomat manual





03 / ContentsSections in the manual
- Quick Lookups 66
- General Information 1,392
- Accessories & Equipment 173
- Heating, Ventilation & A/C (HVAC) 104
- Body & Frame 72
- Maintenance 72
- Brakes 89
- Restraints 50
- Drivelines & Axles 32
- Steering 106
- Electrical 162
- Suspension 45
- Engine Mechanical 144
- Transmission 12
- Engine Performance 465
- Steering Wheel Retaining Nut 45
04 / Known issuesRecalls on federal record for the 1988 Diplomat
- Electrical System — wiring › front underhood · 87V164000Trapped wires may eventually cause a high resistanceelectrical short that can result in an underhood.
Owners have filed 1 complaints and Dodge has issued 4 technical service bulletins for the 1988 Diplomat. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 1988 Diplomat manual
Is this manual specific to the 1988 Diplomat?
Yes. It is the OEM manual matched to the 1988 model year, covering the 5.2L V8 across the SE Sedan 4-Door, Salon Sedan 4-Door trims. Specifications and procedure sequences are the ones Dodge published for this year.
What 1988 Diplomat problems does it help with?
1 recall is on federal record for the 1988 Diplomat, covering electrical system. The manual carries the manufacturer's diagnostic and repair procedures for those systems; the recall repairs themselves are done free by Dodge dealers.
Does it include 1988 Diplomat 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 Diplomat years and 1988 Dodge models
1989 Diplomat · 1987 Diplomat · 1986 Diplomat · 1985 Diplomat · 1984 Diplomat · 1983 Diplomat · 1982 Diplomat · all 8 years
1988 Dodge 600 · 1988 Dodge Aries · 1988 Dodge B150 · 1988 Dodge B250 · 1988 Dodge B350 · 1988 Dodge Caravan · 1988 Dodge Challenger · 1988 Dodge Charger · 1988 Dodge Colt · 1988 Dodge D100 · 1988 Dodge D150 · 1988 Dodge D250 · every 1988 model