The service and repair manual for the 1998 Mercury Grand Marquis — the 4.6L V8 engine, 2 trims. Matched to this exact model year, so the specifications and sequences are the ones Mercury published for your car, not figures carried over from a neighbouring year.
01 / FitmentWhat this manual covers
| Model year | 1998 |
|---|---|
| Engines | 4.6L V8 — SOHC |
| Trims | GS Sedan 4-Door · LS Sedan 4-Door |
| Federal record | 1 recall · 168 complaints · 164 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 1998 Grand Marquis manual






03 / ContentsSections in the manual
- Quick Lookups 101
- General Information 1,554
- Accessories & Equipment 381
- Heating, Ventilation & A/C (HVAC) 168
- Body & Frame 156
- Maintenance 119
- Brakes 126
- Restraints 119
- Drivelines & Axles 58
- Steering 83
- Electrical 215
- Suspension 146
- Engine Mechanical 178
- Transmission 322
- Engine Performance 738
04 / Known issuesRecalls on federal record for the 1998 Grand Marquis
- Steering · 15E082000If the shafts separate during vehicle operation, a loss of steering control would result, increasing.
Owners have filed 168 complaints and Mercury has issued 164 technical service bulletins for the 1998 Grand Marquis. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 1998 Grand Marquis manual
Is this manual specific to the 1998 Grand Marquis?
Yes. It is the OEM manual matched to the 1998 model year, covering the 4.6L V8 across the GS Sedan 4-Door, LS Sedan 4-Door trims. Specifications and procedure sequences are the ones Mercury published for this year.
What 1998 Grand Marquis problems does it help with?
1 recall is on federal record for the 1998 Grand Marquis, covering steering. The manual carries the manufacturer's diagnostic and repair procedures for those systems; the recall repairs themselves are done free by Mercury dealers.
Does it include 1998 Grand Marquis wiring diagrams?
Yes — the complete wiring diagrams for the 1998 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 Grand Marquis years and 1998 Mercury models
2004 Grand Marquis · 2003 Grand Marquis · 2002 Grand Marquis · 2001 Grand Marquis · 2000 Grand Marquis · 1999 Grand Marquis · 1997 Grand Marquis · 1996 Grand Marquis · 1995 Grand Marquis · 1994 Grand Marquis · 1993 Grand Marquis · 1992 Grand Marquis · all 30 years
1998 Mercury Cougar · 1998 Mercury Mountaineer · 1998 Mercury Mystique · 1998 Mercury Sable · 1998 Mercury Tracer · 1998 Mercury Villager · every 1998 model