The service and repair manual for the 1989 Jeep Comanche — 2.5L I4 and 4.0L I6 engines, 3 trims. Matched to this exact model year, so the specifications and sequences are the ones Jeep published for your car, not figures carried over from a neighbouring year.
01 / FitmentWhat this manual covers
| Model year | 1989 |
|---|---|
| Engines | 2.5L I4 — OHV 4.0L I6 — OHV |
| Trims | Base Standard Cab Pickup · Eliminator Standard Cab Pickup · Pioneer Standard Cab Pickup |
| Federal record | 1 recall · 12 complaints · 11 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 1989 Comanche manual
03 / ContentsSections in the manual
- Quick Lookups 63
- Engine Performance 1,114
- Accessories & Equipment 135
- General Information 1,374
- Body & Frame 32
- Heating, Ventilation & A/C (HVAC) 142
- Brakes 64
- Maintenance 57
- Drivelines & Axles 81
- Steering 149
- Electrical 153
- Suspension 34
- Engine Mechanical 148
- Transmission 224
- Except Grand Wagoneer 23
- Grand Wagoneer 13
- Brake Line-to-Wheel Cylinder 13
- Wheel Cylinder Bolts (Grand Wagoneer) 18
- Wheel Lug Nuts 75
- Cylinder Bolts (Exc. Grand Wagoneer) 90
04 / Known issuesRecalls on federal record for the 1989 Comanche
- Vehicle Speed Control — cruise control · 90V177000High engine idle when car is first placed in gear couldresult in unexpected acceleration.
Owners have filed 12 complaints and Jeep has issued 11 technical service bulletins for the 1989 Comanche. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 1989 Comanche manual
Is this manual specific to the 1989 Comanche?
Yes. It is the OEM manual matched to the 1989 model year, covering the 2.5L I4 and 4.0L I6 across the Base Standard Cab Pickup, Eliminator Standard Cab Pickup, Pioneer Standard Cab Pickup trims. Specifications and procedure sequences are the ones Jeep published for this year.
What 1989 Comanche problems does it help with?
1 recall is on federal record for the 1989 Comanche, covering vehicle speed control. The manual carries the manufacturer's diagnostic and repair procedures for those systems; the recall repairs themselves are done free by Jeep dealers.
Does it include 1989 Comanche wiring diagrams?
Yes — the complete wiring diagrams for the 1989 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 Comanche years and 1989 Jeep models
1992 Comanche · 1991 Comanche · 1990 Comanche · 1988 Comanche · 1987 Comanche · 1986 Comanche · all 7 years
1989 Jeep Cherokee · 1989 Jeep Grand Wagoneer · 1989 Jeep Wagoneer · 1989 Jeep Wrangler · every 1989 model