1986 Jeep Comanche Service & Repair Manual

All Comanche years1987 →

The service and repair manual for the 1986 Jeep Comanche — 2.1L I4 and 2.5L I4 and 2.8L V6 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 year1986
Engines
2.1L I4 — SOHC
2.5L I4 — OHV
2.8L V6 — OHV
TrimsCustom Standard Cab Pickup · X Standard Cab Pickup · XLS Standard Cab Pickup
Federal record6 recalls · 7 complaints · 0 technical service bulletins (refreshed 2026-08-21)

02 / InsideSample pages from the 1986 Comanche manual

1986 Jeep Comanche service manual page 11986 Jeep Comanche service manual page 21986 Jeep Comanche service manual page 31986 Jeep Comanche service manual page 41986 Jeep Comanche service manual page 51986 Jeep Comanche service manual page 6

03 / ContentsSections in the manual

  • Quick Lookups 55
  • Engine Performance 1,036
  • Accessories & Equipment 120
  • General Information 1,357
  • Body & Frame 23
  • Heating, Ventilation & A/C (HVAC) 100
  • Brakes 79
  • Maintenance 45
  • Drivelines & Axles 103
  • Steering 133
  • Electrical 157
  • Suspension 45
  • Engine Mechanical 178
  • Transmission 224
  • Cherokee & Wagoneer 25

04 / Known issuesRecalls on federal record for the 1986 Comanche

  1. Fuel System, Gasoline — delivery › hoses, lines/piping, and fittings · 85V139000
    Jeeps may have an improperly connected fuel line fitting which could become disconnected and cause gasoline to be spilled.
  2. Equipment — other › labels · 86V031000
    Gross weight ratings and tire pressures information on the certification label are incorrect, these do not comply to federal regulation part 567.
  3. Parking Brake · 86V147000
    Park brake assembly pawl may be improperly hardened. consequence of defect: pawl could yield under load resulting.
  4. Steering — linkages · 86V159000
    Steering linkage couplers remained in acid etching bath too long.
  5. Vehicle Speed Control — cables · 86V146000
    Accelerator cable bushing could disconnect from the accelerator lever assembly.
  6. Service Brakes, Hydraulic — power assist › hydraulic · 88V106000
    This would result in loss of power brake assist and anincrease in stopping distance.

Owners have filed 7 complaints and Jeep has issued 0 technical service bulletins for the 1986 Comanche. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.

FAQQuestions about the 1986 Comanche manual

Is this manual specific to the 1986 Comanche?

Yes. It is the OEM manual matched to the 1986 model year, covering the 2.1L I4 and 2.5L I4 and 2.8L V6 across the Custom Standard Cab Pickup, X Standard Cab Pickup, XLS Standard Cab Pickup trims. Specifications and procedure sequences are the ones Jeep published for this year.

What 1986 Comanche problems does it help with?

6 recalls are on federal record for the 1986 Comanche, covering fuel system, gasoline, equipment, parking brake. 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 1986 Comanche wiring diagrams?

Yes — the complete wiring diagrams for the 1986 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 1986 Jeep models

1992 Comanche · 1991 Comanche · 1990 Comanche · 1989 Comanche · 1988 Comanche · 1987 Comanche · all 7 years

1986 Jeep CJ7 · 1986 Jeep Cherokee · 1986 Jeep Grand Wagoneer · 1986 Jeep J10 · 1986 Jeep J20 · 1986 Jeep Scrambler · 1986 Jeep Wagoneer · every 1986 model