1987-1995 ALL YEARS

JEEP YJ
MASTER TOOLBOX

// EVERY TOOL. NOTHING MORE. NOTHING LESS.
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TORQUE SPECS (4.0L YJ)
CHASSIS / SUSPENSION:
FastenerSpec
Lug nuts80–110 ft-lb
Oil drain plug25 ft-lb
Spark plugs (4.0L)22–28 ft-lb
Track bar bolts55–75 ft-lb
Ball joint nut75 ft-lb min + cotter pin
Tie rod end35 ft-lb min + cotter pin
Pitman arm nut185 ft-lb
Drag link55 ft-lb min + cotter pin
Pinion nut (D30)160–200 ft-lb
Pinion nut (D35)170–260 ft-lb
Ring gear bolts (D30)55 ft-lb
Ring gear bolts (D35)45–50 ft-lb
Leaf spring U-bolt nuts45–52 ft-lb
Bellhousing bolts25–30 ft-lb
Transfer case-to-trans23–30 ft-lb
ENGINE INTERNAL:
FastenerSpec
Valve cover (w/ RTV)28 in-lb
Valve cover (w/ gasket)55 in-lb
Intake manifold23 ft-lb
Exhaust manifold23–30 ft-lb
Head bolts (4.0L)110 ft-lb (steps: 22/45/45/110)
Flywheel bolts105 ft-lb
Connecting rod bolts33 ft-lb + 90°
Main bearing cap bolts80 ft-lb
Rocker arm bolts19 ft-lb
Oil pan bolts (1/4-20)84 in-lb
Oil pan bolts (5/16-18)132 in-lb
Camshaft sprocket bolt50 ft-lb

* Head bolts use a multi-step sequence (22 > 45 > 45 > 110 ft-lb). NOT torque-to-yield — bolts are reusable.
* Dana 30 spindle nut: torque inner nut to 50 ft-lb while rotating hub, back off, retorque to 50 ft-lb, back off 135-150°, install lock washer and outer nut.
Verify all specs against your FSM.

FLUID SPECS & CAPACITIES
SystemFluidCapacity
Engine oil10W-30 (10W-40 high mile)6 qt
Coolant50/50 green IAT10 qt
Trans (AX-15 manual)75W-90 GL-43.3 qt
Trans (32RH auto)ATF+4~8 qt w/ converter
Transfer case (NP231)ATF+42.5 qt
Trans (BA10/5 manual)80W-90 GL-53.3 pt
Trans (AX-5 manual)75W-85 GL-4~3 qt
Transfer case (NP207)ATF2 qt
Front diff (Dana 30)80W-90 GL-52.5 pt
Rear diff (Dana 35)80W-90 GL-53.5 pt
Rear diff (Dana 44)80W-90 GL-54.0 pt
Brake fluidDOT 31 qt
Power steeringATF+41 qt
Clutch hydraulicDOT 3shared w/ brake
FUSE BOX LAYOUTS
1992–1995 (CHRYSLER MPI ERA): UNDER-DASH FUSE POSITIONS (1992–1995) 1 20A 2 -- 3 15A 4 15A 5 10A 6 25A 7 20A 8 20A 9 15A 10 5A 11 CB 12 25A RED = ASD/Fuel/PCM (Fuse 5) UNDER-DASH PANEL (driver side, behind kick panel):
FuseAmpCircuit
120ARear Window Wiper
2--Not Used
315AStop Lamps, Hazard Flasher, Underhood Lamp, Cruise Control
415ATurn Signal Flasher, Backup Lamps
510AASD Relay, Fuel Pump Relay, PCM
625ARear Window Defogger Relay
720ACigar Lighter, Radio, Cruise Control, Illumination Lamps
820AHeadlamps, Marker Lamps
915ABuzzer Module, Defogger Switch, Gauges, Tachometer
105AInstrument Panel Illumination
11CBWiper Switch and Motor (circuit breaker)
1225ABlower Motor, A/C Compressor Clutch
ENGINE FUSE/RELAY POSITIONS (1992–1995) F1 30A F2 50A F3 50A F4 40A F5 20A F6 50A F7 30A F8 20A RELAYS: A Horn B Fuel C ABS D A/C E ASD F Start ENGINE COMPARTMENT FUSE/RELAY CENTER (near battery):
PosAmpCircuit
F130AFuel Pump / ASD
F250ACharging (Alt 1)
F350ABattery / Acc
F440AIgnition / Starter
F520AHazard Flasher
F650ACharging (Alt 2)
F730AHeadlamp System
F820AI.O.D. / Horn
F940AABS Pump (if equipped)
F1030AABS Power (if equipped)
F1510AHorn
F1610AI.O.D. (Ignition-Off Draw)
RELAYS (Engine Compartment):
PosRelay
AHorn
BFuel Pump
CABS Pump (if equipped)
DA/C Compressor Clutch
EAuto Shutdown (ASD)
FStarter

Source: fuse-box.info YJ 1992–1995 verified data


1987–1991 (RENIX ERA): UNDER-DASH PANEL (1987–1991):
FuseAmpCircuit
115ATurn Signals, Back-Up Lights
220ACourtesy Light, Cargo Light, Radio
315AHazard Warning, Stoplights, Underhood Light
425ARear Window Defogger
525ABlower Motors
615AGauge Package, Seat Belt Indicators, Tachometer
7CBWindshield Wipers/Washer (circuit breaker)
820AParking Lights, Turn Signals
95AInstrument Panel Illumination
1030ACigarette Lighter, Cruise Control, Radio
1120ARear Window Wiper/Washer
1220AHorn
ENGINE COMPARTMENT (1987–1991):
PosAmpCircuit
F130AFuel System ECU (Renix)
F250AAlternator Power 1
F350AFuse Block Feed
F440AIgnition System
F520AFog Lamps
F650AAlternator Power 2
F730AHeadlamp System
F820AIgnition Off Draw

Key difference: Fuse 5 is 25A Blower Motors (87–91) vs 10A ASD/Fuel Pump/PCM (92–95). Fuse 1 is Turn Signals (87–91) vs Rear Wiper (92–95).

BELT ROUTING (4.0L)
CRANK ALT P/S WATER PUMP A/C IDLER TENS IDLER2 w/ A/C — Gates K060820 (82.0") No A/C — Gates K060665

Tensioner: 15mm wrench, rotate clockwise to release. Verify routing against the fan shroud diagram on your YJ.

DRIVETRAIN OVERVIEW
Dana 30 Front W W Front DS T-Case NP231 / NP207 Transmission AX-15 / AX-5 / BA10 / 32RH Engine 4.0L / 2.5L Rear DS Dana 35 Rear W W

Dana 44 rear available on some models. NP207 (part-time only) used 1987–1990; NP231 (87–95) with command-trac or selec-trac.

ENGINE BAY MAP (4.0L)
RADIATOR Coolant Cap ENGINE BLOCK 4.0L Inline-6 P/S Pump ALT A/C Comp Dipstick Oil Fill Oil Filter Throttle Body O2 Sensor Distributor = Fluid fill / service point = Sensor / electrical ↑ FRONT OF VEHICLE DRIVER SIDE PASSENGER SIDE

Renix 87–90: CPS on bellhousing flange. HO 91–95: CPS in distributor.