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1991 Jeep Cherokee CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Jeep REPAIR SHOPS DON'T WANT YOU TO KNOW
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- A/C & Heater Service
- Brake Service
- Fuel Filter Replacement
- Driveline, U-Joint & CV Axles Replacement
- Starter & Alternator Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service
Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1991 Jeep Cherokee car and truck
repair procedures including Jeep engine diagrams, wiring diagrams, repair work estimating measures, technical service bulletins, auto body work
guidance, starter & alternator replacement procedures, serpentine belt replacement procedures, radiator & hose replacement procedures, tune-up &
drivability specifications, quick lube illustrations, preventive maintenance guide, engine light reset instructions, parts removal and install
procedures, fuel filter replacement directions, component location diagrams, air filter locations & replacement instructions, a/c
system specifications, and general auto service procedures. You don't have to be a car mechanic or technician to know how to fix
your Jeep Cherokee automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR 1991 Jeep Cherokee AUTOMOBILES
A/C & Cooling System Maintenance -> DaimlerChrysler Corp. -> Jeep
Vehicle: 1991 Jeep Cherokee Limited 4.0 L6 GAS
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BRAKE SERVICE PROCEDURES FOR 1991 Jeep Cherokee AUTOMOBILES
HYDRAULIC BRAKE SYSTEMS, CHRYSLER CORP. -> MASTER CYLINDER -> DIAGONALLY SPLIT SYSTEMS -> FRONT & REAR SPLIT SYSTEMS
Vehicle: 1991 Jeep Cherokee Limited 4.0 L6 GAS
FRONT & REAR SPLIT SYSTEMS
When the brake pedal is depressed, both the primary (front brake) and the secondary (rear brake) master cylinder pistons are moved simultaneously to exert hydraulic fluid pressure on their respective independent hydraulic systems. The fluid displacement of the two master cylinders is proportioned to fulfill the requirements of each of the two independent hydraulic brake systems.
If a failure of a rear (secondary) brake system should occur, initial brake pedal movement causes the unrestricted secondary piston to bottom in the master cylinder bore. Primary...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 1991 Jeep Cherokee AUTOMOBILES
DaimlerChrysler Corp./Jeep Light Trucks, SUVs & Vans -> Fuel Pressure Relief -> 1993-06 Grand Cherokee & 1993 Grand Wagoneer, 1988-01 Cherokee, Comanche, Grand Cherokee, Wagoneer, Wrangler -> Models Less Fuel Pressure Test Port -> Models w/Fuel Pressure Test Port
Vehicle: 1991 Jeep Cherokee Limited 4.0 L6 GAS
Do not smoke or allow an open flame of any type when working on or near any fuel system related components. The highly flammable vapor mixtures may ignite, resulting in serious personal injury.
Prior to disconnecting fuel lines, the fuel system pressure must be relieved to prevent accidental spray of fuel.
After the battery has been disconnected and reconnected, some abnormal driveability symptoms may occur. The vehicle may need to be driven while the vehicle relearns its adaptive strategy...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1991 Jeep Cherokee AUTOMOBILES
DRIVESHAFT U-JOINT, Replace -> Assemble -> Disassemble -> Double Cardan Joint -> Single Cardan Joint
Vehicle: 1991 Jeep Cherokee Limited 4.0 L6 GAS
Single Cardan Joint
Disassemble
Individual components of cardan universal joints are not serviceable. If worn or leaking, they must be replaced as an assembly.
- Remove propeller shaft.
- Using a soft drift, tap outside of bearing cap assembly to loosen snap ring.
- Remove snap rings from both sides of yoke.
- Set yoke in an arbor press or vise with a socket whose inside diameter is large enough to receive bearing cap positioned beneath yoke.
- Position yoke with grease fitting, if equipped, pointing up.
- Place a socket with an outside diameter smaller than upper bearing cap on upper b...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1991 Jeep Cherokee AUTOMOBILES
Starter, Replace
Vehicle: 1991 Jeep Cherokee 4.0 L6 GAS
- Disconnect battery ground cable.
- Remove starter to flywheel housing and rear bracket to engine or transaxle attaching bolts.
- Remove heat shield clamp and heat shield, if required.
- Disconnect starter cable a...
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MAINTENANCE LAMP RESET PROCEDURES FOR 1991 Jeep Cherokee AUTOMOBILES
Chrysler LLC Trucks -> Emission Maintenance Reminder Indicator -> 1991-92 Comanche, Cherokee & Wrangler
Vehicle: 1991 Jeep Cherokee 2.5 L4 GAS
The emission maintenance timer will light an indicator lamp on the instrument cluster when vehicle mileage has reached 82,500 miles. At this time, the oxygen sensor and other scheduled emission maintenance is required.
If the timer should fail before vehicle has accumulated...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1991 Jeep Cherokee AUTOMOBILES
Radiator, Replace
Vehicle: 1991 Jeep Cherokee Sport 4.0 L6 GAS
- Drain cooling system into a suitable container.
- Remove surge tank hose/pipe.
- Remove radiator inlet hose.
- Remove radiator outlet hose.
- Remove alignment dowel E-clip from radiator lower mounting bracket.
- Disconnect coolant reserve bottle hose from radiator.
- Remove cooling fan shroud.
- On models with automatic transmissions, disconnect transmission oil cooler lines from radiat...
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SERPENTINE BELT SERVICE PROCEDURES FOR 1991 Jeep Cherokee AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 1991 Jeep Cherokee Sport 4.0 L6 GAS
Belt tension is adjusted at the power steering pump or idler pulley if not equipped with power steering.
- Loosen power steering or idler pulley rear mounting bolts.
- Loosen power steering pump ...
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COMPONENT LOCATION DIAGRAMS FOR 1991 Jeep Cherokee AUTOMOBILES
Component location diagrams for most 1991 Jeep Cherokee cars and light trucks sold in the U.S. from 1990+.
 Transmission Splices Diagram for 1991 Jeep Cherokee Sport 4.0 L6 GASComponents on diagram: |
 Overhead Console Components Diagram for 1991 Jeep Cherokee 2.5 L4 GASComponents on diagram: |
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WIRING DIAGRAMS FOR 1991 Jeep Cherokee AUTOMOBILES
OEM drawn wiring diagrams for most 1991 Jeep Cherokee cars and light trucks sold in the U.S.
 1991 Jeep Cherokee 4.0 L6 GAS Wiring DiagramComponents on diagram: |
 1991 Jeep Cherokee Sport 4.0 L6 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 1991 Jeep Cherokee AUTOMOBILES
OEM TSB listings for most 1991 Jeep Cherokee cars and light trucks sold in the U.S. from 1985+.
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Document: CHILD SEAT TETHER ANCHOR INSTALLATION - REV Vehicle: 1991 Jeep Cherokee 2.5 L4 GAS Auto Systems: |
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Document: AUTOMATIC TRANSMISSION FLUID USAGE - ATF+4 (TYPE 9602) - REVISED Vehicle: 1991 Jeep Cherokee 2.5 L4 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 1991 Jeep Cherokee AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1991 Jeep Cherokee cars and light trucks sold in the U.S. and Canada from 1970+.
- Brake caliper mounting bolt torque
- Brake drum runout, machining, & discard specs
- Minimum brake lining thickness.
- Brake rotor runout, parallelism, machining, discard, & finish specs
A/C SYSTEM SPECIFICATIONS: Air conditioning refrigerant capacity and type as well as lubricant capacity for most 1991 Jeep Cherokee cars and light trucks sold in the U.S. and Canada from 1980+.
- Refrigerant capacity & type, compressor oil viscosity, total system oil capacity & compressor clutch gap
COOLING SYSTEM BLEED: Cooling system bleeder valve identification, bleeder type and bleed procedures for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1986+.
PREVENTIVE MAINTENANCE: Preventive maintenance recommendations and required services for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1980+. Includes severe and routine service schedules
QUICK-LUBE and ILLUSTRATIONS: Fluid recommendations, capacities, drain plug torques, tire data, and severe service recommended preventive maintenance schedules. Information covers most 1991 Jeep Cherokee cars and light trucks sold in the U.S. and Canada from 1980+. Engine and chassis service images.
- Automatic transmission/transaxles capacities, lubricant recommendations
- Differential/final drive capacities, lube recommendations, grades, & viscosities
- Final drive fill & drain plug torques
- Number of lubrication fittings & plugs
- Power steering, brake, & clutch fluid recommendations
- Manual transmission/transaxle capacities, lube recommendations, grades, & viscosities
- Number of lubrication fittings & plugs
- Power steering, brake, & clutch fluid recommendations
- Engine oil capacities, API grade recommendations, SAE viscosity recommendations, drain plug torque
- Severe service maintenance & interval recommendations
- Tire sizes, wheel nut/bolt torque, pressures & rim sizes
- Transfer case capacities, lube recommendations, grades, & viscosities
TUNE-UP & DRIVEABILITY SPECIFICATIONS: Most tune-up specifications for most 1991 Jeep Cherokee cars and light trucks sold in the U.S. and Canada from 1980+
- Airflow sensor electrical specifications
- Tensioning specifications for systems with automatic tensioners
- Barometric pressure sensor specs
- Battery group number and cranking performance
- Crankshaft & camshaft position sensor resistance
- Engine compression pressures
- Coolant temperature sensor specs
- Computer advance.
- Diesel fuel temperature sensor resistance.
- Distributor advance specifications
- Ignition pickup coil resistance
- Exhaust gas recirculation temperature sensor resistance
- Engine fastener torque values
- Firing order diagrams
- Fuel system pressures
- Generator (alternator) specs
- Intake air temperature sensor specs
- Ignition coil specifications
- Fuel injector resistance
- Engine idle speeds
- Knock sensor resistance
- Manifold absolute pressure sensor specs
- Mixture control solenoid resistance
- Voltage regulator specs
- Spark plug applications & gaps
- Starter motor electrical specs.
- Tensioning specifications for systems without automatic tensioners
- Throttle body temperature sensor resistance
- Ignition timing in degrees at rpm
- Transmission oil temperature sensor resistance
- Throttle position sensor specs
- Vacuum sensor valve specs
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