Engine Systems:
Engine mechanical (assembly, disassembly, overhaul), lubrication system, cooling system, fuel system (MPI, components), ignition system, emissions control systems, engine diagnostics, troubleshooting.
Transmission Systems:
Manual transmission (NV3500, NV4500), Automatic transmission (42RE, 44RE, 46RE, 47RE) service, overhaul, diagnostic procedures, fluid specifications, troubleshooting.
Drivetrain Systems:
Front axle, rear axle (Dana 44, Dana 60, Chrysler 9.25), driveshafts, universal joints, transfer case (NV235, NV241, NV243, NV244), differential service, clutch system (manual transmission).
Suspension Steering:
Front suspension (independent front suspension for 4x2, solid front axle for 4x4), rear suspension (leaf springs), steering system (power steering pump, steering gear), wheel alignment specifications, troubleshooting.
Brake Systems:
Front disc brakes, rear drum brakes (optional rear disc brakes on some trims), ABS system (if equipped), hydraulic system, component replacement, bleeding procedures, troubleshooting.
Electrical Systems:
Battery, starting system, charging system, lighting system, instrumentation, power windows, power door locks, power seats, horns, wiper systems, trailer towing wiring, fuses, relays, diagnostic connectors, wiring diagrams.
Body Interior:
Body construction, exterior trim, interior trim, door mechanisms, seats, HVAC system, body panel repair, glass replacement, sound deadening, underbody coatings.
Comfort Convenience:
Climate control system (A/C, heater), power accessories, interior lighting, seat adjustments, sound systems.
Diagnostics Troubleshooting:
On-board diagnostics (OBD-II), diagnostic trouble codes (DTCs), diagnostic flowcharts, symptom-based troubleshooting guides.
Maintenance Procedures:
Scheduled maintenance, oil changes, filter replacements, fluid level checks and top-offs, belt and hose inspection/replacement, spark plug replacement, brake pad/shoe replacement.
Repair Procedures:
Engine overhaul, transmission rebuild, brake caliper/rotor replacement, suspension component replacement, steering rack repair, electrical component diagnosis and replacement, exhaust system repair, body panel repair and replacement.
Diagnostic Procedures:
Systematic troubleshooting of mechanical, electrical, and emissions-related issues using diagnostic tools and procedures outlined in the manual.
Installation Replacement:
Step-by-step instructions for replacing common wear items and components, including alternators, starters, water pumps, fuel injectors, sensors, and interior/exterior trim pieces.
Depth Of Information:
Comprehensive, from basic maintenance to in-depth mechanical and electrical diagnostics and repair, including component specifications and tolerances.
Diagnostic Tools Required:
Details common diagnostic tools, scan tools (OBD-II), specialized wrenches, torque wrenches, multimeter, pressure gauges, and specific service tools for component removal/installation.
Technical Specifications Provided:
Torque specifications for fasteners, engine and transmission fluid capacities, diagnostic trouble code definitions, component clearances and tolerances, electrical resistance values, wiring diagrams.
Engine Options:
5.2L Magnum V8 (318 cu in), 5.9L Magnum V8 (360 cu in), 5.9L Cummins Turbo Diesel I6 (24-valve).
5.2L V8 Horsepower:
Approx. 230 hp @ 4,000 rpm
5.2L V8 Torque:
Approx. 300 lb-ft @ 3,200 rpm
5.9L V8 Horsepower:
Approx. 245-250 hp @ 4,000 rpm
5.9L V8 Torque:
Approx. 330-335 lb-ft @ 3,200 rpm
5.9L Cummins Horsepower:
Approx. 215 hp @ 2,800 rpm (for 24-valve models)
5.9L Cummins Torque:
Approx. 420 lb-ft @ 1,600 rpm (for 24-valve models)
Fuel Injection Type:
Multi-Point Fuel Injection (MPI) for V8 gasoline engines; Direct Injection (DI) with Bosch VP44 injection pump for Cummins diesel.
Fuel Type:
Unleaded gasoline (87 octane minimum recommended for V8s), Diesel fuel (low sulfur recommended for Cummins).
5.2L V8 Engine Code:
318 (engine family code)
5.9L V8 Engine Code:
360 (engine family code)
5.9L Cummins Engine Code:
ISB (Integrated Services Backbone for Cummins)
Standard Transmission Type:
5-speed manual (NV3500 for light-duty, NV4500 for heavy-duty applications)
Optional Transmission Type:
4-speed automatic (42RE, 44RE, 46RE, 47RE depending on engine and drivetrain)
Automatic Transmission Features:
Electronically controlled, overdrive, torque converter lock-up.
Manual Transmission Fluid:
ATF+4 (or equivalent GL-4 gear oil, manual specifies specific type)
Automatic Transmission Fluid:
ATF+4 (Automatic Transmission Fluid, Type 9602)
Oil Change Interval Gasoline:
Every 3,000 - 5,000 miles or 3-6 months, depending on driving conditions (refer to manual for exact recommendations).
Oil Change Interval Diesel:
Every 7,500 miles or 6 months for the Cummins diesel engine, or as specified by Cummins (refer to manual).
Transmission Fluid Change:
Every 30,000 - 60,000 miles, depending on usage and transmission type (refer to manual).
Coolant Change:
Every 30,000 - 100,000 miles depending on coolant type and manufacturer recommendation (e.g., HOAT coolant).
Engine Oil Specification Gasoline:
API SG or higher, SAE 5W-30 or 10W-30 (check manual for ambient temperature variations).
Engine Oil Specification Diesel:
API CG-4 or CH-4, SAE 15W-40 (for Cummins 5.9L 24-valve).
Coolant Type:
Ethylene glycol based antifreeze (Mopar OAT or HOAT recommended).
Brake Fluid Type:
DOT 3 brake fluid.
Common Gasoline Engine Issues:
Cracked cylinder heads (especially on early 5.9L Magnum), ignition coil failures, distributorless ignition system (DIS) component issues, EGR valve problems (on some emission-controlled variants).
Common Diesel Engine Issues:
VP44 injection pump failure (due to low fuel pressure, heat), injector line failures, oil cooler line issues, front timing gear cover seal leaks.
Common Transmission Issues:
Automatic transmission clutch pack wear (especially 47RE), torque converter issues, manual transmission synchro wear or bearing failures.
Common Chassis Suspension Issues:
Ball joint wear (especially on 4x4 models), U-joint wear, steering box looseness, exhaust manifold cracks (on Magnum V8s).
Common Electrical Issues:
Instrument cluster failures, headlight switch issues, wiring harness chafing, body control module (BCM) issues.