Engine:
Detailed diagnostics, repair, and overhaul procedures for all gasoline and diesel engines including 3.7L Magnum V6, 4.7L Magnum V8, 5.7L HEMI V8, and 5.9L Cummins Turbo Diesel.
Transmission:
Service, repair, and overhaul for 4-speed automatic (42RE, 44RE, 45RFE, 48RE) and 5-speed manual (NV3500, G360) transmissions.
Drivetrain:
Front and rear axle service, differential repair, transfer case (NV241DHD, NV271D) operation and repair, driveshaft and U-joint maintenance.
Suspension:
Front and rear suspension components, shock absorbers, springs, control arms, ball joints, steering linkage, alignment specifications.
Brakes:
Front and rear brake systems (disc and drum), ABS, hydraulic components, caliper and wheel cylinder service, rotor and pad replacement.
Steering:
Power steering system, steering gear, pump, hoses, and linkage service.
Electrical:
Complete wiring diagrams, fuse box locations, component testing, starter, alternator, battery service, lighting, instrument cluster, and power accessories.
HVAC:
Air conditioning system diagnosis, refrigerant handling, compressor, condenser, evaporator service, heater core and blower motor replacement.
Fuel:
Fuel tank, fuel pump, fuel injectors, fuel filter replacement, evaporative emission control system.
Exhaust:
Exhaust manifold, catalytic converter, muffler, and pipe replacement.
Body:
Body panel repair, door and window mechanisms, interior trim, exterior moldings, bumper service.
Maintenance:
Scheduled maintenance, oil changes, filter replacements, spark plug service, belt and hose inspection/replacement, fluid checks and top-offs.
Troubleshooting:
Diagnostic charts, symptom-based troubleshooting for common drivability, electrical, and mechanical issues.
Repair:
Step-by-step repair instructions for all major vehicle components, including engine rebuilds, transmission overhauls, and suspension repairs.
Diagnostics:
OBD-II diagnostic trouble codes (DTCs), sensor testing, actuator testing, use of diagnostic scan tools.
Specifications:
Torque specifications for all fasteners, diagnostic specifications, electrical specifications, measurement data.
Wiring Diagrams:
Extensive, detailed, and system-specific wiring schematics for accurate electrical troubleshooting.
Depth:
Expert level, covering basic maintenance to complete engine and transmission rebuilds, including specialized tools and procedures.
Special Tools:
Lists required special tools and equipment for specific repair procedures.
Engine Options:
3.7L Magnum V6, 4.7L Magnum V8, 5.7L HEMI V8 (gasoline); 5.9L Cummins Turbo Diesel I6.
3.7L V6:
Approx. 215 hp @ 5200 rpm, 235 lb-ft torque @ 4000 rpm.
4.7L V8:
Approx. 235 hp @ 4800 rpm, 295 lb-ft torque @ 3200 rpm.
5.7L Hemi V8:
Approx. 345 hp @ 5000 rpm, 375 lb-ft torque @ 4000 rpm.
5.9L Cummins I6:
Approx. 235 hp @ 2300 rpm, 460 lb-ft torque @ 1400 rpm (typical configuration).
Gasoline Injection:
Sequential Electronic Fuel Injection (SEFI)
Diesel Injection:
High-pressure common rail (Cummins)
Oil Change Gasoline:
Every 3,000-7,500 miles or 6 months, depending on driving conditions and oil type (consult manual for specific recommendations).
Oil Change Diesel:
Every 5,000-10,000 miles or 6 months for the 5.9L Cummins (depending on oil quality and usage).
Transmission Fluid:
Every 30,000-100,000 miles, depending on transmission type and operating conditions (consult manual).
Coolant Replacement:
Every 30,000-100,000 miles or 2-5 years (depending on coolant type).
Engine Oil 5W30:
SAE 5W-30 synthetic blend or full synthetic for most gasoline engines (e.g., 4.7L V8, 5.7L HEMI).
Engine Oil 15W40 Diesel:
API CI-4 or CH-4 rated SAE 15W-40 heavy-duty diesel engine oil for the 5.9L Cummins.
Transmission Fluid Auto:
ATF+4 (MS-9602) for 42RE, 44RE, 45RFE, 48RE automatic transmissions.
Transmission Fluid Manual:
MS-9224 for NV3500 manual transmission; MS-9030A for G360.
Coolant Type:
HOAT (Hybrid Organic Acid Technology) Extended Life Antifreeze/Coolant, typically Mopar OAT or equivalent.
Ignition Coils:
Common failure point on HEMI engines, leading to misfires.
Throttle Body Issues:
Electronic throttle control (ETC) can sometimes cause idle problems or stalling.
Heater Core Leaks:
Can be prone to leaks, especially in older models.
Sump Pump Failure Cummins:
Fuel supply pump (lift pump) can fail on Cummins engines.
