DR (1500), DH (2500 2WD), D1 (2500 4WD), DC (3500 2WD), DD (3500 4WD)
👋 Introduction
Market Position
Vehicle Segment:
Full-size pickup truck, known for its capability, towing, and hauling prowess.
Competitors 2006:
Ford F-Series (F-150, F-250, F-350), Chevrolet Silverado/GMC Sierra, Toyota Tundra, Nissan Titan.
Key Features
Vehicle Strengths:
Robust chassis, powerful engine options, strong towing capacity, available HEMI V8, versatile configurations (cab styles, bed lengths, drivetrain).
Manual Value Proposition:
Empowers owners and technicians with the detailed knowledge to perform professional-level maintenance and repairs, saving time and money compared to dealership service.
📋 Manual Details
Coverage Areas
Manual Type:
Service and Repair Manual
Language:
English
Format:
Digital (Likely PDF, though print is common for this era)
Page Count:
Estimated 2000-3000+ pages (typical for comprehensive OEM-level service manuals)
Manual Scope:
Comprehensive Repair, Maintenance, Diagnostics, and Troubleshooting
📖 Manual Coverage
Systems Covered
Powertrain:
Engine mechanical, fuel system, ignition system, exhaust system, cooling system, lubrication system, engine control systems (ECM/PCM).
Transmission Drivetrain:
Automatic transmission (42RLE, 48RE, 545RFE), manual transmission (NV3500, NV5600), transfer case operation and repair, driveline components (propeller shafts, U-joints, axle shafts, differentials).
Chassis Suspension:
Front suspension (independent torsion bar for 4x4, coil springs for 4x2), rear suspension (leaf springs), steering system (power steering pump, gearbox/rack and pinion, steering column), wheel bearings, hub assemblies.
Brakes:
Front and rear brake systems (disc brakes standard), parking brake system, ABS (Anti-lock Braking System) and traction control system diagnosis and repair, brake fluid specifications and bleeding procedures.
Electrical Electronics:
Battery, charging system (alternator, starter), lighting systems (headlights, taillights, interior), power windows, power locks, mirrors, seats, horn, wiper/washer system, instrument cluster, warning indicators, fuse and relay identification and testing, basic wiring diagrams.
Body Interior:
Body panel removal and installation, doors, windows, locks, latches, interior trim panels, seats, dashboard assembly, climate control system (HVAC), body hardware, bumpers, grille, mirrors.
Optional factory navigation system available on higher trim levels.
Driver Assistance
Cruise Control:
Standard cruise control on most models.
Parking Assist:
Optional rear park assist sensors on some models.
Connectivity
Trailer Brake Controller:
Optional integrated trailer brake controller for easier trailer management.
🔧 Maintenance
Service Intervals
Oil Change Interval Gasoline:
Every 3,000-7,500 miles (7,500 miles recommended for synthetic oil and normal driving conditions).
Oil Change Interval Diesel:
Every 7,500 miles or 6 months (whichever comes first) for conventional oil, potentially longer for synthetic oil as specified by the manual.
Coolant Flush:
Every 30,000-60,000 miles or 2-5 years (depending on coolant type).
Transmission Fluid Change:
Every 30,000-60,000 miles for heavy-duty use, 60,000-100,000 miles for normal use.
Fluid Specifications
Engine Oil Gasoline Viscosity:
SAE 5W-20 (for 4.7L V8 and 5.7L HEMI), SAE 5W-30 (for 3.7L V6 and older 4.7L specs).
Engine Oil Diesel Viscosity:
API CI-4 or CJ-4 rated 15W-40 diesel engine oil.
Coolant Type:
HOAT (Hybrid Organic Acid Technology) coolant, typically Mopar OAT (Orange) or equivalent.
Known Issues
Common Issues Hemi Tick:
Loud ticking noise from the 5.7L HEMI, often related to lifter/camshaft wear or exhaust manifold leaks. Covered in detail with diagnostic steps.
Common Issues Transmission:
Torque converter shudder in 48RE, solenoid pack issues in 42RLE. Manuals provide diagnostic and repair procedures.
Common Issues Suspension Steering:
Ball joint wear, tie rod end wear, steering stabilizer issues. Manual provides replacement procedures and alignment specs.
Common Issues Diesel:
Injection pump issues, fuel injector problems, EGR valve issues on later models (though 2006 Cummins may not have EGR).
📚 Vehicle History
Brand Heritage
Dodge Truck Legacy:
Dodge has a long history in the pickup truck market, with the Ram line dating back to the early 1980s, evolving into a formidable competitor against Ford and Chevrolet.
Model Evolution
Third Generation Ram:
The 2006 model is part of the third generation (2002-2008), which introduced a significant redesign with a more powerful chassis, improved styling, and the introduction of the HEMI engine and Mega Cab configuration.
While the 2006 model itself might not have won a specific 'Truck of the Year' award, the third-generation Ram platform (introduced in 2002) was highly regarded for its design and capability, often placing well in comparison tests.
Diesel Engine Recognition:
The 5.9L Cummins turbo-diesel engine consistently received accolades for its durability, power, and towing capabilities, making it a benchmark in the heavy-duty segment.
Ratings
Consumer Reports Reliability:
Reliability ratings for the 2006 Ram vary by engine and specific components. The manual helps diagnose and address common wear items to maintain reliability.