OBD-I (On-Board Diagnostics, First Generation) system.
🔧 Maintenance
Service Intervals
Oil Change Interval:
Every 3,000-5,000 miles or 3-6 months, using appropriate oil viscosity.
Engine Tune Up:
Spark plugs, wires, and distributor cap/rotor inspection/replacement recommended around 30,000-60,000 miles.
Transmission Fluid Service:
Change ATF every 30,000-50,000 miles, including filter replacement.
Coolant Flush:
Flush and replace coolant every 30,000-50,000 miles or 2-3 years.
Fluid Specifications
Engine Oil Type:
API Service SG or SH, SAE 5W-30 or 10W-30 (refer to manual for specific temperature ranges).
Engine Oil Capacity:
Approximately 4.5 quarts (4.3 L) with filter (3.0L V6) / 5.0 quarts (4.7 L) with filter (3.3L V6).
Coolant Type:
Ethylene Glycol based coolant (e.g., Mopar Antifreeze/Coolant).
Brake Fluid Type:
DOT 3 Hydraulic Brake Fluid.
Power Steering Fluid Type:
Mopar Power Steering Fluid or equivalent.
Known Issues
Common Electrical Problems:
Power window regulators, door lock actuators, instrument cluster failure (e.g., odometer, gauges), headlight switch issues.
Common Engine Issues:
Intake manifold gasket leaks (especially on the 3.0L V6), timing belt wear (3.0L V6), sensor failures (e.g., crankshaft position sensor, MAP sensor).
Common Transmission Issues:
Ultradrive (A604) transmission issues, including solenoid failures, rough shifting, or slipping. Fluid leaks are also common.
Common Suspension Issues:
Worn ball joints, tie rod ends, and strut mounts leading to steering looseness and noise.
Common HVAC Issues:
A/C compressor failure, evaporator leaks, blend door actuator malfunctions, blower motor resistor failure.
📚 Vehicle History
Brand Heritage
Manufacturer:
Dodge (a division of Chrysler Corporation)
Model Evolution
Debut:
Introduced for the 1991 model year as a replacement for the Dodge Aries and Dodge 600 sedans.
Design Inspiration:
Based on the updated Chrysler Y-body platform, sharing many components with its Chrysler New Yorker and Imperial counterparts.
Facelift Or Updates:
Received minor trim and feature updates throughout its production run (1991-1993).
Production
Production Years:
1991-1993
Manufacturing Location:
USA (typically Chrysler assembly plants, e.g., Jefferson Avenue Assembly in Detroit, Michigan).
Discontinuation:
Production ended after the 1993 model year. It was not directly replaced, with the Dodge Intrepid effectively taking over the larger sedan segment.
🏆 Awards & Recognition
Recognitions
Industry Awards:
While the Dynasty itself didn't garner significant specific awards, it represented Dodge's effort to compete in the full-size sedan segment with a focus on comfort and luxury.
Ratings
Consumer Reports Placement:
Generally rated as average or below average in reliability by consumer publications of its era, particularly concerning the Ultradrive transmission and electrical components.
Certifications
Manual Certification:
This manual is designed to meet or exceed the technical documentation standards expected for factory service information.
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