Peugeot 604 Guides
Comprehensive DIY maintenance and repair guides for the Peugeot 604 (1982 - 1984).
Vehicle Repair Hub
Jump to the 1984 Peugeot 604 repair hub for guides, wiring diagrams, codes, and more.
Factory Service Manuals
Browse all manuals →Peugeot 604 Specs & Fitment
Browse all spec pages →🔋 Battery Location
Peugeot 604
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❄️ Coolant Type
Peugeot 604
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🧪 Fluid Capacities
Peugeot 604
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💡 Headlight Bulb Size
Peugeot 604
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🛢️ Oil Type & Capacity
Peugeot 604
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⚙️ Serpentine Belt
Peugeot 604
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⚡ Spark Plug Type
Peugeot 604
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🔘 Tire Size
Peugeot 604
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1984 Wiring Diagrams
Browse all wiring pages →Exact Wiring
1984 Peugeot 604 A/C & Heater Wiring Diagram
Open the exact a/c & heater diagram cluster for this vehicle.
Exact Wiring
1984 Peugeot 604 Alternator Wiring Diagram
Open the exact alternator diagram cluster for this vehicle.
Exact Wiring
1984 Peugeot 604 Body Electrical Wiring Diagram
Open the exact body electrical diagram cluster for this vehicle.
Exact Wiring
1984 Peugeot 604 Engine Management Wiring Diagram
Open the exact engine management diagram cluster for this vehicle.
Exact Wiring
1984 Peugeot 604 Headlight Wiring Diagram
Open the exact headlight diagram cluster for this vehicle.
Exact Wiring
1984 Peugeot 604 Instrument Cluster Wiring Diagram
Open the exact instrument cluster diagram cluster for this vehicle.
Common Trouble Codes
Browse all DTC codes →Multi-System
B1318: Battery Voltage Low
Trouble code cluster tied to this vehicle’s alternator, body electrical, starter diagnostics.
Multi-System
B0001: Driver Frontal Stage 1 Deployment Control
Trouble code cluster tied to this vehicle’s alternator, instrument cluster diagnostics.
Multi-System
B0010: Passenger Frontal Stage 1 Deployment Control
Trouble code cluster tied to this vehicle’s alternator, instrument cluster diagnostics.
Multi-System
P0335: Crankshaft Position Sensor A Circuit
Trouble code cluster tied to this vehicle’s starter, wipers diagnostics.
Multi-System
P0562: System Voltage Low
Trouble code cluster tied to this vehicle’s alternator, instrument cluster diagnostics.
Multi-System
P0563: System Voltage High
Trouble code cluster tied to this vehicle’s alternator, headlight diagnostics.
Browse by Repair Type
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Frequently Asked Questions
- Can I do my own repairs on a Peugeot 604?
- Yes, many Peugeot 604 repairs are DIY-friendly. Common jobs like oil changes, brake pads, air filters, and battery replacement can be done at home with basic hand tools. You can save $100–$400 per repair compared to a shop.
- What are the most common repairs for a Peugeot 604?
- The most common Peugeot 604 repairs include oil changes, brake pad and rotor replacement, spark plug replacement, battery replacement, and cabin/engine air filter changes. These are standard maintenance items for any vehicle.
- How much can I save doing DIY repairs on my Peugeot 604?
- DIY repairs on a Peugeot 604 typically save $80–$200 per job in labor costs alone. Over a year of routine maintenance, most owners save $300–$800 compared to dealership or independent shop pricing.
- What tools do I need to work on a Peugeot 604?
- A basic metric socket set, combination wrenches, jack and jack stands, a torque wrench, and common consumables like brake cleaner cover most Peugeot 604 DIY jobs. Specialty tools are rarely needed for routine maintenance.
- Where can I find parts for my Peugeot 604?
- You can find Peugeot 604 parts on Amazon with fast Prime shipping, at local auto parts stores like AutoZone or O'Reilly, or from online specialists. OEM part numbers help ensure correct fitment for your specific year and trim.