Peugeot 504 Workshop Manuals and Repair Manuals

To adjust the idle speed in a Peugeot 504, start by locating the idle air control valve (IACV) or idle speed control (ISC) valve, typically located on or near the throttle body. Using a suitable tool, adjust the idle speed screw or slide to achieve the desired idle RPM as specified in the manual. It is crucial to follow the recommended idle adjustment procedure to ensure proper engine performance and prevent any potential damage.

To change the oil in a Peugeot 504, start by locating the oil drain plug underneath the engine and placing a drain pan underneath. Remove the plug and allow the old oil to fully drain out. Once drained, replace the drain plug and refill the engine with the recommended amount and type of new oil specified in the manual.

To change the spark plugs in a Peugeot 504, start by locating the spark plug wires or coil packs, depending on the ignition system. Carefully disconnect the wires or coil packs from the spark plugs, and using a spark plug socket and ratchet, remove the old plugs. Ensure the new spark plugs have the correct gap specified in the manual, and install them by hand to avoid cross-threading. Finally, tighten the spark plugs to the recommended torque and reconnect the wires or coil packs.

To check and top up the coolant in a Peugeot 504, start by allowing the engine to cool down completely. Locate the coolant reservoir, typically located near the radiator, and remove the cap. Check the coolant level against the markings on the reservoir and add a 50/50 mixture of coolant and distilled water if the level is low. Be careful not to overfill the reservoir, and securely replace the cap.

When diagnosing a transmission problem in a Peugeot 504, start by checking the transmission fluid level and condition. Low fluid levels or contaminated fluid can cause various transmission issues. If the fluid appears dirty, has a burnt smell, or is significantly low, it may be necessary to drain and refill the transmission with the appropriate fluid. If the issue persists, it is advisable to consult a professional mechanic or transmission specialist for a thorough diagnosis and potential repairs.

To replace a headlight bulb in a Peugeot 504, start by opening the hood and locating the headlight assembly. Depending on the specific model year, you may need to remove the retaining clips or screws holding the headlight assembly in place. Once the assembly is accessible, carefully disconnect the wiring harness from the back of the headlight bulb and remove the bulb. Install the new bulb by reversing the steps and ensuring a secure connection.

To replace a serpentine belt in a Peugeot 504, start by locating the belt routing diagram provided in the engine compartment or the repair manual. Using the appropriate tools, release the tension on the belt tensioner and remove the old belt. Install the new belt according to the diagram, ensuring it is properly seated on all pulleys. Lastly, release the tensioner and double-check the belt alignment before starting the engine.

To replace the brake pads in a Peugeot 504, start by safely lifting and securing the vehicle. Locate the brake caliper and remove the bolts securing it. Carefully remove the caliper, being mindful not to damage the brake hose, and then remove the old brake pads. Install the new brake pads, ensuring they are properly aligned, and reassemble the caliper. Finally, test the brakes before driving the vehicle.

To replace the fuel filter in a Peugeot 504, start by relieving the pressure in the fuel system by removing the fuel pump fuse or relay and running the engine until it stalls. Locate the fuel filter, usually along the fuel line under the vehicle or in the engine compartment. Carefully detach the fuel lines from the filter, and then remove and replace the filter. Ensure the new filter is correctly oriented and reconnect the fuel lines, ensuring they are securely fastened. Finally, reinstall the fuel pump fuse or relay and start the engine to verify the new filter's proper operation.

To reset the maintenance light in a Peugeot 504, start by turning the ignition switch to the "ON" position without starting the engine. Within a few seconds, locate and press the button or combination of buttons on the instrument cluster or steering wheel that corresponds to the maintenance light. Hold the button(s) for approximately 10 seconds until the light resets or the display indicates a successful reset. If unsure, refer to the owner's manual for the precise reset procedure.

When troubleshooting an electrical issue in a Peugeot 504, it is important to start by checking the fuse box for any blown fuses related to the malfunctioning component. Next, inspect the wiring harnesses for any visible damage or loose connections. If no obvious issues are found, it is recommended to use a multimeter to test the electrical components and circuits for continuity and proper voltage. If the problem persists, seeking the assistance of a qualified electrician or mechanic is advisable.

The air filter in a Peugeot 504 should generally be replaced every 12,000 to 15,000 miles or as recommended in the owner's manual. However, if you frequently drive in dusty or polluted environments, it may be necessary to replace the air filter more frequently. Regularly inspecting the air filter for signs of dirt, debris, or clogging is also essential to ensure optimal engine performance.

If the check engine light is illuminated in a Peugeot 504, it indicates that the vehicle's onboard diagnostic system has detected a potential issue with the engine or emissions system. It is recommended to have the vehicle diagnosed by a professional using a diagnostic scanner to retrieve the specific trouble codes. These codes will provide insight into the nature of the problem and guide the necessary repairs.

The recommended oil filter for a Peugeot 504 may vary depending on the specific engine model and year. It is crucial to refer to the owner's manual or consult a reputable auto parts store for the correct oil filter part number. Using the appropriate oil filter is essential for maintaining proper oil flow and filtration, ensuring the engine's longevity.

The recommended tire pressure for a Peugeot 504 may vary depending on factors such as load, driving conditions, and tire type. However, the general recommended tire pressure for a Peugeot 504 is usually around 30-35 PSI. It is important to check the owner's manual or the tire placard located on the driver's door jamb for the exact recommended tire pressure.