Acura Legend 1990 Owner's Manual
![Acura Legend 1990 Coupe manual cover](/images/GXYWYfREWeaLJUYljzNSmwWn/thumbs/thumb175x175.webp)
The recommended oil type for a 1990 Acura Legend Coupe is 5W-30, although 10W-30 can also be used depending on the climate conditions.
To troubleshoot starting issues, check the battery, ensure the starter is functioning properly, inspect the ignition switch, and verify that there is no issue with the fuel pump or the fuel filter.
Regular maintenance includes oil changes every 3,000 miles, checking and replacing air filters, inspecting brake pads and rotors, and ensuring that all fluids are topped off.
To fix a leaking sunroof, check the sunroof drains for blockages and clear them if necessary. Inspect the sunroof seal for damage and replace it if needed.
The correct tire pressure for a 1990 Acura Legend Coupe is typically 29 psi for the front tires and 29 psi for the rear tires. Always consult the owner's manual or the placard inside the driver's door for precise specifications.
To reset the maintenance required light, insert the key into the ignition, turn it to the "ON" position without starting the engine, and press the reset button located under the dashboard until the light turns off.
Common electrical issues include malfunctioning power windows and issues with the alternator. Solutions involve checking fuses, wiring connections, and ensuring the alternator is charging the battery correctly.
Replacing the timing belt involves removing the engine covers, loosening the tensioner, and carefully removing and replacing the belt. It is recommended to have a professional perform this job due to its complexity.
Improving fuel efficiency can be achieved by maintaining proper tire pressure, using recommended oil types, performing regular engine tune-ups, and reducing excess weight in the vehicle.
If the AC is not cooling properly, check the refrigerant levels, inspect the compressor for functionality, and ensure there are no leaks in the system. Consider having a professional diagnose and recharge the system.