To change the distributor cap on a 2003 Mitsubishi Diamante, first ensure the engine is off and cool. Disconnect the negative battery cable, then remove the screws or clips securing the distributor cap. Carefully lift off the old cap, noting the position of the ignition wires, and transfer them to the new cap. Finally, secure the new cap in place, reconnect the battery, and start the engine to check for proper operation.
5 1/4 per crutchfield.com =============================== My Diamante had factory 6.5"
3 bolts 2 wires
about $700 to $800...with a new water pump
To change the backup lights on a 2003 Mitsubishi Diamante, first, ensure the vehicle is turned off and in gear. Open the trunk and locate the tail light assembly; you may need to remove any covering or clips. Disconnect the electrical connector, then twist the socket counterclockwise to remove it. Replace the old bulb with a new one, reassemble everything, and test the lights to ensure they are working properly.
the oil filter is next to the oil pan underneath the car( passenger-side)
Inside the transmission case. You'll have to disasemble the torque converter housing from the unit, so the transmission will have to be out of the car in order to change the filter . The most that you can do is change the fluid every 30,000 miles.
i do have the picture for this diagram but i can not posted if you nned ut mail me and i will send it to you .....paulcastillo25@yahoo.com
The transmission relay switch on a 2003 Mitsubishi Diamante is typically located in the engine compartment fuse box. You can identify it by checking the diagram on the fuse box cover, which will indicate the specific relay for the transmission. If you're having trouble locating it, consulting the vehicle’s service manual can provide detailed information and diagrams.
The OBD-II plug for a 2003 Mitsubishi Diamante is typically located under the dashboard on the driver's side. You can find it near the steering column, often just above the brake pedal. It may be necessary to remove a cover panel to access the connector.
On a 2003 Mitsubishi Diamante, the diagnostic connector is typically located under the driver's side dashboard, near the steering column. Terminals 1 and 4 on the OBD-II connector correspond to the positive and negative battery voltage, respectively. Always ensure the ignition is in the "ON" position when accessing these terminals for accurate readings.
If you are inside the car, it is on the right side of the steering column, below the column. Feel with your hand as you can not see it sitting inside.
were are the timing marks at