chilton publish the shop manuel you are looking for. available at stores like o'reillys and autozone
read the owners manual
look in your owners manual.
dealership, ebay.com, or local salvage yard
should be in your owners manual
Change it according to the manufactures recommendations as listed in your owners manual.
should be atf but check owners manual for more information
When making changes to anything electrical it is good to have a diagram to ensure everything is done correctly. A person can find a diagram for a Peugeot 309 Diesel in the owners manual or maintenance manual.
according to my owners manual it is 12.7 liters
Most likely it is 60,000 miles. You can check the service interval in your owners manual.
PLEASE CHECK YOUR OWNERS MANUAL OR CALL YOUR LOCAL DEALERSHIP.
Best to read your owners manual to locate that answer. Then you know you have the correct answer.
Use exactly the weight that is listed in your owners manual any major brand.