SAE 5w-30 conventional or synthetic energy conserving oil any major brand. I think you will find it take 7 quarts. If you do not have an owners manual here is an online version. http://www.infinitiusa.com/content/dam/infiniti/pdf/techpubs/qx56/2006/2006-Infiniti-QX56.pdf
How many quarts of oil does a 2005 infiniti ax56 take
Best bet is to take it to an Infinity dealer
take it to the mecanic bye
The 2004 Ford expedition has a capacity of five quarts of motor oil. The manufacturer recommends that you never overfill the motor oil.
Replacing a wiper motor on a 2004 Chevy Impala can be difficult. It is best to take it to an auto repair mechanic or an authorized Chevrolet dealership.
The 2004 Ford Expedition Owner Guide shows ( 5W-20 )
To replace the windshield wiper motor in an Infiniti QX4, first disconnect the battery to prevent any electrical issues. Remove the wiper arms by loosening the nuts and lifting them off the pivot posts. Next, take off the plastic cover from the base of the windshield to access the motor, then unbolt the old motor and disconnect its wiring harness. Install the new motor by reversing these steps, ensuring everything is securely reassembled before reconnecting the battery and testing the wipers.
about 5 min.
Take it to a repair shop.
Take the glove box out then behind it if you listen you can find the blower mtr not all the facts but its how far I got
it depends on the motor size but most take 4.5 quarts