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All Name brand oils are good. I use Pennzoil and have for 30 years with no internal engine problems. Changing the oil/filter and the air filter regularly are more important than the brand you use. The Air Filter should be changed at a minimum of every 30,000 miles and more often in a dusty climate. Change the oil & filter every 5,000 miles and use a quality filter such as Purolator, Wix, & Motorcraft. It is also critical to use the exact weight oil recommended by Lincoln for your 1999. You can also use a Synthetic oil and extend the oil change interval to 8,000 miles.
What else can I help you with?
Where is the starter relay for 1999 Lincoln Navigator?
tell me how to replace a starter in a Lincoln navigator"?
What grade of oil does 1999 Lincoln navigator use?
According to the 1999 Lincoln Navigator Owner Guide ( 5W-30 )
What is the size of a FUEL TANK 1999 lincoln navigator?
According to the 1999 Lincoln Navigator Owner Guide : ( 113.6 liters / 30.0 U.S. gallons )
Where is cylinder 4 on a 1999 Lincoln Navigator?
On a 1999 Lincoln Navigator : firewall 4 - 8 3 - 7 2 - 6 1 - 5 front of vehicle
Where is the fuel pump 1999 Lincoln navigator?
On a 1999 Lincoln Navigator : The ELECTRIC fuel pump is INSIDE the fuel tank ( the fuel pump is " suspended " in the tank from the top of the tank )
Where do the CD player in 1999 navigator is located?
On a 1999 Lincoln Navigator : If it is equipped with the six disc C/D changer , it is in the center console
What is a 1999 Lincoln Navigator tire size?
On a 1999 Lincoln Navigator : Open the drivers door and on the latch pillar you will see an information sticker that shows the original tire size on the vehicle from the factory
What is the replacement subwoofer for a 1999 Lincoln Navigator?
the replacement is an 8" subwoofer
How many miles in 1999 Lincoln navigator per gallon?
For a 1999 Lincoln Navigator : Miles per U.S. gallon : ( 11 to 12 in the city / 15 to 16 on the highway ) according to a website I was looking at )
Where is the number 2 cylinder on a 1999 Lincoln Navigator?
firewall 4 - 8 3 - 7 2 - 6 1 - 5 front of Lincoln Navigator
What mechanical problems are there on a used 1999 Lincoln navigator?
There are several problems that can arise on a used 1999 Lincoln Navigator. These problems include: air suspension issues and excessive rotor wear due to the weight of the vehicle.
How do you install air filter on navigator 1999?
My boyfriend won't help me. How do you change a air filter in a Lincoln Navigator 1999. I bought a new one now what?
