How do I change the spark plugs? I'm having trouble even locating where they are.
Sep 10, 2019 at 4:11 PM
Spark plugs location/replacement
1999 LINCOLN NAVIGATOR
C0BY
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Hi,
Here is the procedure for removing them. The first 4 screen shots show for the dual overhead cam engine (DOHC) and the next 3 are for the single overhead cam (SOHC) engine.
In both cases, you need to remove the coil on plug in order to access the plugs. I suspect you have the DOHC engine because it has a coil cover that you need to remove in order to gain access.
Let me know if you have questions and we can go from there. Thanks
Here is the procedure for removing them. The first 4 screen shots show for the dual overhead cam engine (DOHC) and the next 3 are for the single overhead cam (SOHC) engine.
In both cases, you need to remove the coil on plug in order to access the plugs. I suspect you have the DOHC engine because it has a coil cover that you need to remove in order to gain access.
Let me know if you have questions and we can go from there. Thanks
Images (Click to enlarge)
Sep 10, 2019 at 4:39 PM