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2004 Lincoln Navigator - Page 6 Questions & Answers
My Monaco Knight air suspension will not air up
Check to see if the pump is working. If not replace entire system with quality (Monroe) after market standard spring/shock set up. Check to see if air bag is holding air. If not replace entire system per above. In other words replace air system. I replaced mine on 2004 Navigator and could hardly till the difference. I thought it had a more comfortable ride all around. Maybe 1/2 inch higher. Made it easier to sell because of the poor reputation of the air system. Air system is very expensive to replace.
Air suspension
You could have a bad pump, or a leak somewhere in the system! The pump is usually located on the passenger side wheel well! From there, follow the air lines along the underneath side of the vehicle to the suspension unit! if there are no leaks to that point, you may have to replace the air bag on the rear. They are very expensive to replace also! My 89 Continental was $1400!
Front window defrost not working
blend door problem, common on fords of this vintage-get down low on passenger side and with a flashlight, look for a door with an arm actuator. They commonly break, but you can manually open it to get air to the defrost.
Air suspension height rear
Your air compressor should be found under the hood, on the right hand side, mounted just behind the head light.
My navigator 04 vibrates at low speed and idle?
Have someone knowledgeable check the "Cam Phasers" for you. You will often hear a "tic" or "knock" from the engine at low speeds and gradually disappearing at 2000rpm.
This series of parts have been trouble for awhile. Look up "Cam Phaser" articles on the Web.
Intake manifold removal
check out your procedure for this as it should not be necessary to remove any manifolds to replace plugs. Ask the service centre as to what tool you should have for the job or get a workshop or owner manual which will explain the way to remove the plugs.
Replace timing chain
That should be left to a professional if install incorrect severe engine damage can occur. The 5.4 dohc engine sludges if not maintained causing timing chains to rattle from lack of lubrication
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