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The loud humming noise from the air filter area in your 1999 Explorer, particularly when it's hot outside or when the air conditioning is on, could be due to a few factors. It may be related to the air conditioning compressor working harder in high temperatures, or a problem with the electric cooling fan. Additionally, a worn or failing component, such as a belt or pulley, could also cause this noise. If the sound goes away when you accelerate, it may indicate that the engine's increased RPMs are alleviating the issue. It's advisable to have the vehicle inspected by a mechanic to diagnose the exact cause.
What else can I help you with?
How do you stop outside central AC from humming?
Turn it off.
Really loud humming noise coming from around air filter in engine compartment on 99 explorer when very hot outside or Air Cond is on?
The Ford Explorer uses an idle speed control valve that allows air to flow thru the idle air passage inside the intake manifold. When this air passage gets clogged up with carbon or grime it restricts the passage & the result is a loud humming / moaning noise. The repair is to remove idle speed control valve & spray carburetor cleaner or intake cleaner thru air passages inside intake manifold & clean or replace idle speed control valve.
Where is the humming bird's natural habitat?
The hummingbirds' natural habitat is outside.
Why might a 2000 Ford Explorer make a loud humming sound when it is cold outside but when you press on the gas pedal the noise stops?
Your IAC (Idle Air Control) valve is going bad. It is attached on your throttle body..
What are the release dates for Outside Explorer - 2013?
Outside Explorer - 2013 was released on: USA: 8 December 2013
What actors and actresses appeared in Outside Explorer - 2013?
The cast of Outside Explorer - 2013 includes: Tierza Scaccia as Herself - Host
What are the release dates for Outside Explorer - 2013 David B?
Outside Explorer - 2013 David B was released on: USA: 30 December 2013
What are the release dates for Outside Explorer - 2013 Clever Hiker?
Outside Explorer - 2013 Clever Hiker was released on: USA: 4 December 2013
What are the release dates for Outside Explorer - 2013 Pier Peer?
Outside Explorer - 2013 Pier Peer was released on: USA: 21 December 2013
Why is my outside AC unit making a humming noise?
Your outside AC unit may be making a humming noise due to a faulty capacitor, a malfunctioning fan motor, or debris blocking the unit. It is important to have a professional HVAC technician inspect and repair the unit to prevent further damage.
How to Repair a ford Explorer Outside Temperature display?
my outside temp diplay is inop
What are the release dates for Outside Explorer - 2013 Browns Canyon Rafting?
Outside Explorer - 2013 Browns Canyon Rafting was released on: USA: 25 December 2013
