I have a 97 aerostar. A small piece of debris slipped past my air filter and lodged in the Air Bypass Valve so it wouldn't close all the way. I hissed and whistled at idle and when the valve open it stopped. It only takes a few minutes to remove it. Look on the accuator slide and make sure it moves freely. I also have a 97 aerostar, and I also have the humming problem that was described by the questioner. It does indeed stop humming once you press the gas pedal. I think the problem is caused by a bad vacuum booster behind the brake master cylinder. It is not a sound made by the engine. The booster may have a pierced membrane, and it makes a sound like you have pushed on the horn (but quieter). This is especially noticeable when you are stopped and the engine is idling. Revving the engine increases the vacuum in the booster, and stops the humming/farting sound! The brakes on mine still seem to work OK, but I guess to fix it, you need to replace the brake booster! Probably over $200 (isn't eveything!). However, if you lose your power brakes, it could mean you have to really floor the brake pedal to stop that aerostar!
Until you turn off the engine...
On the Ford 4.0 liter EFI , V6 engine ( Over Head Valve / pushrod design ) From what I have read , the camshaft position sensor is on top of the camshaft synchronizer , located on the top of the engine , near the centerline , near the rear of the engine . On my 1995 Ford EXPLORER apparently you can't see it until the upper intake manifold is removed
I believe Ford started using the 4.6 liter - SOHC - V8 engine in 1992 in their full size cars ( Crown Victoria etc. ) but didn't use it in the F-150 until 1997 and the Mustang until 1996
That engine has 2 of them and they both are underneith the INTAKE. You can't see or even get to them until you remove the intake.
Check the engine coolant... Is it full? yes coolant level is full
Yes, it uses an internal timing "CHAIN", not a belt. The timing chain should last until the engine needs to be rebuilt.
The 4.6 liter engine wasn't used in the Ford F-150 until the 1997 model year In the 1995 Ford F-150 there were ( 3 ) engines available The 4.9 liter ( 300 cubic inch ) straight six cylinder The 5.0 liter ( 302 cubic inch ) V8 and The 5.8 liter ( 351 cubic inch ) V8
Usually it's the lifters in the engine making that noise until they become fully pressurized with oil, then they stop ticking, like on the 3 liter caravans.
I also Got this kind of Engine but I've change my transmission to until 5th gear. How much will it consume Km/L.. Please help...
That engine has 2 of them and there both underneith the intake manifold. You can not see are even get to them until you remove the intake.
Start with 4.5 qts. Top off until full and make note of the amount.
I just keep adding until the dipstick shows that it is full. Or you could check your manual.