2008 ford f 150 makes a whistling noise when it's cold out .if I accelerate noise goes away till I let off gas then it comes back.

35

Asked by Feb 23, 2013 at 10:55 AM about the 2008 Ford F-150 XL SuperCrew 4WD

Question type: Maintenance & Repair

3 Answers

228,585

Start the car when cold, open the hood and check the front of your engine where the drive belt is. One of your pulley or accessory bearings, and or tensioner is probably making the noise.

2 out of 2 people think this is helpful.
35

thanks ill look at it and post result

26,655

a whistleing sound sounds more like something with your intake alot of aftermarket intakes are more noisey than factory, maybe a hose isnt on properly or some vaccum line has a crack something to that effect. It could be a pulley but all the ones ive seen go bad make a high pitch whinning noise and it doesnt go away beacuse the pulley is always spinning with the motor is running.

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