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- Ford F-150 (https://www.fordforum.com/forum/ford-f-150-14/)

- - Squealing noise. (https://www.fordforum.com/forum/ford-f-150-14/squealing-noise-4925/)

JimMaher

Aug 18, 2006 01:03 PM

Squealing noise.

98 F150 4.2L V6 Automatic sqealing noise after starting when cold then after short warm up goes to chirping sound. I thought it was serpentine belt or pulley but sound still happens after I removed the belt and started. It is driving me crazy trying to find. Could it be noise from some sort of emissions device, valve, sensor, etc.

94 4x4 ranger

Aug 18, 2006 06:29 PM

RE: Squealing noise.

[ul][*]There are 3 ford technical service bulletin's on this engine for vacuum leak's or intake manifold leak's.[*] Another tsb is for a accessiory belt noise when cold.[*] Another for cold start engine noise.
[/ul]

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