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Posts Tagged: serpentine belt noise

Serpentine Belt noise Ford Lincoln

Fix Serpentine Belt noise Ford Lincoln If you encounter a serpentine belt noise that sounds like a high-pitched hoot or whistle on your Ford or Lincoln 4.6 and 5.4L engine, this may be your fix. The noise is most noticable on cold startup, usually below 40 degrees. And the noise usually stops after 10-mins of driving. Ford has discovered that the ribbed serpentine belt may wear grooves in the nylon idler pulley. Ford has redesigned the pulley. Installing a new pulley 6L3Z-6C348-A should eliminate the problem. The new pulley costs … Read More

Serpentine belt noise Lexus

Fix Serpentine belt noise on a Lexus Lexus has discovered a problem with serpentine belt noise on some of its models that can cause a chirping or squealing noise on startup. If you own a 2001-04 GS 430, LS 430, or a 2002-04 SC 430 Lexus, and have a chirping serpentine belt nois you may want to replace the factory belt with a new part number. The new belt is made with a different rubber compound that eliminates the slipping on cold starts. The new part number is #90916-02586 for … Read More


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