Hot-vast 0 Posted January 10 Report Share Posted January 10 Not coming from any pulley or exhaust parts. Possibly something up with the parts involved in the timing chain. Has anyone heard this sound before ? IMG_3499.MOV Quote Link to post Share on other sites
Dougster01 1 Posted January 18 Report Share Posted January 18 Hi, is your 06 Highlander a hybrid model? I do know that some hybrids with very high miles get a little noisy (or very noisy) upon a start-up in cold weather. Quote Link to post Share on other sites
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