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Toyota Service
Toyota Service, Toyota Expert
Category: Toyota
Satisfied Customers: 4597
Experience:  30+ Yrs of auto experience, Award Winning Svc. Manager; Just Answer Customer's Choice Award Winner
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I am changing the timing belt on a 2007 Toyota Highlander 3MZFE

Customer Question

I am changing the timing belt on a 2007 Toyota Highlander 3MZFE 6 Cyl engine. The shop manual states the following "Only wipe the pulleys; do not use any cleansing agent."
Unfortunately, I read this after I cleaned both pulleys with Gunk Engine Degreaser, water and then Windex and water. The pulleys are dry and are have no perceptible residue. I am worried that the cleaning may have left a microscopic residue that would allow the belt to slip, rot the belt, or the pulleys. Should I buy new pulleys?
Submitted: 6 months ago.
Category: Toyota
Expert:  Toyota Service replied 6 months ago.
Hello. Welcome to Just Answer. Please allow me to assist you. You do not need new pulleys. I would recommend you spray the pulleys with aerosol brake cleaner spray. Then let them air dry. Then install your belt.

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