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Belt squeal
60k Y61 ZD30 CR … got a belt squeal which intensifies when air con is on. Once up and running squeal disappears, only to return at take off/acceleration. Could this be caused by the belt or belt tensioner?
Thanks
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My money is on the Idler Arm Pulley, only replace with the genuine part.
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Belt squeak and bearing squeak are pretty distinctive (rubber squeak vs metal squeak). Rubber/belt squeak could mean belts too loose not properly gripping to the pulleys. Metal/bearing squeak means bearings too dry of grease; a bush repair would be to take off the pulley/idler, lift the bearing dust cover and put some grease; proper repair would be replace the bearing.
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Idler arm pulley for sure. ZD30 CRD's are notorious for blowing them up the moment a bit of grit gets in the bearing.
I went through 2 of them in the 3 years I used to own a 2009 3L.