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Inspection (MR2)

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  1. Check timing belt teeth for cracks or damage. If tooth damage is found, ensure camshaft and crankshaft sprockets are okay. If wear or cracks on flat side of belt face are found, check for nicks on idler pulleys. If wear or damage to only one side of belt is found, check belt guide and alignment of each pulley and sprocket.
  2. Check free length of idler pulley tension spring. See Figure. Replace spring if free length is not 1.713" (43.5 mm). Inspect spring tension at installed length. Installed tension is 22 lbs. at 1.976" (9.97 kg at 50.2 mm). Replace spring if not to specification.
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