
Water Pump Idler Pulley Bearing Bore I.D. 61.996 MIN 2.4408
(Big Cam IV and New Big Cam IV) 62.012 MAX 2.4414
Idler Shaft O.D. 24.989 MIN 0.9838
(Big Cam IV and New Big Cam IV) 25.011 MAX 0.9847
Idler Pulley Bearing Bore I.D. 51.961 MIN 2.0457
(88 Big Cam IV) 51.986 MAX 2.0467
Bearing Spacer O.D. 24.935 MIN 0.9817
(88 Big Cam IV) 24.986 MAX 0.9837
Fan Hub - Inspection Specifications
Fan Hub Shaft End Clearance 0.08 MIN 0.003
0.25 MAX 0.010
Fan Hub Shaft O.D. 34.912 MIN 1.3745
34.925 MAX 1.3750
Fan Hub Bore I.D. 65.038 MIN 2.5605
65.075 MAX 2.5620
Fan Hub - Inspection Specifications Specifications
Page 18-58 NT 855
Part or Assembly Ref. Point mm in
Perfect..