4M41 ENGINE - Cooling Fan, V-belt and Water Pump 11B-5-2 INSPECTION 1. AUTO-COOLING FAN COUPLING Check the auto-cooling fan coupling 4 , and replace if any of the following conditions exists: (1) Hydraulic fluid is leaking from the hermetically sealed housing. (2) The coupling turns irregularly or produces an abnormal sound when rotated by hand due to defective inside bearing. (3) The coupling has an excessive axial play when moved with the engine in a cold state. 2. V-BELT (1) Push the V-belt 5 at its midpoint with a force of approximately 98 N as shown and read the amount of deflection A . (2) If the reading deviates from the specified standard value, accomplish the following adjustment.
5 A (3) Loosen the bolt and nut B holding the generator, and adjust the tension of the V-belt 5 using the adjusting bolt C . B C Caution 1. Be sure to retighten the bolt and nut securely after the adjustment. 2. Excessive tension damages not only the V-belt 5 itself but bearings elsewhere. 3. Be sure to replace the V-belt 5, when necessary, in pairs and keep it slush-free. B CLEANING Remove foreign matters, if any, from the bimetal A using care not to apply unnecessary force to it. A PWEE9409-D E Feb. 2000 Mitsubishi Motors Corporation Added