Filed Under (Mazda) by admin on 19-11-2010
REMOVAL & INSTALLATION See Figures 1, 2, 3, 4 and 5 1. Disconnect the negative battery cable. 2. Remove the engine fan/clutch assembly and shroud. 3. Remove the accessory drive belt(s). 4. On those engines with a separate damper and pulley, remove the retaining bolts, then separate the crankshaft damper from the pulley. 5. Remove the pulley-to-crankshaft bolt and washer. Fig. Fig. 1: If necessary on some engines, assemble a puller to the damper … Fig. Fig. 2: … then tighten the center bolt to remove the damper from the crankshaft Fig. Fig. 3: Loosen the crankshaft pulley center nut by installing a small bolt on the outside of the pulley, using a prybar for holding force and a socket and breaker bar Fig. Fig. 4: Remove the crankshaft pulley retaining bolt Fig. Fig. 5: Remove the crankshaft pulley, keep the small bolt in for installation purposes 6. If necessary, use a puller tool to remove the damper/pulley from the crankshaft. 7. If equipped, remove the crankshaft key. To install: WARNING On MPV models equipped with the 3.0L engine, the crankshaft position sensor rotor is on the rear of the damper/pulley and can be easily damaged. 8. Inspect the front cover seal and replace if necessary. 9. On 3.0L (B Series Pick-up) and 4.0L engines, perform the following: a. Coat the rubbing surface of the damper/pulley with clean engine oil. b. Apply a small amount of RTV sealant to the damper keyway groove. c. On the B Series Pick-up with the 3.0L engine, use a crankshaft damper installation tool to press the damper onto the crankshaft. Install and tighten the retaining bolt to 93-121 ft. lbs. (125-165 Nm).
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Filed Under (Mercedes-Benz) by admin on 07-08-2010
the engine fan running constantly with code P2073(004) Electric fan for engine & AC, open circuit; this may be caused by the wiring harness between the ECU and the engine fan or the engine control unit fan end stage malfunctioning. To resolve, perform the below procedure. Only vehicles as outlined in Service Campaign Bulletin No. 2003110006 are affected, see vehicle range shown. When performing Service Campaign Bulletin No. 2003110006 only, the engine ECU does not need to be exchanged. All engine ECUs exchanged under warranty for the above condition must be accompanied by the freeze frame data for the respective DTC. Claims submitted without this information will be debited back to the dealer.
Filed Under (Ford) by admin on 04-05-2010
See Figure 1 Fig. 1: Exploded view of the engine fan for the 2.3L and 2.5L engine The 2.3L and 2.5L engine does not use a fan hub nut. It is retained by four bolts which also secure the pump pulley to the water pump. 1. If not equipped with A/C, disconnect the overflow tube from the fan guard, then unbolt and remove the guard. 2. If equipped with A/C, disconnect the overflow tube from the shroud, remove the mounting screws and lift the shroud off the brackets. Place the shroud behind the fan. 3. Remove the 4 clutch/fan assembly-to-pulley screws and remove the