BMW 2002 Parts

BMW 2002 Parts Questions & Answers

• Exchange Starter Motor
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  Q: What is the function and removal process of a starter motor with a solenoid on BMW 2002?

  A: This type of starter incorporates a solenoid mounted on the starter body, which, when the ignition switch is operated, moves the starter drive pinion into engagement with the flywheel starter ring gear through the shift lever. As the solenoid reaches the end of its stroke and the pinion is fully engaged with the flywheel ring gear, the fixed and moving contacts close, energizing the starter to rotate the engine. This fractional pre-engagement of the starter drive significantly reduces wear on the flywheel ring gear compared to inertia type starters. To remove the starter, first disconnect the lead from the battery negative terminal, then disconnect the leads from the starter solenoid terminals and release the starter front mounting. Next, unbolt the starter from the bell housing and withdraw it. Installation is simply the reverse of removal.
• Water Pump
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  Q: How to remove and install a water pump in a cooling system on BMW 2002?

  A: Drain the cooling system and remove the radiator. Flatten the tabs of the locking plates, unscrew and remove the fan securing bolts, and withdraw the fan. Slacken the dynamo or alternator mountings and adjuster, push the dynamo or alternator towards the engine, and slip off the driving belt and water pump pulley. Disconnect the hoses from the water pump, then unscrew and remove the securing bolts before withdrawing the water pump. If it is stuck, avoid levering it off to prevent damage to the mating flanges; instead, give it a sharp blow with a soft-faced mallet. For installation, reverse the removal process, ensuring to use a new flange gasket and copper sealing washers under the bolt heads.
• Insert Shock Absorber
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  Q: How to remove and install the front shock absorber on BMW 2002?

  A: Jack up the front of the car and remove the hub and disc shield. Disconnect the track rod end from the steering arm at the base of the suspension strut using a suitable ball joint separator. Disconnect the track control arm from its pivot on the front crossmember. Cut the locking wire and disconnect the track control arm swivel joint from the base of the suspension strut by removing three bolts. Remove the strut upper mounting nuts and withdraw the strut downwards and out from under the front wing. Installation involves reversing the removal process.
• Tapered Roller Bearing
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  Q: How to adjust the front wheel bearing hub on a BMW 2002?

  A: Jack up the front of the car and remove the roadwheels. Tap or twist off the dust cap and extract the split pin. Withdraw the disc pads. Rotate the hub in its normal (forward) direction of travel and tighten the castellated nut to a torque of 20 lb/ft (28 Nm) to settle the bearings. Release the nut and tighten it with the fingers only; bearing endfloat should have been eliminated or should not exceed 0.02 mm, which is an almost imperceptible amount. Do not confuse endfloat with rocking of the taper roller bearings, which will be evident if the bearings are worn. If the adjustment has been carried out correctly, the thrust washer behind the castellated nut should be just free enough to be rotated slightly in either direction. Install a new split pin and bend the ends well over, then refit the dust cap and the disc pads. Repeat the operations on the opposite hub, and then refit the roadwheels and lower the jack.