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Look up your car on RealOEM.com. It shows the belt shape when installed.
Good that you asked. I understand that it is physically possible to get it to fit with the alternator spinning backwards.
I presume that you just replaced belts and pulleys. A 2003 would be about due.
Be glad you don't have a 330 rather than a 325. The 330 is just enough tighter space to make the job about four times as difficult. (I have both).
Turn off the engine and place the transmission in park (automatic) or first gear (manual). Engage the parking brake and open the hood. Disconnect the negative cable from the battery terminal using the battery terminal wrench.
Remove the serpentine belt by inserting the end of the serpentine belt tool into the square hole on the belt tensioner and rotating the removal tool clockwise. Unplug the alternator's electrical connector. Remove the bolt holding the positive voltage cable to the alternator using a 3/8-inch ratchet and a metric socket. Remove the positive voltage cable from the alternator.
Remove the alternator bracket bolts using a metric socket connected to a 3/8-inch ratchet. Remove the alternator from the car. Place the new alternator in the mounting brackets and reinstall the mounting bolts using a 3/8-inch ratchet connected to a metric socket.
Reinstall the positive voltage cable on the alternator and tighten the retaining nut using a 3/8-inch ratchet and a metric socket. Plug in the alternator's electrical connector. Compress the serpentine belt tensioner using the serpentine belt tool. Reinstall the serpentine belt according to the belt-routing diagram located under the hood.
Reconnect the negative cable to the battery using the battery terminal wrench. Start the engine and verify that the alternator works.
It's normal for belts to loosen up a little after installation. I'd check the belt and re-tighten until there's no slack. A slipping belt would certainly cause the issue you have. Hope this answers your question. Best of luck!
here is step by step instruction on how to replace you alternator. please do not forget to rate and comment abotu your experience with fixya today
3.8L (VIN 1) Supercharged Engines
Disconnect the negative battery cable.
Remove the serpentine drive belt from the alternator, as outlined in Section 1 of this manual.
Detach the electrical connections from the alternator.
Unfasten the alternator mounting bolt and mounting bolt and nut.
Remove the alternator from the vehicle. To install:
Position the alternator in the vehicle and secure with the mounting nut and bolt. Tighten to 5 ft. lbs. (8 Nm).
Install the remaining mounting bolt and tighten to 5 ft. lbs. (8 Nm).
Attach the alternator connections. Tighten the output terminal nut to 66 inch lbs. (7.5 Nm).
Install the serpentine drive belt.
Connect the negative battery cable.
3.8L (VIN 3, C & L) Engines
Disconnect the negative battery cable.
Using a suitable breaker bar or ratchet, rotate the tensioner counterclockwise, then remove the serpentine drive belt. For more information regarding serpentine drive belt removal, please refer to Section 1 of this manual.
If necessary, remove the fuel rail cover.
While supporting the alternator, remove the mounting bolts.
Tilt the alternator forward, then label and detach the electrical connectors.
Remove the alternator from the vehicle.
Support the alternator in position, then install the alternator.
Install the mounting bolts and tighten to 1 ft. lbs. (11 Nm).
Attach the electrical connectors at the back of the alternator. Tighten the alternator output terminal nut to 93 inch lbs. (10.5 Nm) for 1987-92 vehicles, or to 66 inch lbs. (7.5 Nm) for 1993-94 vehicles.
If removed, install the fuel rail cover.
Install the serpentine drive belt and rotate the tensioner into position.