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How to change alternator belt for 2003 cavalier

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Hello wndsmth,

Drive BeltReplacement Removal Procedure 1. Raise andsupport the vehicle. Refer to Vehicle Lifting. 2. Remove thefront fender liner. 3. Rotate thedrive belt tensioner counter-clockwise to release the spring tension. 4. Remove thedrive belt. InstallationProcedure 1. Rotate thedrive belt tensioner counter-clockwise to release the spring tension. 2. Install thedrive belt. 3. Install thefront fender liner. 4. Lower thevehicle. See picturebelow. Regards, netvan
how to change alternator - netvan_50.png

Posted on Apr 02, 2011

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Hi Britnie, The battery light means it's not charging , Alternator problem , possibly ! Is there a auto parts store near you ? Most will check it out for free ! With ac not working too , could be just the serpentine belt . The belt turns the alternator an ac compressor !

Jun 11, 2015 | 2003 Chevrolet Cavalier

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How to change water pump

The water pump in your 2003 Chevy Cavalier circulates engine coolant from the radiator into the engine, where it absorbs damaging heat from the combustion process. The coolant is then pushed, by the water pump, into the radiator, where the heat it has absorbed is released into the air. When the water pump fails, overheating and severe engine damage can occur. The most common symptom of a worn water pump is a telltale leak from a small hole, called a weep hole, near the water pump shaft.
Skill level:Moderate

  1. Disconnect the negative battery cable from the battery using an 8mm wrench and lay it aside. Place a drain pan under the driver-side front of the Cavalier and open the drain valve located on the bottom of the radiator. Remove the radiator cap from the coolant reservoir and allow the coolant to drain into the drain pan.

  2. 2

    Remove the serpentine belt, using a belt removal tool positioned on the tensioner pulley bolt to rotate the tensioner clockwise while sliding the belt off the alternator pulley. Disconnect the electrical connector from the alternator by pushing the release tab and then pulling the connector from the back of the alternator. Remove the two 13mm alternator bolts, located in the front of the alternator bracket, using a 13mm socket and ratchet. Add an extension to the socket and ratchet and remove the rear 13mm alternator bolt located below the alternator bracket reinforcing rib on the back of the alternator. Slip the alternator from the bracket and lay it aside.

  3. 3

    Remove the 10mm water pump pulley bolts using a 10mm wrench. Remove the 8mm water pump mounting bolts using a socket, extension and ratchet. Use a screwdriver to pry the water pump from the front of the motor. Clean the gasket surface on the engine using a gasket scraper until all traces of the gasket are gone.

  4. 4

    Attach the new gasket to the new water pump using gasket adhesive and install the new pump into the front of the engine. The gasket on the water pump in the Cavalier can be a little tricky to place, but it will only go on one way. Torque the water pump bolts to 18ft-lbs. using a torque wrench.

  5. 5

    Reinstall the water pump pulley and tighten the bolts securely. Reinstall the alternator and serpentine belt. Retighten the water pump pulley one final time with the belt installed to prevent loosening caused by vibration.

  6. 6

    Close the drain valve on the bottom of the radiator and fill the engine with a 50/50 mix of fresh coolant. Remove the bleed valve on the top of the thermostat housing to vent air from the system. Reinstall the bleed valve when coolant starts to escape. Start the engine and add coolant to the engine as it is drawn from the coolant reservoir. Fill the reservoir to the full level on the reservoir, and reinstall the radiator cap., Hope this helps & please don't forget to rate me, Kind Regards from Paul across the pond.

Sep 13, 2012 | 2003 Chevrolet Cavalier

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Can i use a alternator from 2004 cavalier in a 2003 cavalier

H Rob, If the engines are the same type and the mounting align you can. Make sure that the electrical connections fit and then go ahead. When fitted take special note of the belt alignment, making sure it is in line with the other pulleys. Once confirmed you're A for away. Regards John

Feb 19, 2012 | 2003 Chevrolet Cavalier

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After how many miles or kilometers am I supposed to have my 2003 chevy cavalier's timing belt changed?

60,000 miles is a general specification. soma last to 100,000, some last 60,001.

Oct 06, 2010 | 2003 Chevrolet Cavalier

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Replaced alternator on '98 Cavalier. Can get belt

turn bolt until it tightenc back up then keep pying the same direction (believe you are talikng about the tensioner)the tensioner should spring (move) back enough to slip belt over, lil tricky but you'll get it

Apr 24, 2010 | 1998 Chevrolet Cavalier

1 Answer

Need to change an alternator on a 94 Cavalier with a 2.2L engine.

GM Cavalier/Sunbird/Skyhawk/Firenza 1982-1994 Repair Guide

Alternator - Removal & installing

1994 Chevrolet Cavalier 2.2L SFI OHV 4cyl
  1. Disconnect the negative battery cable at the battery.
CAUTION Failure to disconnect the negative cable may result in injury from the positive battery lead at the alternator, and may short the alternator and regulator during the removal process.
  1. Disconnect and label the two terminal plug and the battery leads from the rear of the alternator.

Fig. Detach the connector(s) from the rear of the alternator
  1. Loosen the alternator mounting bolts. Push the alternator inwards, then slip the drive belt off the pulley.

Fig. Unfasten the lower rear mounting bolt


Fig. Loosen the rear upper retainer
  1. Remove the mounting bolts, then remove the alternator from the vehicle.

Fig. Unfasten the front mounting bolt, then ...


Fig. ...remove the alternator from the vehicle


Fig. Removal and installation of the alternator - 1.8L and 2.0L OHC engines, except Turbo


Fig. Alternator mounting for a 1987-89 2.8L and 1990-94 3.1L engine

To install:
  1. Place the alternator in its brackets and install the mounting bolts. Do not tighten them yet.
  2. Slip the belt back over the pulley. Pull outwards on the unit and adjust the belt tension (see ). Tighten the mounting and adjusting bolts.
  3. Attach the electrical leads to the alternator.
  4. Connect the negative battery cable.

I hope help you with this (remember rated this help). Good luck.

Sep 18, 2009 | 1994 Chevrolet Cavalier

1 Answer

How do you change the serpentine belt on a 2003 cavalier?

you should have an idler pully...when you find that, find the correct size wrench and push down/up to relieve pressure on the belt then just slide it off.

Sep 13, 2009 | 2003 Chevrolet Cavalier

1 Answer

Water pump for an 03 chev. cavalier

with the serpentine belt still on,loosen the 3 bolts holding water pump pulley on.remove serpentine belt.remove the 3 bolts and take off the pulley.If you want,you can remove the alternator for easier access to pump.loosen the 4 bolts on pump and allow coolant/water to drain from engine.remove bolts ,remove water pump,clean gasket off engine block.install pump reverse order.install 50-50 mix of dex-cool coolant(coolant and water mix).run vehicle with radiator cap off to remove air bubbles from system.install radiator cap,top off recover bottle.

Jun 01, 2009 | 2003 Chevrolet Cavalier

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