Question about 2004 Toyota Corolla

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Where is water pump and drive belt located on 2003 corolla ? Dealer recommended it needs changing along with timing chain tensioner which they say is leaking oil . I usually fix my own cars after doing my research so any help you provide will help , thank you !

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  • Toyota Master
  • 6,826 Answers

Water Pump Removal & Installation To Remove:
where is water pump and drive belt  located on - toy_car_18_eng_cooling_sys_xp.gif

  1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
  2. Drain the engine coolant.
  3. Remove the right lower splash shield.
  4. Remove the drive belt toy_car_18_eng_wtr_pmp_blts.gif

  5. Remove the 6 water pump mounting bolts. Remove the water pump and O-ring (except XRS).

  6. Using special tool 09960-10010 or equivalent, remove the water pump pulley bolts and pulley (XRS).
  7. Remove the 6 water pump mounting bolts. Remove the water pump and O-ring (XRS).
To Install:
  1. Install a new O-ring on the timing chain cover. toy_car_18_eng_wtr_pmp_blt_torque.gif

    Note: Bolt lengths are indicated in the illustration bolt (1) 1.18 inches (30mm) bolt (2) 1.38 inches (35 mm)
  2. Install the water pump (except XRS).
    1. Tighten the mounting bolts (1) to 80 inch-lbs (9 Nm).
    2. Tighten the mounting bolts (2) 8 ft-lbs (11 Nm).
  3. Install the water pump (XRS).
    1. Tighten the mounting bolts 80 in lbs (9 Nm).
    2. Install the water pump pulley using special tool 09960-10010 or equivalent. Tighten the mounting bolts 11 ft lbs (15 Nm).
  4. Install the right lower splash shield.
  5. Install the drive belt.
  6. Fill the cooling system.
  7. Check for leaks.
next.gif

Posted on Oct 09, 2010

  • Duane Wong
    Duane Wong Oct 09, 2010

    The timing chain tensioner requires getting into the timing chain and timing chain gear. The procedure is quite lengthly. I think that I can't copy and paste the entire procedure on to fixya.com but it would be outlined in the chilton or haynes manual.

    I would recommend that you get a service manual for this procedure.

    Good luck on this repair.

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Water Pump - Removal & Installation
  1. Before servicing the vehicle, refer to the precautions at the beginning of this section.
  2. Drain the cooling system.
  3. Disconnect the negative battery cable.
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  9. dc45c19.jpg

    Fig. Water pump and timing belt assembly-exploded view

To install:

1016213.jpg

Fig. Water pump bolt locations
  1. Clean the gasket surfaces of the water pump body and the cylinder block.
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  1. Before servicing the vehicle, refer to the Precautions Section.
  2. Drain the cooling system.
  3. Disconnect the negative battery cable.
  4. Remove the drive belt and the water pump pulley.
  5. Remove the timing belt cover, timing belt, auto tensioner and idler pulley.
  6. Remove the water outlet fitting, the thermostat case and the water pump fitting.
  7. Remove the water pump mounting bolts.
  8. Remove the water pump.

To install:


e9be8c3.jpg

Fig. Water pump bolt locations

596080e.jpg

Fig. Water pump O-ring installation
  1. Clean the gasket surfaces of the water pump body and the cylinder block.
  2. Install the new water pump gasket and pump assembly. Tighten the bolts to 12-16 ft. lbs. (17-22 Nm).
  3. Install the water pump fitting, the thermostat case and the water outlet fitting.
  4. Install the auto tensioner and timing belt. Adjust the timing belt tension, then install the timing belt cover.
  5. Install the drive belt, water pump pulley and then adjust the auto tensioner.
  6. To adjust the drive belt tension, hang the belt on the pulley of the tensioner and install the tensioner.
    NOTE If the tensioner is already installed, loosen its mounting bolts to allow belt installation
  7. Install the drive belt.
  8. Adjust the belt tension to specification by turning the adjusting bolt clockwise or counterclockwise.
  9. Air conditioning belt tension should be 0.28-0.039 inch. Alternator belt tension should be 0.39-0.051 inch. Power steering belt tension should be 0.31-0.051 inch.
  10. Torque the tensioner assembly bolt to 33-36 ft. lbs. (45-50 Nm).
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  12. Run the engine and check for leaks.

TY for using Fixya; remember comment and rated this.

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1997 nissan maxima with 3000 24 valve twin cam v6. I am need a water pump.What comes off to change.


Hello and thank you for using FixYa!

To replace the water pump, you will need to remove all the drive belts. Then there are 2 black covers on the front timing cover. One cover is for the chain tensioner, the other is for access to the water pump. I would recommend you replace the tensioner the same time you do the water pump. The reason is, you need to remove that tensioner so the chain has slack. When the chain has slack, you can then unbolt and pull the water pump out. It could get stuck, so there are bolts that you need that you would use to run in to pop the pump free.

Hope this helps , Thanks Jay!

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TIMING CHAIN


I would recommend buying a shop manual from any auto store.

If you are asking than chances are you do not have the required tools to remove the crankshaft bolt.

Remove the valve cover and verify engine is TDC
Remove all accessory belts
Remove the engine mount on the side of your accessory belts
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Remove the timing chain tensioner and remove the timing chain
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Align all marks (balance shaft, crank, cram, and water pump if it has one) and install in reverse order.

By hand this should take 2-3 hours with the right tools
With air tools this should take 1 hour for the average joe or at least it only takes me 45 min to an hour.

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Well, waterpump on your car is internal inside the timing chain area, being driven by the timing chain. You need to remove drive belts, the small black side covers, that are screwed into the front engine cover. The left on has the chain tensioner, the right one has the water pump behind it. Once the covers are removed, you need to push the timing chain tensioner inside and put a pin inside of it (tensioner ) to hold it in. Once you have done that, you need to rotate the engine counterclockwise (until you feel tension) to loosen the chain around the water pump. Then you will use 2 bolts (6mm and about 2 inches long) and screw those into the water pump body. This will pull the pump out of the engine, so pretty much the bolts are going to be acting as puller device to remove pump out of engine. reverse install procedure. This is not the easiest of repairs and not for a novice or someone, that doesn't really work on cars. Good luck.

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Does the Corolla 2003 model have a timming belt or chain?Does the water pump has to be changed at 70K miles? Thanks. Adrian


Adrian,

Until 2002 Toyota's had a timing belt. After 2002, Toyota's have a timing chain. Manufacturer/dealers recommend replacement of the timing chain at about 90,000 miles. I've talked to several mechanics - including the dealer - about the cost of changing out the chain. The lowest price I found from a very reputable mechanic is $260-270. He told me that if I brought in the part, he'd reduce the cost. The dealership was almost double!

Re: water pump: I haven't found anything that stated it must be changed at 70K miles. Hope this was helpful.

Lady V

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