Question about 1998 Chevrolet Metro

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How Do i replace Water Pump on 98 Chevy Metro

My Water pump is leaking and i need to replace it What is the best way to remove/install it?

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  1. Remove the negative battery cable.
  2. Drain the engine cooling system.
  3. Remove the air cleaner assembly.
  4. Remove the A/C compressor suction pipe bracket (if equipped).
  5. Loosen four water pump pulley bolts. Do not remove the bolts.
  6. Raise the vehicle. Support the vehicle. Remove the right lower splash shield.
  7. Remove the right lower splash shield.
  8. Remove the A/C compressor drive belt (if so equipped) by releasing the tensioner pulley and removing the belt from the crankshaft and compressor pulleys.
  9. Loosen the generator adjusting bolt (1), pivot the generator and remove the water pump/generator drive belt.
  10. Remove the crankshaft pulley.
  11. Remove the water pump pulley (four bolts).
  12. Remove the timing belt.
  13. Remove the oil level indicator (dipstick) guide tube.
  14. Remove the upper generator adjusting bracket from the water pump (one bolt).

    1. Remove the rubber seals from the water pump.
    2. Remove the water pump mounting bolts and nuts.
    3. Remove the water pump and gasket from the vehicle.
    4. Clean the water pump and the gasket mating surfaces.
    5. Install the water pump.
    6. Secure the water pump with mounting nuts and bolts. Tighten Tighten the water pump mounting nuts and bolts to 13 Nm (115 ft. lbs.).
    7. Install new rubber seals (1) to the water pump (2).
    8. Install the upper generator adjusting bracket to the water pump (one bolt).
        • Tighten the upper generator mounting bracket bolt to 23 Nm (17 ft. lbs.).
      1. Install the oil level indicator (dipstick) guide tube.
      2. Install the timing belt.
      3. Install the water pump pulley.
      4. Finger-tighten the four bolts.
      5. Install the crankshaft pulley.
      6. Install the water pump/generator drive belt to the crankshaft, water pump and generator pulleys.

Posted on Aug 27, 2009

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This is probably the easiest water pump of all vehicles to change.


c0ebf96b-78f3-4862-ba77-ee445584a574.gif

Water Pump Replacement

Removal Procedure



  1. Drain the cooling system.
  2. Loosen the water pump pulley bolts.
  3. Remove the drive belt.
  4. Remove the water pump pulley bolts and pulley.


  1. Remove the water pump bolts, pump, and gasket.
  2. Clean the water pump mating surfaces.
Installation Procedure



  1. Install the water pump gasket and pump (1).
Notice: Refer to Fastener Notice in Service Precautions.

  1. Install the water pump bolts.
    • Tighten the bolts to 10 Nm (89 inch lbs.) .


  1. Install the water pump pulley and bolt until snug.
  2. Install the drive belt
  3. Install the water pump pulley bolts.
    • Tighten the bolts to 25 Nm (18 ft. lbs.) .
  1. Fill the cooling system
  2. Inspect for leaks.

Aug 18, 2013 | Cars & Trucks

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Replacing the water pump on 96 chevy S10,


Water Pump Removal & Installation 2.2L Engine To Remove:
  1. Drain the cooling system.
  2. Remove fan assembly.
  3. Loosen the water pump pulley bolts.
  4. Remove or disconnect the following:
    • Drive belt gm-03-22-606.gif

    • Water pump drive pulley bolts
    • Water pump drive pulley
    • Radiator inlet hose clamp and hose from the water pump
    • Water pump mounting bolts gm-03-22-605.gif

    • Water pump
    • Water pump gasket
    gm-03-22-607.gif

To Install:
  1. Clean the mating surfaces.
  2. Install or connect the following:
    • Water pump gasket
    • Water pump Note: Apply a sealer (GM P/N 12346004) or equivalent to the bolt threads
    • Water pump mounting bolts
      1. Torque to: 18 ft lbs (25 Nm)
    • Water pump pulley and bolts
      1. Torque to: 18 ft lbs (25 Nm)
    • Radiator hose and clamp
  3. Fill with coolant.
  4. Check for leaks.
4.3L Engine To Remove:
  1. Drain the cooling system.
  2. Remove fan assembly.
  3. Loosen the water pump pulley bolts.
  4. Remove or disconnect the following:
    • Drive belt gm_truck_43_wppulley.gif

    • Water pump drive pulley bolts
    • Water pump drive pulley
    • Radiator inlet hose clamp and hose from the water pump
    • Water pump mounting bolts gm_truck_43_waterpump.gif

    • Water pump
    • Water pump gasket
gm_truck_43_waterpump_gsk.gif

To Install:
  1. Clean the mating surfaces.
  2. Install or connect the following:
    • Water pump gasket
    • Water pump Note: Apply a sealer (GM P/N 12346004) or equivalent to the bolt threads
    • Water pump mounting bolts
      1. Torque to: 30 ft lbs (41 Nm)
    • Water pump pulley and bolts
      1. Torque to: 18 ft lbs (25 Nm)
    • Radiator hose and clamp
  3. Fill with coolant.
  4. Check for leaks.
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Feb 12, 2011 | 1997 Chevrolet S-10 Pickup

1 Answer

I recently changed the alternador belt on a 2001 chevy metro lsi, afterwards whenever i start the car , there is this rattling noise and when i opened the hood to check , to the left of the alternador...


Water Pump REMOVAL & INSTALLATION Metro
  1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
  2. Drain the cooling system.
  3. Remove or disconnect the following:
    • Negative battery cable
    • Air cleaner
    • A/C compressor suction pipe bracket, if equipped
    • Loosen the water pump pulley bolts. Do not remove them at this time
    • Right side lower splash shield
    • A/C compressor drive belt
    • Lower alternator cover plate
    • Water pump/alternator drive belt
    • Crankshaft pulley
    • Water pump pulley
    • Timing belt
    • Dipstick tube
    • Upper alternator bracket from the water pump
    • Water pump and discard the gasket
    To install: Fig. 1: To ensure a tight seal, be sure gasket surfaces are properly prepared - Metro 7922z704.gif

  4. Clean the gasket mating surfaces thoroughly.
  5. Install or connect the following:
    • Water pump with new gasket. Torque the bolts to 115 inch lbs. (13 Nm).
    • New rubber seals
    • Upper alternator adjusting bracket
    • Oil dipstick tube
    • Timing belt
    • Water pump and crankshaft pulleys. Leave the water pump pulley bolts hand-tight
    • Alternator drive belt
    • Lower alternator cover plate. Torque the bolts to 89 inch lbs. (10 Nm).
    • A/C compressor drive belt, if equipped
    • Right side lower splash shield.
    • Torque the water pump pulley bolts to 18 ft. lbs. (24 Nm).
  6. Adjust the water pump drive belt tension and torque the alternator adjustment bolt to 17 ft. lbs. (23 Nm).
  7. Install or connect the following:
    • A/C compressor suction pipe bracket, if equipped
    • Air cleaner
    • Negative battery cable
  8. Refill the cooling system.
  9. Start the engine and check for leaks, repair if necessary.
Prizm 1.6L ENGINE
  1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
  2. Drain the engine coolant.
  3. Remove or disconnect the following:
    • Negative battery cable and properly support the engine
    • Right side engine mount and support
    • Upper and middle timing belt covers
  4. If equipped with power steering remove the following components:
    • Front transmission mount
    • Radiator fan motor
    • Coolant reservoir
    • Upper radiator hose
  5. Remove or disconnect the following:
    • Crankshaft Position (CKP) sensor electrical connector from the dipstick tube
    • Dipstick tube
    • Engine Coolant Temperature (ECT) sending unit
    • Coolant inlet pipe
    • Water pump and discard the O-ring Fig. 2: Remove the coolant inlet pipe from the block, then the pump - Prizm 7922z705.gif
    To install:
  6. Install or connect the following:
    • New O-ring and Water pump. Torque the bolts to 10 ft. lbs. (14 Nm).
    • Coolant hose to the pump
    • Coolant inlet pipe. Torque the fastener to 11 ft. lbs. (15 Nm).
    • Dipstick tube. Torque the bolt to 89 inch lbs. (10 Nm).
    • ECT sending unit to the dipstick tube
    • Engine wire harness. Torque the bolt to 89 inch lbs. (10 Nm).
    • Radiator fan. Torque the bolts to 52 inch lbs. (6 Nm).
    • Upper radiator hose
    • Coolant reservoir
    • Front transmission mount. Torque the bolt to 47 ft. lbs. (64 Nm).
    • Upper and middle timing belt covers. Torque the bolts to 62 inch lbs. (7 Nm).
    • Right side transmission mount and insulator. Torque the bolt to 47 ft. lbs. (64 Nm).
    • Negative battery cable
  7. Fill the cooling system.
  8. Start the vehicle and check for leaks, repair if necessary.
1.8L ENGINE
  1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
  2. Drain the engine coolant.
  3. Remove or disconnect the following:
    • Negative battery cable
    • Drive belt
    • Right side lower splash shield
    • Water pump and discard the O-ring
    To install:
  4. Install or connect the following:
    • New O-ring and water pump. Torque the bolts to 8 ft. lbs. (11 Nm).
    • Right side lower splash shield
    • Drive belt
    • Negative battery cable
  5. Fill the cooling system.
  6. Start the vehicle and check for leaks, repair if necessary.
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Jan 02, 2011 | Chevrolet Metro Cars & Trucks

1 Answer

How do i take off the old water pump on 1996 geo metro 4 cyl?


Removal & Installation
  1. Disconnect the negative battery cable.
  2. Drain the cooling system.
  3. Remove the air cleaner.
  4. Remove the suction pipe bracket for the A/C compressor, if equipped.
  5. Loosen but do not remove the 4 water pump pulley bolts.
  6. Raise and safely support the vehicle.
  7. Remove the lower splash shield.
  8. Remove the A/C compressor drive belt, if equipped.
  9. Remove the alternator drive belt.
  10. Remove the crankshaft and water pump pulleys.
  11. Remove the timing belt.
  12. Remove the oil level dipstick and tube.
  13. Remove the alternator adjusting bracket from the water pump.
  14. Remove the water pump rubber seals.
  15. Remove the water pump mounting bolts and nuts and remove the water pump from the engine.


ae1b66e.gif
Water pump mounting location

  1. Clean the gasket mating surfaces thoroughly.
  2. Check the water pump by hand for smooth operation. If the pump does not operate smoothly or is noisy, replace it.
  3. Install the pump using a new gasket. Tighten the bolts to 115 inch lbs. (13 Nm).
  4. Install new rubber seals.
  5. Install the upper alternator adjusting bracket and tighten the bolt to 17 ft. lbs. (23 Nm).
  6. Install the oil level dipstick and tube.
  7. Install the timing belt.
  8. Install the water pump and crankshaft pulleys. Leave the water pump pulley bolts hand-tight.
  9. Install the alternator drive belt.
  10. Install the lower alternator cover plate and tighten the bolts to 89 inch lbs. (10 Nm).
  11. Install the A/C compressor drive belt, if equipped.
  12. Install the lower splash shield and lower the vehicle.
  13. Tighten the water pump pulley mounting bolts to 18 ft. lbs. (24 Nm).
  14. Adjust the water pump drive belt tension and tighten the alternator adjustment bolt to 17 ft. lbs. (23 Nm).
  15. Install the suction pipe bracket for the A/C compressor, if equipped.
  16. Install the air cleaner.
  17. Refill the cooling system.
  18. Connect the negative battery cable.
  19. Start the engine and check for leaks.


83667f6.gif Water pump assembly showing rubber seal location


  1. Disconnect the negative battery cable.
  2. Drain the cooling system.

    CAUTION When draining the coolant, keep in mind that cats and dogs are attracted by the ethylene glycol antifreeze, and are quite likely to drink any that is left in an uncovered container or in puddles on the ground. This will prove fatal in sufficient quantity. Always drain the coolant into a sealable container. Coolant should be reused unless it is contaminated or several years old.

  3. Remove the air cleaner assembly.
  4. Loosen but do not remove the four coolant pump pulley bolts.
  5. Raise and support the vehicle safely.
  6. Remove the lower splash shield.
  7. Remove the air conditioner compressor drive belt.
  8. Remove the lower alternator cover plate bolts, loosen the alternator adjusting bolt, and remove the drive belt.
  9. Remove the crankshaft pulley.
  10. Remove the coolant pump pulley.
  11. Remove the timing belt.
  12. Remove the oil level dipstick and guide tube.
  13. Remove the alternator adjusting bracket from the water pump.
  14. Remove the water pump rubber seals.
  15. Remove the water pump mounting bolts and nuts. Remove the water pump from the vehicle.
To install:
  1. Clean the gasket mating surfaces thoroughly.
  2. Check the water pump by hand for smooth operation. If the pump does not operate smoothly or is noisy, replace it.
  3. Install the pump using a new gasket. Tighten bolts to 115 inch lbs. (13 Nm).
  4. Install new rubber seals.
  5. Install the upper alternator adjusting bracket and tighten bolt to 17 ft. lbs. (23 Nm).
  6. Install the oil level dipstick and guide tube.
  7. Install the timing belt.
  8. Install the water pump pulley and leave the bolts hand tight.
  9. Install the crankshaft pulley.
  10. Install the water pump/alternator drive belt.
  11. Install the lower alternator cover plate and tighten bolts to 89 inch lbs. (10 Nm).
  12. Install the air conditioner compressor drive belt by releasing the tensioner pulley and installing belt.
  13. Install the lower splash shield and lower vehicle.
  14. Tighten water pump pulley mounting bolts to 18 ft. lbs. (24 Nm).
  15. Adjust the water pump drive belt tension and tighten alternator adjustment bolt to 17 ft. lbs. (23 Nm).
  16. Install the air cleaner assembly.
  17. Refill the cooling system.
  18. Connect the negative battery cable.
  19. Start the engine and allow it to reach operating temperature. Check for leaks and refill cooling system as necessary.

Mar 06, 2010 | 1996 Geo Metro

1 Answer

My chevy metro 98 1.3L starts perfect but it does


can be a number of things from fuel pump to coil pack but check the egr valve may be starting to go -remove and check for carbon build up if not fully encrusted use a carb/or a carbon cleaning solution to clean and free up valve--most problems give a code but -fuel pump-filter-air filter dont and egr will sometimes set off other sensors but usually doesnt until its to late

Dec 10, 2009 | 1998 Chevrolet Metro

2 Answers

Need a diagram of water coolant including freeze plugs . I am leaking antifreeze and have replaced pump, therm already. It seems to be coming around the timing cover


timing cover?? take it off again and check the pump.Did you clean the old gasket off properly??was it a new pump in a box?? could pump be faulty manufacture

Nov 05, 2009 | 1998 Chevrolet K1500

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Need to replace water pump on a1997 chevy lumina 3.1L V6 need insructions


3.1L And 3.4L (VIN E) Engines
  1. Disconnect the negative battery cable.
  2. Partially drain the cooling system into a suitable container.
  3. Remove the drive belt guard.
  4. Loosen the water pump pulley bolts before removing the drive belt. This should help keep the pulley from turning as the bolts are loosened.
  5. Remove the drive belt. Please see Section 1.
  6. Remove the water pump pulley bolts and remove the pulley.
  7. Remove the water pump bolts and separate the pump from the engine front cover.
To install:

b604dca.gif
Exploded view of the water pump and front cover arrangement—3.1L and 3.4L (VIN E) engines


  1. Clean all parts well. Use care when scraping gasket material from the front cover and the pump. Do not gouge aluminum parts. Clean the bolt threads well. The torque specification is low and if the bolt threads are dirty, an accurate torque is not possible and leaks are likely to develop.
  2. Using a new gasket, install the water pump to the front cover. Install the cleaned and lightly lubricated water pump bolts. Torque to 89 inch lbs. (10 Nm).
  3. Install the water pump pulley and bolts and torque to 18 ft. lbs. (25 Nm).
  4. Install the remaining components in the reverse order of the removal process. When refilling the cooling system, use the proper mix of DEX-COOL® and water. Check for leaks.

Oct 13, 2009 | 1997 Chevrolet Lumina

2 Answers

How to change water pump in 1996 geo metro?


I've found the Haynes Repair Manual that you can get at Auto Zone to be the best one there is. They have step by step instructions with pictures on repairing or replacing just about anything on your auto. You can get them for around $20 - 25. Is yours a 3 or 4 cylinder? Auto Zone has a new service where you can actually look up repair instructions for your vehicle with pictures. Here's the instructions for a 3 cylinder for your year, make and model:
  1. Disconnect the negative battery cable.
  2. Drain the cooling system.
CAUTIONWhen draining the coolant, keep in mind that cats and dogs are attracted by the ethylene glycol antifreeze, and are quite likely to drink any that is left in an uncovered container or in puddles on the ground. This will prove fatal in sufficient quantity. Always drain the coolant into a sealable container. Coolant should be reused unless it is contaminated or several years old.
  1. Remove the air cleaner assembly.
  2. Loosen but do not remove the four coolant pump pulley bolts.
  3. Raise and support the vehicle safely.
  4. Remove the lower splash shield.
  5. Remove the air conditioner compressor drive belt.
  6. Remove the lower alternator cover plate bolts, loosen the alternator adjusting bolt and remove the drive belt.
  7. Remove the crankshaft pulley.
  8. Remove the coolant pump pulley.
  9. Remove the timing belt.
  10. Remove the oil level dipstick and guide tube.
  11. Remove the alternator adjusting bracket from the water pump.
  12. Remove the water pump rubber seals.
  13. Remove the water pump mounting bolts and nuts. Remove the water pump from the vehicle.
To install:
  1. Clean the gasket mating surfaces thoroughly.
  2. Check the water pump by hand for smooth operation. If the pump does not operate smoothly or is noisy, replace it.
  3. Install the pump using a new gasket. Tighten bolts to 115 inch lbs.. (13 Nm).
  4. Install new rubber seals.
  5. Install the upper alternator adjusting bracket and tighten bolt to 17 ft. lbs.. (23 Nm).
  6. Install the oil level dipstick and guide tube.
  7. Install the timing belt.
  8. Install the water pump pulley and leave the bolts hand tight.
  9. Install the crankshaft pulley.
  10. Install the water pump/alternator drive belt.
  11. Install the lower alternator cover plate and tighten bolts to 89 inch lbs.. (10 Nm).
  12. Install the air conditioner compressor drive belt by releasing the tensioner pulley and installing belt.
  13. Install the lower splash shield and lower vehicle.
  14. Tighten water pump pulley mounting bolts to 18 ft. lbs.. (24 Nm).
  15. Adjust the water pump drive belt tension and tighten alternator adjustment bolt to 17 ft. lbs.. (23 Nm).
  16. Install the air cleaner assembly.
  17. Refill the cooling system.
  18. Connect the negative battery cable.
  19. Start the engine and allow it to reach operating temperature. Check for leaks and refill cooling system as necessary.

Jul 17, 2008 | 1996 Geo Metro

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