Question about 1988 Subaru GL-10

1 Answer

Water pump The water pump has been leaking. How do I take it out? So far I have removed the alternator and I am trying to remove the airconditioning unit. I have no manual.

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  • Anonymous May 11, 2010

    dont remove any pipes from the air con unit as the gas is VERY poisonous. you need to get a qualified person to remove the gas out of the system first.



    is the water pump belt driven?

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  • Master
  • 563 Answers

Sorry, I just threw out an '88 Subaru manual over the weekend. I have owed the same car before. I think the water-pump is in the front of the engine. Unless absolutely necessary, you don't have to take out the A/C unit. You could take out the radiator/hoses to give more room, then take out the water-pump. Remember: first-out....last-in. !

Posted on Nov 04, 2009

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Water pump is leaking, how do I replace it?


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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.

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How do i get to the water pump on a 1998 nissan altima


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  1. Remove coolant
  2. loosen off alternator belt tension
  3. loosen off power steering pump tension if applicable
  4. Same with AC if needed
  5. remove fan hub bolts
  6. remove belts shared by water pump pulley
  7. remove hoses from water pump
  8. remove heater core hose from water pump
  9. remove alternator support bracket bolt thru water pump housing
  10. remove power steering bracket support bolt if applicable
  11. remove AC bracket support bolts if applicable.
  12. Now remove water pump housing to block bolts(remember sequence)
  13. using a pry bar or large screw driver, gently pry the water pump until it releases from the block
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  16. then re-install water pump and install bolts as they came out(some are longer than others)
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  18. fill system with new coolant
  19. start vehicle and test for leaks before driving anywhere(make sure you have a drop pan under the vehicle
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You probably need to replace the head gasket.

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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.

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