Acura Coupes and Sedans 1994-2000 Repair Information

Water Pump

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REMOVAL & INSTALLATION



The radio may have a coded theft protection circuit. Make sure you have the code before disconnecting the battery, removing the radio fuse, or removing the radio.

1.8L Engines

  1. Disconnect the negative battery cable.
  2.  
  3. If applicable, remove the front under panel.
  4.  
  5. Gradually release the system pressure by slowly and carefully removing the radiator cap. Be sure to protect your hands with gloves or a shop rag.
  6.  
  7. Drain the engine coolant into a sealable container.
  8.  
  9. Remove the timing belt from the engine.
  10.  
  11. Remove the camshaft pulleys and remove the back cover.
  12.  
  13. Unfasten the five water pump mounting bolts, then remove the water pump.
  14.  
  15. Remove and discard the old O-ring.
  16.  
  17. Remove the dowel pins from the oil water pump.
  18.  
  19. Clean the O-ring groove and the water pump mounting surface on the engine.
  20.  

To install:
  1. Install the dowel pins to the new water pump.
  2.  
  3. Position a new O-ring to the new water pump, Apply a small amount of sealant to the O-ring to hold it in position.
  4.  
  5. Place the new water pump on the engine and install the mounting bolts. Tighten the mounting bolts to 104 inch lbs. (12 Nm).
  6.  
  7. Install the back cover and the camshaft pulleys.
  8.  
  9. Install the timing belt.
  10.  
  11. Fill the engine with coolant and bleed the air from the cooling system.
  12.  
  13. Connect the negative battery cable and enter the radio security code.
  14.  
  15. Run the engine and check for cooling system leaks.
  16.  

2.2L, 2.3L, 2.5L, 3.0L, 3.2L and 3.5L Engines

Perform this service operation with the engine cold.

  1. Disconnect the negative battery cable.
  2.  
  3. Remove the front splash panel and release the system pressure by slowly removing the radiator cap.
  4.  
  5. Drain the cooling system.
  6.  
  7. Remove the timing belt. Inspect the timing belt for any signs of damage or oil and coolant contamination. Replace the timing belt if there is any doubt about its condition.
  8.  
  9. On 1996-97 3.2 TL and 1996-00 3.5 RL models, remove the left camshaft pulley and back cover.
  10.  
  11. On 1997-00 3.0 CL models and 1999-00 3.2 TL models, remove the timing belt tensioner.
  12.  
  13. Remove the water pump bolts. Then, remove the water pump and sprocket assembly from the engine block. Remove the O-rings from the water passage.
  14.  

See Figure 1

Click image to see an enlarged view

Fig. Fig. 1: Water pump mounting and bolt torque specifications-3.5L engine shown

To install:
  1. Before installation, be sure all gasket and O-ring groove surfaces are clean.
  2.  
  3. Install the water pump with a new O-ring. Use new bolts and tighten the 6mm mounting bolts evenly to 104 inch lbs. (12 Nm) and the 8mm bolts to 16 ft. lbs. (22 Nm).
  4.  
  5. If removed, install the timing belt rear cover and camshaft pulley.
  6.  
  7. If removed, install the timing belt tensioner.
  8.  
  9. Install the timing belt and timing belt covers.
  10.  
  11. Install and adjust the tension of the accessory drive belts.
  12.  
  13. Close the cooling system drain plug. Refill and bleed the cooling system.
  14.  
  15. Connect the negative battery cable.
  16.  
  17. Start the engine, allow it to reach normal operating temperature, check for leaks, and top off as necessary.
  18.  
  19. Enter the radio security code.
  20.  

 
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